<script data-pm-proxy="intercept"></script><?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:googleplay="http://www.google.com/schemas/play-podcasts/1.0"><channel><title><![CDATA[Boletim MB 📩]]></title><description><![CDATA[A medicina atualizada na palma da sua mão. 📩]]></description><link>https://boletimmb.substack.com</link><image><url>https://substackcdn.com/image/fetch/$s_!attH!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png</url><title>Boletim MB 📩</title><link>https://boletimmb.substack.com</link></image><generator>Substack</generator><lastBuildDate>Thu, 03 Sep 2026 20:09:53 GMT</lastBuildDate><atom:link href="/__u/boletimmb.substack.com/feed" rel="self" type="application/rss+xml"/><copyright><![CDATA[Boletim MB]]></copyright><language><![CDATA[pt-br]]></language><webMaster><![CDATA[boletimmb@substack.com]]></webMaster><itunes:owner><itunes:email><![CDATA[boletimmb@substack.com]]></itunes:email><itunes:name><![CDATA[Boletim MB]]></itunes:name></itunes:owner><itunes:author><![CDATA[Boletim MB]]></itunes:author><googleplay:owner><![CDATA[boletimmb@substack.com]]></googleplay:owner><googleplay:email><![CDATA[boletimmb@substack.com]]></googleplay:email><googleplay:author><![CDATA[Boletim MB]]></googleplay:author><itunes:block><![CDATA[Yes]]></itunes:block><item><title><![CDATA[Boletim #31 · Anticoagular fibrilação atrial de risco intermediário compensa?]]></title><description><![CDATA[209 trials triados &#183; 34 especialidades &#183; 13 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-31-anticoagular-fibrilacao</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-31-anticoagular-fibrilacao</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 29 Aug 2026 17:42:39 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!0xRX!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8cf80480-51ed-4e82-90e9-37a0bf290c76_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="444" height="232.40625" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:444,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Boletim MB&quot;,&quot;title&quot;:&quot;Boletim MB&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Boletim MB" title="Boletim MB" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p><span>&#128300; Os trials que importam pra sua pr&#225;tica e pesquisa</span><br><span>&#127942; Curadoria de +700 journals em +35 especialidades</span><br><span>&#129504; Resumo + ideia de meta-an&#225;lise pronta em 2 minutos de leitura</span><br><span>&#128101;+5000 m&#233;dicos e estudantes se atualizam com o Boletim MB</span></p><p>Os principais destaques da semana est&#227;o ao final.</p><p><span>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB: </span><a href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916">Como funciona o Boletim MB</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!boNM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!boNM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Neurologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Neurologia" title="Neurologia" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42636845/">Safety, tolerability, and efficacy of alixorexton, a selective orexin 2 receptor agonist for narcolepsy type 1 (Vibrance-1): a randomised, double-blind, placebo-controlled, phase 2 trial.</a></strong></h3><p><strong>Journal:</strong> The Lancet. Neurology (2026 Aug)</p><p>Em adultos de 18 a 70 anos com narcolepsia tipo 1 <strong>(P)</strong>, alixorexton oral uma vez ao dia nas doses de 4, 6 ou 8 mg <strong>(I)</strong>, comparado a placebo <strong>(C)</strong>, aumentou a lat&#234;ncia m&#233;dia de sono no Teste de Manuten&#231;&#227;o da Vig&#237;lia em 6 semanas <strong>(O)</strong> (diferen&#231;a corrigida pelo placebo de 26,0 minutos na dose de 8 mg; IC 95% 21,0-31,0; p &lt; 0,0001). Houve tamb&#233;m melhora de sonol&#234;ncia diurna excessiva e cataplexia. Os eventos adversos mais frequentes foram polaci&#250;ria, ins&#244;nia e sialorreia, compat&#237;veis com o efeito de classe dos agonistas de receptor de orexina 2.</p><p><strong>Metodologia:</strong> RCT de fase 2, randomizado 1:1:1:1 em blocos, duplo-cego, controlado por placebo, em 46 centros nos Estados Unidos, Europa e Austr&#225;lia, com extens&#227;o aberta opcional de 7 semanas (Vibrance-1) | <strong>N:</strong> 92</p><p>&#128161; <strong>Insight:</strong> &#201; prov&#225;vel que existam outros trials de fase 2 investigando agonistas de receptor de orexina 2 na narcolepsia tipo 1, como oveporexton e danavorexton. Uma meta-an&#225;lise seria altamente relevante para agrupar esses dados e comparar a magnitude do ganho de lat&#234;ncia de sono e o perfil de eventos adversos de classe entre as mol&#233;culas.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42636845">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42647766/">EOAD-Signature Atrophy Predicts Dementia in Early-Onset MCI due to Alzheimer Disease: An MRI-Based Prognostic Biomarker.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Oct)</p><p>Em pacientes de 40 a 64 anos com comprometimento cognitivo leve por doen&#231;a de Alzheimer de in&#237;cio precoce <strong>(P)</strong>, maior atrofia cortical basal nas regi&#245;es da assinatura da doen&#231;a de in&#237;cio precoce <strong>(I)</strong>, comparada a menor atrofia <strong>(C)</strong>, predisse progress&#227;o mais r&#225;pida para dem&#234;ncia <strong>(O)</strong> (raz&#227;o de risco 1,24 por desvio-padr&#227;o de atrofia; IC 95% 1,13-1,37; p &lt; 0,002). Acrescentar a atrofia a um modelo com a gravidade cl&#237;nica basal melhorou significativamente o ajuste do modelo.</p><p><strong>Metodologia:</strong> Estudo de coorte de hist&#243;ria natural multic&#234;ntrico com avalia&#231;&#227;o cl&#237;nica padronizada e resson&#226;ncia estrutural basal, modelos de Cox e compara&#231;&#227;o de modelos por AIC e raz&#227;o de verossimilhan&#231;a | <strong>N:</strong> 130 pacientes e 97 controles cognitivamente normais</p><p>&#128161; <strong>Insight:</strong> &#201; prov&#225;vel que existam outras coortes com marcadores estruturais de resson&#226;ncia predizendo convers&#227;o para dem&#234;ncia, quase todas em doen&#231;a de in&#237;cio tardio. Um pool que inclua as de in&#237;cio precoce testaria a idade de in&#237;cio como modificadora do valor progn&#243;stico da atrofia parieto-temporal.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42647766">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42640334/">Nociceptive pain in late-onset Pompe disease: prevalence, distribution, and clinical correlates.</a></strong></h3><p><strong>Journal:</strong> Journal of neurology (2026 Aug)</p><p>Em pacientes com doen&#231;a de Pompe de in&#237;cio tardio <strong>(P)</strong>, a preval&#234;ncia de dor musculoesquel&#233;tica cr&#244;nica <strong>(I)</strong>, comparada &#224; de controles com outras doen&#231;as neuromusculares <strong>(C)</strong>, foi maior <strong>(O)</strong> (83,3%; p = 0,005), enquanto a dor relatada no dia da avalia&#231;&#227;o foi significativamente menor (30,9%; p &lt; 0,001). N&#227;o houve associa&#231;&#227;o da dor com for&#231;a muscular, testes de fun&#231;&#227;o motora, altera&#231;&#245;es musculares ao ultrassom, polimorfismos de ACE e ACTN3 ou par&#226;metros laboratoriais. A discrep&#226;ncia entre hist&#243;ria de dor cr&#244;nica e relato pontual sugere que a dor &#233; um dom&#237;nio cl&#237;nico independente.</p><p><strong>Metodologia:</strong> Estudo transversal multic&#234;ntrico com question&#225;rios validados, desenhos de dor, testes de fun&#231;&#227;o motora, limiares de dor &#224; press&#227;o, ultrassom muscular e genotipagem | <strong>N:</strong> 42 pacientes e 61 controles com outras doen&#231;as neuromusculares</p><p>&#128161; <strong>Insight:</strong> O tema da dor nociceptiva na doen&#231;a de Pompe de in&#237;cio tardio parece pouco estudado e restrito a poucas coortes. Uma revis&#227;o sistem&#225;tica poderia catalogar os instrumentos de dor usados nas doen&#231;as neuromusculares raras e a janela de recorda&#231;&#227;o adotada, quest&#227;o central diante da discrep&#226;ncia entre dor cr&#244;nica e dor pontual aqui observada.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42640334">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/42657756/">Clinical Variability and Genotype-Driven Outcomes in CHRND-Related Congenital Myasthenic Syndrome.</a></strong></h3><p><strong>Journal:</strong> European journal of neurology (2026 Sep)</p><p>Em pacientes com s&#237;ndrome miast&#234;nica cong&#234;nita por variantes em CHRND <strong>(P)</strong>, gen&#243;tipos com alelo nulo ou variante missense em homozigose <strong>(I)</strong>, comparados a heterozigose composta de variantes missense <strong>(C)</strong>, tenderam a se associar a fen&#243;tipos mais graves <strong>(O)</strong>, enquanto o segundo grupo teve espectro mais amplo e geralmente mais leve, &#224;s vezes limitado a sintomas oculares. Ptose e oftalmoparesia estavam presentes em todos os pacientes, e o desfecho de longo prazo variou de sintomas m&#237;nimos sob tratamento a comprometimento motor grave com insufici&#234;ncia respirat&#243;ria.</p><p><strong>Metodologia:</strong> Estudo retrospectivo multic&#234;ntrico em centros neuromusculares especializados, com coleta sistem&#225;tica de dados cl&#237;nicos, eletrofisiol&#243;gicos, gen&#233;ticos e terap&#234;uticos e seguimento de 22 a 43 anos em tr&#234;s casos | <strong>N:</strong> 9</p><p>&#128161; <strong>Insight:</strong> O tema das correla&#231;&#245;es gen&#243;tipo-fen&#243;tipo na s&#237;ndrome miast&#234;nica cong&#234;nita por CHRND parece restrito a s&#233;ries muito pequenas por se tratar de doen&#231;a rara. Uma revis&#227;o sistem&#225;tica de casos publicados seria o desenho vi&#225;vel para agrupar esses dados e testar a hip&#243;tese de que a presen&#231;a de alelo nulo prediz gravidade, hoje sustentada por nove pacientes.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42657756">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>5. <a href="https://pubmed.ncbi.nlm.nih.gov/42664474/">Pregnancy Exposure to Anti-CD20 Monoclonal Antibodies in Patients With Multiple Sclerosis: Results From an Italian Multicenter Registry Study.</a></strong></h3><p><strong>Journal:</strong> Neurology(R) neuroimmunology &amp; neuroinflammation (2026 Nov)</p><p>Em mulheres com esclerose m&#250;ltipla tratadas com anticorpos anti-CD20 antes ou durante a gesta&#231;&#227;o <strong>(P)</strong>, gesta&#231;&#245;es classificadas como expostas pelo intervalo desde a &#250;ltima infus&#227;o <strong>(I)</strong>, comparadas &#224;s n&#227;o expostas <strong>(C)</strong>, tiveram maior propor&#231;&#227;o de abortamento espont&#226;neo <strong>(O)</strong> (20,6% vs 7,1%; p = 0,014), ainda que em valores semelhantes aos da popula&#231;&#227;o geral. N&#227;o houve natimortos nem &#243;bitos neonatais, e foram relatadas apenas uma infec&#231;&#227;o perinatal grave e duas malforma&#231;&#245;es cong&#234;nitas maiores. A taxa anualizada de surtos permaneceu est&#225;vel na gesta&#231;&#227;o e caiu no grupo exposto no per&#237;odo p&#243;s-gestacional.</p><p><strong>Metodologia:</strong> Estudo observacional de registro multic&#234;ntrico italiano em 27 centros, com classifica&#231;&#227;o de exposi&#231;&#227;o baseada na farmacocin&#233;tica de cada droga e no momento da transfer&#234;ncia placent&#225;ria de imunoglobulinas (CD20-PREGNANCY) | <strong>N:</strong> 153 gesta&#231;&#245;es (68 expostas e 85 n&#227;o expostas)</p><p>&#128161; <strong>Insight:</strong> &#201; prov&#225;vel que existam outros registros nacionais investigando exposi&#231;&#227;o gestacional a anticorpos anti-CD20 na esclerose m&#250;ltipla. Uma meta-an&#225;lise seria altamente relevante para agrupar esses dados e ganhar poder para abortamento espont&#226;neo e malforma&#231;&#245;es, desfechos que registros isolados desse porte n&#227;o conseguem estimar com precis&#227;o.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42664474">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>6. <a href="https://pubmed.ncbi.nlm.nih.gov/42661018/">Long-term patient-reported neurocognitive and functional outcomes after tick-borne encephalitis: a prospective controlled multicenter cohort study.</a></strong></h3><p><strong>Journal:</strong> Journal of neurology (2026 Aug)</p><p>Em pacientes hospitalizados por encefalite transmitida por carrapato <strong>(P)</strong>, os sintomas cognitivos autorrelatados em 12 meses <strong>(I)</strong>, comparados aos de controles <strong>(C)</strong>, permaneceram dentro da faixa normal mas foram piores em mem&#243;ria cotidiana e sintomas p&#243;s-concussivos <strong>(O)</strong> (p &lt; 0,001), diferen&#231;as que persistiram ap&#243;s ajuste para ansiedade e depress&#227;o. N&#227;o houve mudan&#231;a significativa entre 3 e 12 meses. Comprometimento clinicamente significativo foi mais frequente nos pacientes, com raz&#245;es de chances entre 2,29 e 8,19, concentrado em quem teve doen&#231;a aguda mais grave e comorbidades.</p><p><strong>Metodologia:</strong> Estudo de coorte prospectivo controlado multic&#234;ntrico na Noruega, com question&#225;rios validados de fun&#231;&#227;o executiva, mem&#243;ria e sintomas p&#243;s-concussivos aplicados aos 3 e 12 meses | <strong>N:</strong> 109 pacientes</p><p>&#128161; <strong>Insight:</strong> &#201; prov&#225;vel que existam outras coortes investigando desfechos cognitivos de longo prazo ap&#243;s encefalites virais. Uma meta-an&#225;lise seria relevante para agrupar esses dados e estimar a propor&#231;&#227;o com comprometimento persistente, identificando os preditores de m&#225; evolu&#231;&#227;o que justificariam seguimento estruturado.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42661018">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>7. <a href="https://pubmed.ncbi.nlm.nih.gov/42640350/">Demographics, risk factor profiles and etiologies in young ischemic and hemorrhagic stroke - the United Kingdom Young Stroke Study (UKYSS).</a></strong></h3><p><strong>Journal:</strong> Journal of neurology (2026 Aug)</p><p>Em adultos jovens com primeiro AVC no Reino Unido <strong>(P)</strong>, a caracteriza&#231;&#227;o etiol&#243;gica e de fatores de risco <strong>(I)</strong>, estratificada por sexo, idade, etnia e tipo de AVC <strong>(C)</strong>, mostrou que metade dos AVCs isqu&#234;micos permaneceu criptog&#234;nica <strong>(O)</strong> (50,8%) e 38,1% eram hipertensivos. Homens tinham mais hipertens&#227;o, dislipidemia e uso excessivo de &#225;lcool, e mulheres mais enxaqueca e neoplasia ativa. Apenas 13,4% receberam tromb&#243;lise intravenosa e 5% trombectomia mec&#226;nica; nos AVCs hemorr&#225;gicos, a hipertens&#227;o foi o fator de risco e a etiologia mais comuns.</p><p><strong>Metodologia:</strong> Estudo observacional ambispectivo multic&#234;ntrico em oito centros do Reino Unido, com an&#225;lise da coorte total e por subgrupos (UKYSS) | <strong>N:</strong> 1.765</p><p>&#128161; <strong>Insight:</strong> &#201; prov&#225;vel que existam outras coortes multic&#234;ntricas de AVC no jovem com perfis etiol&#243;gicos distintos. Reuni-las estimaria a propor&#231;&#227;o criptog&#234;nica em fun&#231;&#227;o da profundidade da investiga&#231;&#227;o, que &#233; a principal fonte de heterogeneidade entre centros e explica boa parte dos 50,8% daqui.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42640350">&#128270; Ver estudos semelhantes no PubMed</a></p>
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #30 · Plaqueta refrigerada por 21 dias segura o sangramento na cirurgia cardíaca?]]></title><description><![CDATA[322 trials triados &#183; 36 especialidades &#183; 15 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-30-plaqueta-refrigerada-por</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-30-plaqueta-refrigerada-por</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sun, 23 Aug 2026 00:24:20 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!gMfj!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6767385d-c4b6-4a1d-9c8d-20c89764b58a_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="444" height="232.40625" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:444,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Boletim MB&quot;,&quot;title&quot;:&quot;Boletim MB&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Boletim MB" title="Boletim MB" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p>&#128300; Os trials que importam pra sua pr&#225;tica e pesquisa<br>&#127942; Curadoria de +700 journals em +35 especialidades<br>&#129504; Resumo + ideia de meta-an&#225;lise pronta em 2 minutos de leitura<br>&#128101;+5000 m&#233;dicos e estudantes se atualizam com o Boletim MB</p><p>Os principais destaques da semana est&#227;o ao final.</p><p>&#128073; Novo por aqui? 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   ]]></content:encoded></item><item><title><![CDATA[Boletim #29 · HIV: Islatravir-lenacapavir semanal substitui o diário?]]></title><description><![CDATA[94 trials triados &#183; 25 especialidades &#183; 15 destaques]]></description><link>https://boletimmb.substack.com/p/hiv-islatravir-lenacapavir-semanal</link><guid isPermaLink="false">https://boletimmb.substack.com/p/hiv-islatravir-lenacapavir-semanal</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sun, 16 Aug 2026 08:57:53 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!fjtZ!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb33de9c9-320d-4c6a-94c4-b5d7af4e6b54_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" 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/__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><blockquote><p>&#128300; Os trials que importam pra sua pr&#225;tica e pesquisa</p><p>&#127942; Curadoria de +400 journals em +35 especialidades, toda semana</p><p>&#129504; Resumo + ideia de meta-an&#225;lise pronta em 2 minutos de leitura</p><p>&#128101;+4000 m&#233;dicos e estudantes se atualizam com o Boletim MB</p></blockquote><p>Os principais destaques da semana est&#227;o ao final.</p><p><span>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB: </span><a href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916">Como funciona o Boletim MB</a></p><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!boNM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!boNM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Neurologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Neurologia" title="Neurologia" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42585603/">Individualized vs Standard Blood Pressure Control During Thrombectomy for Ischemic Stroke: The DETERMINE Randomized Clinical Trial.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Sep)</p><p>No <strong>DETERMINE trial, pacientes com AVC isqu&#234;mico agudo por oclus&#227;o de grande vaso anterior submetidos &#224; trombectomia mec&#226;nica (P)</strong> n&#227;o apresentaram melhora no <strong>desfecho funcional favor&#225;vel em 90 dias (O)</strong> com o <strong>controle individualizado da press&#227;o arterial (PA) durante o procedimento (I)</strong> em compara&#231;&#227;o com o <strong>controle padr&#227;o (C)</strong>. A abordagem individualizada n&#227;o demonstrou benef&#237;cio adicional em termos de efic&#225;cia ou seguran&#231;a.</p><p><strong>Metodologia:</strong> Ensaio Cl&#237;nico Randomizado (RCT) multic&#234;ntrico, aberto, com desfecho cego. | <strong>N:</strong> 433</p><p>&#128161; <strong>Insight:</strong> &#201; prov&#225;vel que existam outros RCTs ou estudos observacionais investigando alvos de PA durante trombectomia. Este trial &#233; um forte candidato para inclus&#227;o em meta-an&#225;lises que comparem diferentes estrat&#233;gias de manejo de PA para otimizar desfechos ap&#243;s trombectomia.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42585603">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42585611/">Analysis of Interindividual Lesion Progression Variability in Adult Cerebral Adrenoleukodystrophy.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Sep)</p><p>Em <strong>homens adultos com adrenoleucodistrofia cerebral (cALD) (P)</strong>, a progress&#227;o das les&#245;es cerebrais seguiu uma taxa de crescimento exponencial com consider&#225;vel variabilidade interindividual <strong>(O)</strong>. O realce de contraste, a localiza&#231;&#227;o prim&#225;ria da les&#227;o e os n&#237;veis de neurofilamento de cadeia leve s&#233;rico (sNfL) surgem como potenciais preditores de progress&#227;o, o que pode apoiar estrat&#233;gias de tratamento personalizadas e guiar o desenho de ensaios cl&#237;nicos futuros.</p><p><strong>Metodologia:</strong> Estudo de Coorte retrospectivo multic&#234;ntrico. | <strong>N:</strong> 48</p><p>&#128161; <strong>Insight:</strong> &#201; prov&#225;vel que existam outros estudos de coorte sobre cALD, mas dados detalhados sobre a cin&#233;tica de progress&#227;o da les&#227;o podem ser mais escassos. Uma revis&#227;o sistem&#225;tica poderia agrupar estudos sobre preditores de progress&#227;o em cALD, consolidando biomarcadores de imagem e bioqu&#237;micos.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42585611">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42585607/">Prediction of Long-Term Postsurgical Seizure Recurrence From MRI Brain Hub Disruption in Patients With Temporal Lobe Epilepsy.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Sep)</p><p>Em <strong>pacientes com epilepsia do lobo temporal (ELT) resistente a drogas submetidos &#224; cirurgia (P)</strong>, a <strong>disrup&#231;&#227;o da arquitetura dos &#8216;hubs&#8217; cerebrais normativos, avaliada por RM pr&#233;-operat&#243;ria (I)</strong>, emergiu como um biomarcador preditivo da <strong>recorr&#234;ncia de crises a longo prazo (O)</strong>. Modelos de aprendizado de m&#225;quina, utilizando uma abordagem multimodal, demonstraram alta especificidade para prever o sucesso cir&#250;rgico, o que pode otimizar a estratifica&#231;&#227;o de risco p&#243;s-operat&#243;rio e o aconselhamento.</p><p><strong>Metodologia:</strong> Estudo de Coorte prospectivo, multimodal, multic&#234;ntrico com valida&#231;&#227;o em coorte independente. | <strong>N:</strong> 175</p><p>&#128161; <strong>Insight:</strong> Provavelmente existem outros estudos investigando biomarcadores de imagem para prever desfechos cir&#250;rgicos em ELT. Uma revis&#227;o sistem&#225;tica poderia agrupar e comparar a performance de diferentes biomarcadores de imagem na previs&#227;o de recorr&#234;ncia de crises p&#243;s-cirurgia em ELT.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42585607">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/42579824/">Accuracy of Antibody Testing in Myasthenia Gravis: The ADAM Study.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Sep)</p><p>Em <strong>pacientes com suspeita de miastenia gravis (MG) (P)</strong>, os <strong>ensaios baseados em c&#233;lulas (CBA), tanto vivos (L-CBA) (I) quanto fixos (F-CBA) (C1)</strong>, demonstraram desempenho diagn&#243;stico superior para a detec&#231;&#227;o de anticorpos anti-AChR em compara&#231;&#227;o com o <strong>ELISA indireto (C2) (O)</strong>. Embora o L-CBA tenha mostrado uma pequena vantagem sobre o F-CBA, este permanece uma alternativa pr&#225;tica e quase equivalente, enquanto o ELISA deve ser interpretado com cautela devido &#224; menor especificidade.</p><p><strong>Metodologia:</strong> Estudo de Coorte prospectivo multic&#234;ntrico. | <strong>N:</strong> 327</p><p>&#128161; <strong>Insight:</strong> &#201; prov&#225;vel que existam outros estudos avaliando a acur&#225;cia de diferentes m&#233;todos de detec&#231;&#227;o de anticorpos em MG. Uma meta-an&#225;lise de estudos de acur&#225;cia diagn&#243;stica seria altamente relevante para consolidar a evid&#234;ncia sobre a performance comparativa de L-CBA, F-CBA e ELISA, especialmente para subtipos de MG.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42579824">&#128270; Ver estudos semelhantes no PubMed</a></p>
      <p>
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #28 · Laringoscopia por vídeo é a chave para intubações mais seguras?]]></title><description><![CDATA[86 trials triados &#183; 27 especialidades &#183; 11 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-28-laringoscopia-por-video</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-28-laringoscopia-por-video</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 08 Aug 2026 19:35:11 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!VrCX!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4d4ea4fb-a222-4369-8d88-fa4faab397c3_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="389" height="203.6171875" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:389,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Boletim MB&quot;,&quot;title&quot;:&quot;Boletim MB&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Boletim MB" title="Boletim MB" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><blockquote><p>&#128300; Os trials que importam pra sua pr&#225;tica e pesquisa</p><p>&#127942; Curadoria de +400 journals em +35 especialidades, toda semana</p><p>&#129504; Resumo + ideia de meta-an&#225;lise pronta em 2 minutos de leitura</p><p>&#128101;+4000 m&#233;dicos e estudantes se atualizam com o Boletim MB</p></blockquote><p>Os principais destaques da semana est&#227;o ao final.</p><p><span>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB: </span><a href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916">Como funciona o Boletim MB</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!boNM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!boNM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Neurologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Neurologia" title="Neurologia" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42562636/">Thunderbolt System for acute ischemic stroke secondary to large vessel occlusion: primary results of the THUNDER study.</a></strong></h3><p><strong>Journal:</strong> Journal of neurointerventional surgery (2026 Aug)</p><p>O sistema Thunderbolt para trombectomia por aspira&#231;&#227;o <strong>(I)</strong> em pacientes com oclus&#227;o de grandes vasos (ELVO) no AVC isqu&#234;mico agudo <strong>(P)</strong> demonstrou alta taxa de revasculariza&#231;&#227;o bem-sucedida (87.5% mTICI 2b-3) e baixas taxas de complica&#231;&#245;es (sICH 0.9%) <strong>(O)</strong>. O dispositivo foi considerado seguro e eficaz, com tempos de procedimento curtos, consolidando-o como uma op&#231;&#227;o vi&#225;vel para o tratamento de ELVO.</p><p><strong>Metodologia:</strong> Estudo prospectivo, multic&#234;ntrico, bra&#231;o &#250;nico. | <strong>N:</strong> 216</p><p>&#128161; <strong>Insight:</strong> &#201; prov&#225;vel que existam v&#225;rios RCTs e estudos de vida real comparando diferentes sistemas de trombectomia em ELVO. Esta &#233; uma forte candidata a meta-an&#225;lise para comparar a efic&#225;cia e seguran&#231;a do Thunderbolt com outros dispositivos.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42562636">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42543441/">Clinical-functional dissociation in bilateral vestibulopathy: determinants of disability beyond peripheral vestibular loss.</a></strong></h3><p><strong>Journal:</strong> Journal of neurology (2026 Aug)</p><p>Em pacientes com vestibulopatia bilateral (BVP) <strong>(P)</strong>, a incapacidade cl&#237;nica <strong>(O)</strong> &#233; apenas parcialmente explicada pela magnitude da perda vestibular perif&#233;rica. A oscilopsia foi mais relacionada &#224; disfun&#231;&#227;o dos canais semicirculares, enquanto as quedas foram associadas a d&#233;ficits de controle postural e multissensoriais. Esses achados destacam a necessidade de uma estrutura integrada para avaliar e manejar a BVP, que combine fisiologia vestibular, compensa&#231;&#227;o e desfechos funcionais.</p><p><strong>Metodologia:</strong> Estudo retrospectivo multic&#234;ntrico. | <strong>N:</strong> 126</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; outros estudos avaliando determinantes da incapacidade em BVP. Uma meta-an&#225;lise poderia consolidar os fatores associados &#224; oscilopsia vs. quedas, aprimorando o entendimento da dissocia&#231;&#227;o cl&#237;nico-funcional.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42543441">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42546229/">Kappa Free Light Chain for Diagnosis and Neurofilament Light Chain for Prognosis in Autoimmune Encephalitis.</a></strong></h3><p><strong>Journal:</strong> Neurology(R) neuroimmunology &amp; neuroinflammation (2026 Sep)</p><p>Em adultos com encefalite autoimune (EA) <strong>(P)</strong>, a s&#237;ntese intratecal de cadeia leve livre Kappa (KFLC) <strong>(I)</strong> mostrou alta sensibilidade diagn&#243;stica, especialmente para EA anti-NMDAR, superando outros marcadores <strong>(C)</strong>. Al&#233;m disso, os n&#237;veis de cadeia leve de neurofilamento (NfL) no l&#237;quor <strong>(I)</strong> foram fortemente associados &#224; gravidade da doen&#231;a na linha de base e a mudan&#231;as longitudinais correlacionadas com a gravidade e incapacidade neurol&#243;gica no acompanhamento <strong>(O)</strong>. KFLC e NfL s&#227;o biomarcadores robustos para diagn&#243;stico precoce e avalia&#231;&#227;o progn&#243;stica, respectivamente.</p><p><strong>Metodologia:</strong> Coorte prospectiva multic&#234;ntrica. | <strong>N:</strong> 197 (92 pacientes com EA e 105 controles)</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; v&#225;rios estudos avaliando biomarcadores em EA. Esta &#233; uma forte candidata a meta-an&#225;lise para consolidar a acur&#225;cia diagn&#243;stica da KFLC e o valor progn&#243;stico da NfL em diferentes subtipos de EA e compar&#225;-los com outros biomarcadores.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42546229">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/42560077/">Improvement in Quality of Life and Non-Motor Symptoms Associated With OFF Episodes in People With Parkinson&#8217;s Disease Treated With Inhaled Levodopa.</a></strong></h3><p><strong>Journal:</strong> European journal of neurology (2026 Aug)</p><p>Pacientes com Doen&#231;a de Parkinson (DP) <strong>(P)</strong> tratados com levodopa inalada (CVT-301) <strong>(I)</strong> apresentaram melhora significativa na qualidade de vida relacionada &#224; sa&#250;de (PDQ-39 total score diminuiu de 43.6 para 31.4) e nos sintomas n&#227;o-motores associados a epis&#243;dios OFF <strong>(O)</strong>. Al&#233;m disso, o tempo di&#225;rio m&#233;dio de OFF diminuiu em 1.6 horas. Os achados demonstram que a levodopa inalada n&#227;o apenas melhora os epis&#243;dios OFF, mas tamb&#233;m aspectos cruciais da qualidade de vida e sintomas n&#227;o-motores em pessoas com DP.</p><p><strong>Metodologia:</strong> Estudo prospectivo aberto, multic&#234;ntrico. | <strong>N:</strong> 40</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; v&#225;rios estudos sobre levodopa inalada para epis&#243;dios OFF na DP. Esta &#233; uma forte candidata a meta-an&#225;lise para agrupar desfechos de qualidade de vida e sintomas n&#227;o-motores, aspectos ainda menos explorados.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42560077">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>5. <a href="https://pubmed.ncbi.nlm.nih.gov/42550033/">Federating European REgistries for Stroke: Principles, Data Model and Future Perspectives for a Federated Analysis of Multiple Prospective Stroke Registries.</a></strong></h3><p><strong>Journal:</strong> European journal of neurology (2026 Aug)</p><p>A iniciativa Federating European REgistries for Stroke (FERES) estabeleceu uma estrutura federada <strong>(I)</strong> compat&#237;vel com GDPR para o uso secund&#225;rio de dados de registros de AVC <strong>(P)</strong>, harmonizando diversos conjuntos de dados. O framework validado reproduziu com precis&#227;o os resultados de an&#225;lises centralizadas <strong>(O)</strong>. Isso demonstra a viabilidade de pesquisa e benchmarking multinacionais em larga escala sobre AVC, respeitando a privacidade dos dados e promovendo a gera&#231;&#227;o de evid&#234;ncias do mundo real.</p><p><strong>Metodologia:</strong> Estudo descritivo de framework de an&#225;lise de dados federada (metodologia). | <strong>N:</strong> 149772 (eventos de pacientes usados na valida&#231;&#227;o)</p><p>&#128161; <strong>Insight:</strong> Este artigo descreve uma ferramenta inovadora para realizar meta-an&#225;lises e agregar dados de registros de AVC de forma federada. O potencial de meta-an&#225;lise reside em sua capacidade de <em>facilitar</em> futuras meta-an&#225;lises em larga escala sobre desfechos de AVC, superando barreiras de privacidade e interoperabilidade.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42550033">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!avDp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!avDp!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Cardiologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Cardiologia" title="Cardiologia" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42546101/">Left Ventricular Hypertrabeculation and Prognosis in Dilated Cardiomyopathy.</a></strong></h3><p><strong>Journal:</strong> Circulation (2026 Aug)</p><p>Este estudo de coorte multic&#234;ntrico avaliou 1160 pacientes com cardiomiopatia dilatada (CMD) <strong>(P)</strong>, investigando a associa&#231;&#227;o entre hipertrabecula&#231;&#227;o ventricular esquerda (HTVE) <strong>(I)</strong> e desfechos adversos, comparando-os com pacientes sem HTVE <strong>(C)</strong>. A HTVE, embora comum na CMD, n&#227;o foi associada a maior risco de eventos emb&#243;licos, insufici&#234;ncia card&#237;aca avan&#231;ada ou arritmias ventriculares maiores <strong>(O)</strong>, sugerindo que n&#227;o deve alterar a conduta cl&#237;nica ou a anticoagula&#231;&#227;o profil&#225;tica.</p><p><strong>Metodologia:</strong> Estudo de Coorte Multic&#234;ntrico. | <strong>N:</strong> 1.160</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; in&#250;meros estudos de coorte avaliando a hipertrabecula&#231;&#227;o ventricular esquerda e seu progn&#243;stico na cardiomiopatia dilatada &#8212; forte candidato a meta-an&#225;lise sobre desfechos cardiovasculares e risco emb&#243;lico.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42546101">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!NWPS!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!NWPS!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/850a20ca-b198-457e-9038-4615ce15001d_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Oncologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Oncologia" title="Oncologia" srcset="/__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42550476/">Electroacupuncture for acute gastrointestinal symptoms during chemotherapy for colorectal cancer: a randomized clinical trial.</a></strong></h3><p><strong>Journal:</strong> Journal of the National Cancer Institute (2026 Aug)</p><p>Pacientes adultos com c&#226;ncer colorretal submetidos &#224; quimioterapia e apresentando sintomas gastrointestinais agudos <strong>(P)</strong> receberam eletroacupuntura <strong>(I)</strong>, acupuntura sham ou tratamento usual <strong>(C)</strong>. A eletroacupuntura reduziu significativamente os escores totais da GSRS <strong>(O)</strong> e a necessidade de medica&#231;&#227;o de resgate, embora a diferen&#231;a no GSRS n&#227;o tenha atingido a signific&#226;ncia cl&#237;nica pr&#233;-especificada.</p><p><strong>Metodologia:</strong> Ensaio Cl&#237;nico Randomizado (RCT), Cego, Sham-Controlado, Multic&#234;ntrico | <strong>N:</strong> 230 pacientes randomizados</p><p>&#128161; <strong>Insight:</strong> Provavelmente existem outros RCTs avaliando a efic&#225;cia da acupuntura ou eletroacupuntura para sintomas gastrointestinais induzidos por quimioterapia. Uma meta-an&#225;lise poderia agrupar esses estudos para fornecer uma estimativa mais precisa do efeito, especialmente em desfechos como uso de medica&#231;&#227;o de resgate.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42550476">&#128270; Ver estudos semelhantes no PubMed</a></p>
      <p>
          <a href="/__u/boletimmb.substack.com/p/boletim-28-laringoscopia-por-video">
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #27 · Dapagliflozina reduz lesão renal aguda após cirurgia cardíaca?]]></title><description><![CDATA[78 trials triados &#183; 24 especialidades &#183; 9 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-27-dapagliflozina-reduz-lesao</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-27-dapagliflozina-reduz-lesao</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 01 Aug 2026 18:43:33 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!A3lx!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F60f09fc2-bf8d-401b-8910-5278e0444c04_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="324" height="169.59375" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:324,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Boletim MB&quot;,&quot;title&quot;:&quot;Boletim MB&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Boletim MB" title="Boletim MB" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><blockquote><p style="text-align: center;"><strong><span>&#128300; Os trials que importam pra sua pr&#225;tica e pesquisa</span><br><span>&#127942; Curadoria de +400 journals em +35 especialidades, toda semana</span><br><span>&#129504; Resumo + ideia de meta-an&#225;lise pronta em 2 minutos de leitura</span></strong></p><p style="text-align: center;"><strong>&#128101;+4000 m&#233;dicos e estudantes se atualizam com o Boletim MB</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p><span>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB: </span><a href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916">Como funciona o Boletim MB</a></p></blockquote><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!boNM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!boNM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Neurologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Neurologia" title="Neurologia" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42535884/">Primary versus elective percutaneous transluminal angioplasty with stenting for symptomatic intracranial atherosclerotic stenosis: a 18-centre retrospective cohort study using the pEGASUS-HPC stent.</a></strong></h3><p><strong>Journal:</strong> European stroke journal (2026 Jul)</p><p>Pacientes com estenose ateroscler&#243;tica intracraniana sintom&#225;tica (sICAS) &#8805;50% <strong>(P)</strong> tratados com angioplastia transluminal percut&#226;nea com stent pEGASUS-HPC <strong>(I)</strong> tiveram sucesso t&#233;cnico alto (94,3%), com bons desfechos funcionais a m&#233;dio prazo <strong>(O)</strong>. O uso eletivo do PTAS <strong>(C)</strong> foi associado a taxas de complica&#231;&#245;es maiores significativamente mais baixas (1,4%) em compara&#231;&#227;o com o uso prim&#225;rio durante um AVC isqu&#234;mico agudo (12,7%), devido a maior risco tromb&#243;tico e hemorr&#225;gico <strong>(O)</strong>. Isso sugere um perfil de seguran&#231;a mais favor&#225;vel para o uso eletivo do stent pEGASUS-HPC na sICAS medicamente refrat&#225;ria.</p><p><strong>Metodologia:</strong> Coorte, Retrospectivo, Multic&#234;ntrico | <strong>N:</strong> 141 pacientes</p><p>&#128161; <strong>Insight:</strong> Provavelmente existem outros estudos de coorte ou RCTs menores comparando a angioplastia e stenting intracraniano prim&#225;rio versus eletivo para sICAS, embora talvez n&#227;o com o mesmo stent espec&#237;fico. Uma meta-an&#225;lise poderia agregar dados sobre a seguran&#231;a e efic&#225;cia das estrat&#233;gias de revasculariza&#231;&#227;o prim&#225;ria vs. eletiva para sICAS, independentemente do dispositivo.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42535884">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42527156/">First multicenter experience with the SOFIA 88 super-large-bore aspiration catheter in mechanical thrombectomy.</a></strong></h3><p><strong>Journal:</strong> Journal of neurointerventional surgery (2026 Jul)</p><p>A primeira experi&#234;ncia multic&#234;ntrica com o cateter de aspira&#231;&#227;o de grande calibre SOFIA 88 <strong>(I)</strong> em pacientes com oclus&#227;o de grandes vasos da circula&#231;&#227;o anterior <strong>(P)</strong> demonstrou acesso vi&#225;vel ao trombo (82,7%) e altas taxas de reperfus&#227;o final completa (82,7%) e bem-sucedida (97,5%) <strong>(O)</strong>. O dispositivo apresentou bom desempenho no efeito de primeira passagem (47,8% ap&#243;s acesso bem-sucedido) e um perfil de seguran&#231;a aceit&#225;vel, sem eventos adversos relacionados ao dispositivo <strong>(O)</strong>. Isso indica que o SOFIA 88 &#233; uma op&#231;&#227;o promissora para a trombectomia mec&#226;nica, necessitando de mais estudos prospectivos para otimizar a sele&#231;&#227;o de pacientes e estrat&#233;gias de entrega.</p><p><strong>Metodologia:</strong> Registro, Retrospectivo, Multic&#234;ntrico | <strong>N:</strong> 81 pacientes</p><p>&#128161; <strong>Insight:</strong> &#201; improv&#225;vel que existam muitos outros estudos sobre o desempenho <em>espec&#237;fico</em> do cateter SOFIA 88 neste est&#225;gio. Este estudo serve como um dos primeiros relatos de experi&#234;ncia, e futuras meta-an&#225;lises poderiam comparar diferentes cateteres de aspira&#231;&#227;o de grande calibre (como SOFIA 88 vs. outros) em termos de desfechos de reperfus&#227;o e seguran&#231;a, &#224; medida que mais dados espec&#237;ficos de dispositivos forem publicados.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42527156">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42508294/">Huoling Shengji granule in amyotrophic lateral sclerosis: A multicenter, randomized, double-blind, riluzole-controlled trial.</a></strong></h3><p><strong>Journal:</strong> Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics (2026 Jul)</p><p>Em um ensaio cl&#237;nico randomizado, pacientes com Esclerose Lateral Amiotr&#243;fica (ELA) <strong>(P)</strong> foram randomizados para receber gr&#226;nulos Huoling Shengji (HLSJ) <strong>(I)</strong> ou riluzol <strong>(C)</strong> por 48 semanas. A an&#225;lise MMRM (Mixed Model for Repeated Measures) revelou que HLSJ foi significativamente superior ao riluzol em retardar o decl&#237;nio da pontua&#231;&#227;o ALSFRS-R <strong>(O)</strong> (diferen&#231;a de 2,29 pontos; p = 0,0114), com perfis de seguran&#231;a compar&#225;veis. Esses resultados estabelecem uma base cr&#237;tica para futuros ensaios cl&#237;nicos de Fase III confirmat&#243;rios do HLSJ no tratamento da ELA.</p><p><strong>Metodologia:</strong> RCT, Fase II, Multic&#234;ntrico, Duplo-cego, Duplo-dummy, Ativo-controlado | <strong>N:</strong> 140 pacientes</p><p>&#128161; <strong>Insight:</strong> &#201; prov&#225;vel que existam poucos RCTs semelhantes sobre este fitoter&#225;pico chin&#234;s espec&#237;fico (HLSJ) para ELA. Uma meta-an&#225;lise talvez n&#227;o &#233; vi&#225;vel para HLSJ isoladamente no momento, mas uma revis&#227;o sistem&#225;tica pode ser feita sobre a efic&#225;cia de diferentes medicinas tradicionais chinesas na ELA, destacando este estudo como uma nova evid&#234;ncia para uma interven&#231;&#227;o espec&#237;fica.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42508294">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!avDp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!avDp!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Cardiologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Cardiologia" title="Cardiologia" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42521444/">Micro-axial flow pump vs veno-arterial extracorporeal membrane oxygenation for high-risk percutaneous coronary interventions: a randomized trial.</a></strong></h3><p><strong>Journal:</strong> European heart journal (2026 Jul)</p><p>O uso profil&#225;tico de uma bomba de fluxo microaxial (SynFlow 3.0) <strong>(I)</strong> em pacientes com FEVE &#8804; 35% e doen&#231;a complexa submetidos a ICP de alto risco <strong>(P)</strong> n&#227;o foi inferior &#224; VA-ECMO <strong>(C)</strong> na incid&#234;ncia de eventos adversos maiores em 30 dias <strong>(O)</strong>. A bomba de fluxo microaxial foi associada a menor tempo de interna&#231;&#227;o p&#243;s-procedimento e menos eventos adversos relacionados ao dispositivo <strong>(O)</strong>.</p><p><strong>Metodologia:</strong> Prospective, multicentre, randomized, open-label, non-inferiority trial. | <strong>N:</strong> 222 pacientes.</p><p>&#128161; <strong>Insight:</strong> PROV&#193;VEL que haja outros RCTs comparando dispositivos de suporte circulat&#243;rio mec&#226;nico em ICP de alto risco. Forte candidato para meta-an&#225;lise sobre a seguran&#231;a e efic&#225;cia de diferentes estrat&#233;gias de suporte circulat&#243;rio mec&#226;nico neste cen&#225;rio.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42521444">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!NWPS!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!NWPS!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/850a20ca-b198-457e-9038-4615ce15001d_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Oncologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Oncologia" title="Oncologia" srcset="/__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42508432/">Postmastectomy chest wall radiotherapy for breast cancer (SUPREMO): 5-year quality-of-life results from a randomised, controlled, phase 3 trial.</a></strong></h3><p><strong>Journal:</strong> The Lancet. Oncology (2026 Aug)</p><p>O estudo SUPREMO avaliou os resultados de qualidade de vida em 5 anos de <strong>mulheres com c&#226;ncer de mama de risco intermedi&#225;rio (P)</strong> ap&#243;s mastectomia, randomizadas para radioterapia da parede tor&#225;cica <strong>(I)</strong> ou nenhuma radioterapia <strong>(C)</strong>. A radioterapia foi associada a piora nos sintomas da parede tor&#225;cica <strong>(O)</strong> (estimativa de efeito 1,99; p=0,017), com melhora entre os anos 1, 2 e 5. N&#227;o houve diferen&#231;as significativas em outros dom&#237;nios da qualidade de vida, indicando um impacto localizado na toxicidade sem benef&#237;cio na QOL geral neste <strong>desfecho</strong> secund&#225;rio.</p><p><strong>Metodologia:</strong> Ensaio Cl&#237;nico Randomizado, Controlado, Fase 3, Multic&#234;ntrico | <strong>N:</strong> 989 pacientes (subestudo de QOL)</p><p>&#128161; <strong>Insight:</strong> Provavelmente existem diversos RCTs sobre radioterapia p&#243;s-mastectomia em c&#226;ncer de mama de risco intermedi&#225;rio, incluindo estudos de QOL. Uma meta-an&#225;lise de QOL poderia consolidar o perfil de toxicidade e impacto na qualidade de vida da radioterapia adjuvante.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42508432">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42508427/">Addition of irinotecan to chemoradiotherapy as preoperative treatment for locally advanced rectal cancer (ARISTOTLE): a multicentre, open-label, phase 3, randomised controlled trial.</a></strong></h3><p><strong>Journal:</strong> The Lancet. Oncology (2026 Aug)</p><p>O ensaio ARISTOTLE avaliou a adi&#231;&#227;o de irinotecano &#224; quimiorradioterapia neoadjuvante em <strong>pacientes com c&#226;ncer retal localmente avan&#231;ado (P)</strong>, comparando radioterapia com capecitabina e irinotecano <strong>(I)</strong> versus radioterapia com capecitabina isolada <strong>(C)</strong>. A adi&#231;&#227;o de irinotecano n&#227;o melhorou a sobrevida livre de doen&#231;a em 36 meses <strong>(O)</strong> (HR 0,91; p=0,54) e aumentou significativamente a frequ&#234;ncia de eventos adversos de grau 3 ou pior (78% vs 52%). Portanto, a adi&#231;&#227;o de irinotecano n&#227;o &#233; recomendada no tratamento pr&#233;-operat&#243;rio para c&#226;ncer retal localmente avan&#231;ado.</p><p><strong>Metodologia:</strong> Ensaio Cl&#237;nico Randomizado, Controlado, Aberto, Multic&#234;ntrico, Fase 3 | <strong>N:</strong> 564 pacientes</p><p>&#128161; <strong>Insight:</strong> Provavelmente existem outros RCTs avaliando diferentes esquemas de quimioterapia na quimiorradioterapia neoadjuvante para c&#226;ncer retal localmente avan&#231;ado. Uma meta-an&#225;lise poderia comparar a efic&#225;cia e toxicidade de diversas combina&#231;&#245;es de agentes.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42508427">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42508433/">Intravesical cretostimogene grenadenorepvec oncolytic immunotherapy in high-risk, BCG-unresponsive, non-muscle-invasive bladder cancer with carcinoma in situ (BOND-003 Cohort C): a single-arm, phase 3 trial.</a></strong></h3><p><strong>Journal:</strong> The Lancet. Oncology (2026 Aug)</p><p>O estudo BOND-003 Cohort C, um ensaio de fase 3 de bra&#231;o &#250;nico, avaliou a imunoterapia oncol&#237;tica intravesical com cretostimogene grenadenorepvec <strong>(I)</strong> em <strong>pacientes com c&#226;ncer de bexiga n&#227;o m&#250;sculo-invasivo de alto risco, n&#227;o responsivo &#224; BCG, com carcinoma in situ (P)</strong>. O tratamento demonstrou uma resposta completa clinicamente significativa em 75% dos pacientes <strong>(O)</strong>, com um perfil de eventos adversos predominantemente de baixo grau e transit&#243;rio. Isso posiciona o cretostimogene como uma promissora op&#231;&#227;o inovadora para tratamento poupador de bexiga nesta popula&#231;&#227;o.</p><p><strong>Metodologia:</strong> Estudo de Bra&#231;o &#218;nico, Fase 3, Internacional | <strong>N:</strong> 112 pacientes</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; uma lacuna para revis&#227;o sistem&#225;tica e meta-an&#225;lise sobre novas imunoterapias oncol&#237;ticas intravesicais para este perfil de c&#226;ncer de bexiga, pois &#233; um campo emergente. Este estudo pode servir como um dos primeiros dados para agrupar quando mais estudos de fase 3 estiverem dispon&#237;veis.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42508433">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/42530890/">Early discontinuation of chemotherapy in older adults with early breast cancer: results from the prospective multicenter HOPE study.</a></strong></h3><p><strong>Journal:</strong> Journal of the National Cancer Institute (2026 Jul)</p><p>Uma an&#225;lise post-hoc do estudo HOPE investigou a descontinua&#231;&#227;o precoce da quimioterapia em <strong>adultos mais velhos (&#8805;65 anos) com c&#226;ncer de mama em est&#225;gio inicial (P)</strong>. Quase um quarto (23%) dos participantes descontinuou a quimioterapia precocemente, sendo fatores de risco uma queda nos &#250;ltimos 6 meses (OR=2,06) e um score de atividades di&#225;rias &lt;85 (OR=2,00) <strong>(O)</strong>. Embora a descontinua&#231;&#227;o n&#227;o tenha sido associada a pior sobrevida geral ou espec&#237;fica por c&#226;ncer de mama, ela esteve ligada a maior mortalidade n&#227;o relacionada ao c&#226;ncer, ressaltando a import&#226;ncia de identificar pacientes de alto risco.</p><p><strong>Metodologia:</strong> An&#225;lise Post-Hoc de um Estudo de Coorte Multic&#234;ntrico Prospectivo | <strong>N:</strong> 501 participantes</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; diversos estudos de coorte ou observacionais sobre fatores preditores de descontinua&#231;&#227;o de quimioterapia em popula&#231;&#245;es geri&#225;tricas. Uma meta-an&#225;lise poderia identificar e quantificar os fatores de risco mais consistentes para descontinua&#231;&#227;o precoce e seu impacto na sobrevida nesta popula&#231;&#227;o.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42530890">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!uYUS!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!uYUS!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!uYUS!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!uYUS!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uYUS!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!uYUS!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Alergologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Alergologia" title="Alergologia" srcset="/__u/substackcdn.com/image/fetch/$s_!uYUS!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!uYUS!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!uYUS!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uYUS!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F55f287b9-3b11-4867-ab9a-3e4487c1a438_1000x50.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42517450/">Artemisia annua Sublingual Immunotherapy Is Efficacious and Well Tolerated in Patients With Season Allergic Rhinitis: A Prospective, Open-Label, Multicenter Phase IV Trial.</a></strong></h3><p><strong>Journal:</strong> Allergy (2026 Jul)</p><p>A imunoterapia sublingual (SLIT) com <em>Artemisia annua</em> <strong>(I)</strong> em pacientes com rinite al&#233;rgica sazonal (SAR) induzida por <em>A. annua</em> <strong>(P)</strong> demonstrou ser eficaz e bem tolerada. Houve redu&#231;&#227;o significativa do escore combinado de sintomas e medica&#231;&#227;o (CSMS) e controle dur&#225;vel dos sintomas por at&#233; um ano ap&#243;s o tratamento <strong>(O)</strong>, com modula&#231;&#245;es imunol&#243;gicas favor&#225;veis.</p><p><strong>Metodologia:</strong> Prospective, open-label, multicenter phase IV clinical trial. | <strong>N:</strong> 316 pacientes.</p><p>&#128161; <strong>Insight:</strong> PROV&#193;VEL que existam outros estudos sobre SLIT para SAR, incluindo diferentes al&#233;rgenos. Potencial para meta-an&#225;lise da efic&#225;cia e seguran&#231;a da imunoterapia sublingual para rinite al&#233;rgica sazonal.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42517450">&#128270; Ver estudos semelhantes no PubMed</a></p>
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #26 · GLP-1 RA protege contra fraturas em diabéticos tipo 2? ]]></title><description><![CDATA[84 trials triados &#183; 25 especialidades &#183; 10 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-26-glp-1-ra-protege-contra</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-26-glp-1-ra-protege-contra</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 25 Jul 2026 11:47:54 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!P2k6!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3d6d572-e629-46d5-9d24-50979e9274c0_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="324" height="169.59375" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:324,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Boletim MB&quot;,&quot;title&quot;:&quot;Boletim MB&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Boletim MB" title="Boletim MB" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, 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center;"><strong>&#128101;+4000 m&#233;dicos e estudantes se atualizam com o Boletim MB</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p><span>&#128073; Novo por aqui? 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data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Neurologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Neurologia" title="Neurologia" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42498630/">First-pass aspiration versus stent retriever thrombectomy: machine learning study of treatment effect heterogeneity.</a></strong></h3><p><strong>Journal:</strong> Journal of neurointerventional surgery (2026 Jul)</p><p>Em <strong>pacientes com oclus&#227;o de grandes vasos</strong> <strong>(P)</strong>, a <strong>trombectomia com aspira&#231;&#227;o de primeira passagem (ADAPT)</strong> <strong>(I)</strong> foi associada a uma taxa mais alta do desfecho composto de <strong>efeito de primeira passagem (FPE) sem hemorragia intracraniana sintom&#225;tica (sICH)</strong> <strong>(O)</strong> em compara&#231;&#227;o com a <strong>trombectomia com stent retriever (SR)</strong> <strong>(C)</strong>. Um modelo de <em>machine learning</em> identificou que ADAPT &#233; mais vantajosa em anos mais recentes e em pacientes com oclus&#245;es M1 apresentando em janelas de tempo mais precoces, indicando que a escolha da t&#233;cnica pode ser individualizada.</p><p><strong>Metodologia:</strong> Coorte multic&#234;ntrico, retrospectivo, com an&#225;lise de <em>machine learning</em>. | <strong>N:</strong> 6700</p><p>&#128161; <strong>Insight:</strong> Provavelmente j&#225; existem diversos RCTs e estudos de coorte comparando ADAPT vs. SR. Forte candidato para meta-an&#225;lise com subgrupos, focando na heterogeneidade do efeito para identificar quais pacientes se beneficiam mais de cada t&#233;cnica, especialmente dados os achados de <em>machine learning</em>.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42498630">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42479992/">Central Obesity and Recurrent Cardiovascular Events in Patients With Obstructive Sleep Apnea: The SAVE Study.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Aug)</p><p>Em <strong>pacientes com apneia obstrutiva do sono (OSA) e doen&#231;a cardiovascular (CVD) estabelecida</strong> <strong>(P)</strong>, a <strong>obesidade central medida pela rela&#231;&#227;o cintura-altura (WHtR)</strong> <strong>(I)</strong> mostrou uma <strong>associa&#231;&#227;o mais consistente com o risco de eventos cardiovasculares compostos recorrentes</strong> <strong>(O)</strong> do que o IMC convencional. Quase todos os participantes tinham adiposidade central, e aqueles no quartil mais alto de WHtR apresentaram um risco 1,52 vezes maior de eventos cardiovasculares do que os do quartil mais baixo. Isso sugere que o WHtR pode ser um preditor de risco cardiovascular mais eficaz nesta popula&#231;&#227;o do que o IMC.</p><p><strong>Metodologia:</strong> An&#225;lise <em>post hoc</em> de um RCT (SAVE trial), coorte. | <strong>N:</strong> 2662</p><p>&#128161; <strong>Insight:</strong> Provavelmente existem v&#225;rios estudos explorando a associa&#231;&#227;o de diferentes &#237;ndices de adiposidade com desfechos cardiovasculares. Um bom &#226;ngulo para meta-an&#225;lise seria focar especificamente na popula&#231;&#227;o com OSA e CVD para comparar a capacidade preditiva do IMC vs. WHtR e outras medidas de adiposidade central para eventos cardiovasculares.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42479992">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42493654/">Autoimmune encephalitis in eastern China over last decade: a multi-center retrospective study.</a></strong></h3><p><strong>Journal:</strong> Journal of neurology (2026 Jul)</p><p>Em <strong>pacientes com encefalite autoimune (AE) no leste da China</strong> <strong>(P)</strong>, este estudo retrospectivo multic&#234;ntrico revelou uma evolu&#231;&#227;o significativa <strong>(I)</strong> ao longo da &#250;ltima d&#233;cada, com <strong>diminui&#231;&#227;o do tempo para diagn&#243;stico, aumento da diversifica&#231;&#227;o de subtipos e uso de tratamentos de segunda linha</strong> <strong>(O)</strong>. Consequentemente, a <strong>propor&#231;&#227;o de pacientes com bom desfecho cl&#237;nico (mRS &#8804; 2) aumentou</strong>, embora os custos de interna&#231;&#227;o tenham apresentado uma tend&#234;ncia de alta. Os achados destacam a melhoria no manejo da AE, mas tamb&#233;m o desafio crescente dos custos de sa&#250;de.</p><p><strong>Metodologia:</strong> Coorte retrospectivo, multic&#234;ntrico. | <strong>N:</strong> 436</p><p>&#128161; <strong>Insight:</strong> Provavelmente existem estudos semelhantes descrevendo a evolu&#231;&#227;o do diagn&#243;stico e tratamento da encefalite autoimune em outras regi&#245;es ou pa&#237;ses. Um bom &#226;ngulo para meta-an&#225;lise ou revis&#227;o sistem&#225;tica seria comparar a epidemiologia, tend&#234;ncias de tratamento e desfechos da AE em diferentes contextos geogr&#225;ficos/culturais, incluindo a avalia&#231;&#227;o do impacto econ&#244;mico.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42493654">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/42497289/">CATalyze-AI: accelerating referral for thrombectomy in acute stroke patients using an AI-based software. A prospective, multicentre, quasi-experimental cohort study.</a></strong></h3><p><strong>Journal:</strong> European stroke journal (2026 Jul)</p><p>Este estudo <strong>quase-experimental multic&#234;ntrico</strong> <strong>(P)</strong> avaliou se a integra&#231;&#227;o de um <strong>algoritmo de IA (Methinks Stroke Suite) para detec&#231;&#227;o de LVO</strong> <strong>(I)</strong> em centros de tele-AVC reduzia o tempo para a decis&#227;o de transfer&#234;ncia em compara&#231;&#227;o com o <strong>per&#237;odo pr&#233;-IA</strong> <strong>(C)</strong>. Embora o <strong>tempo ajustado da chegada para a solicita&#231;&#227;o de transfer&#234;ncia</strong> <strong>(O)</strong> n&#227;o tenha diferido, a implementa&#231;&#227;o da IA foi associada a uma <strong>redu&#231;&#227;o no tempo da imagem &#224; solicita&#231;&#227;o de transfer&#234;ncia</strong> e <strong>da chegada &#224; pun&#231;&#227;o da virilha</strong>, al&#233;m de <strong>diminuir a necessidade de exames de imagem repetidos</strong>. Isso indica uma otimiza&#231;&#227;o do fluxo de trabalho, resultando em reperfus&#227;o mais r&#225;pida, mesmo sem um impacto direto na decis&#227;o inicial de transfer&#234;ncia.</p><p><strong>Metodologia:</strong> Coorte prospectivo, multic&#234;ntrico, quase-experimental. | <strong>N:</strong> 265</p><p>&#128161; <strong>Insight:</strong> Provavelmente j&#225; existem ou surgir&#227;o muitos estudos avaliando o impacto da IA no fluxo de trabalho do AVC agudo. Forte candidato para meta-an&#225;lise que quantifique o benef&#237;cio da IA em diferentes pontos do <em>workflow</em> do AVC e em diferentes ambientes, incluindo o tempo de porta-agulha e porta-groin.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42497289">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>5. <a href="https://pubmed.ncbi.nlm.nih.gov/42493243/">Stent-assisted coiling with LVIS Evo and HydroCoil embolic system: 1-year results of the SEALANT study.</a></strong></h3><p><strong>Journal:</strong> Journal of neurointerventional surgery (2026 Jul)</p><p>O estudo SEALANT investigou a <strong>seguran&#231;a e efic&#225;cia do coiling assistido por stent (SAC) utilizando o stent LVIS Evo e o sistema emb&#243;lico HydroCoil (HES)</strong> <strong>(I)</strong> em <strong>pacientes com aneurismas cerebrais</strong> <strong>(P)</strong>. Em um ano, a <strong>oclus&#227;o completa em DSA foi alcan&#231;ada em 82,1%</strong> <strong>(O)</strong> dos aneurismas, e o <strong>desfecho prim&#225;rio de seguran&#231;a (AVC isqu&#234;mico ipsilateral maior ou morte neurol&#243;gica)</strong> <strong>(O)</strong> ocorreu em apenas 2,4% dos pacientes. Os resultados confirmam a seguran&#231;a e a efic&#225;cia dessa combina&#231;&#227;o de dispositivos para o tratamento de aneurismas cerebrais.</p><p><strong>Metodologia:</strong> Prospectivo, single-arm, multic&#234;ntrico, aberto. | <strong>N:</strong> 206</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; muitos estudos avaliando diferentes combina&#231;&#245;es de stents e coils para aneurismas cerebrais. Forte candidato para meta-an&#225;lise que compare a seguran&#231;a e efic&#225;cia (taxas de oclus&#227;o e complica&#231;&#245;es) de diferentes dispositivos de SAC para aneurismas, ou para subgrupos de aneurismas, agregando evid&#234;ncias de bra&#231;os &#250;nicos e RCTs.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42493243">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>6. <a href="https://pubmed.ncbi.nlm.nih.gov/42479994/">Association Between Plasma GFAP and Medial Temporal Atrophy and Cognition in Amyloid-Negative Cerebrovascular Disease.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Aug)</p><p>Em indiv&#237;duos com comprometimento cognitivo A&#946; PET-negativos e doen&#231;a cerebrovascular <strong>(P)</strong>, n&#237;veis mais altos de GFAP plasm&#225;tica associaram-se a menor densidade da mat&#233;ria cinzenta temporal medial, volumes hipocampal e amigdalar reduzidos, e piores escores cognitivos (MMSE) <strong>(O)</strong>, especialmente naqueles com alta carga cerebrovascular. Estes achados sugerem que a GFAP pode ser um biomarcador relevante para a reatividade astrocit&#225;ria no comprometimento cognitivo vascular, al&#233;m da patologia amiloide.</p><p><strong>Metodologia:</strong> Estudo transversal, multic&#234;ntrico. | <strong>N:</strong> 324 participantes</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; outros estudos observacionais investigando biomarcadores em doen&#231;a cerebrovascular e comprometimento cognitivo A&#946;-negativo. Uma revis&#227;o sistem&#225;tica com meta-an&#225;lise poderia agrupar a evid&#234;ncia sobre o papel da GFAP como biomarcador de progress&#227;o de disfun&#231;&#227;o cognitiva vascular.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42479994">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>7. <a href="https://pubmed.ncbi.nlm.nih.gov/42498265/">Age Is an Effect Modifier of Thrombectomy Benefit in a Socioeconomically Vulnerable Stroke Population.</a></strong></h3><p><strong>Journal:</strong> Annals of neurology (2026 Jul)</p><p>Uma an&#225;lise de subgrupo do ensaio RESILIENT investigou o impacto da idade no benef&#237;cio do tratamento endovascular (EVT) <strong>(I)</strong> versus tratamento m&#233;dico <strong>(C)</strong> em pacientes brasileiros com AVC por oclus&#227;o de grandes vasos <strong>(P)</strong>. Embora o EVT demonstrasse benef&#237;cio substancial em pacientes n&#227;o idosos <strong>(P)</strong>, seu efeito foi significativamente atenuado em pacientes idosos (&#8805;70 anos) <strong>(P)</strong> na independ&#234;ncia funcional aos 90 dias <strong>(O)</strong>. Isso sugere que a idade pode ser um modificador do efeito do tratamento em popula&#231;&#245;es vulner&#225;veis de pa&#237;ses em desenvolvimento, diferindo de achados em pa&#237;ses de alta renda.</p><p><strong>Metodologia:</strong> An&#225;lise de subgrupo pr&#233;-especificada de um ensaio cl&#237;nico randomizado controlado (RESILIENT), multic&#234;ntrico. | <strong>N:</strong> 221 pacientes</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; v&#225;rios RCTs de trombectomia em AVC, e muitos j&#225; investigaram o efeito da idade. Uma meta-an&#225;lise poderia comparar o efeito da idade como modificador do benef&#237;cio da trombectomia em diferentes contextos socioecon&#244;micos ou em pa&#237;ses em desenvolvimento.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42498265">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>8. <a href="https://pubmed.ncbi.nlm.nih.gov/42479996/">A Predictive Model for Short-Term Mortality After Status Epilepticus: The ACARD Score.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Aug)</p><p>Este estudo multic&#234;ntrico e multinacional desenvolveu e validou o escore ACARD para prever a mortalidade em 30 dias ap&#243;s um epis&#243;dio de estado de mal epil&#233;ptico (SE) n&#227;o hip&#243;xico <strong>(P)</strong>. Fatores como idade &#8805;75 anos, comprometimento da consci&#234;ncia antes do tratamento, etiologia aguda, refratariedade e defici&#234;ncia pr&#233;-SE foram preditores independentes <strong>(O)</strong>. O escore ACARD demonstrou bom poder preditivo (AUC de 0.864 na deriva&#231;&#227;o e 0.845 na valida&#231;&#227;o) <strong>(O)</strong>, fornecendo uma ferramenta user-friendly para identificar pacientes com alto risco de mortalidade de curto prazo.</p><p><strong>Metodologia:</strong> Estudo de coorte multic&#234;ntrico, multinacional (desenvolvimento e valida&#231;&#227;o de escore progn&#243;stico). | <strong>N:</strong> 1258 epis&#243;dios de SE (689 na coorte de deriva&#231;&#227;o, 569 na coorte de valida&#231;&#227;o)</p><p>&#128161; <strong>Insight:</strong> Provavelmente existem outros estudos desenvolvendo e validando escores progn&#243;sticos para mortalidade em SE. Uma meta-an&#225;lise poderia comparar o desempenho preditivo e a generalizabilidade de diferentes escores, ou agrupar dados para identificar os preditores mais consistentes de mortalidade em SE.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42479996">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>9. <a href="https://pubmed.ncbi.nlm.nih.gov/42479995/">Functional Outcomes and Safety of Endovascular Thrombectomy in Pediatric Acute Ischemic Stroke With Cardiac Abnormalities.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Aug)</p><p>Nesta an&#225;lise secund&#225;ria de uma coorte multinacional, a trombectomia endovascular (EVT) <strong>(I)</strong> em crian&#231;as com AVC isqu&#234;mico agudo (AIS) por oclus&#227;o de grandes vasos <strong>(P)</strong> associou-se a melhores desfechos funcionais e recupera&#231;&#227;o neurol&#243;gica acelerada <strong>(O)</strong>. N&#227;o houve evid&#234;ncia de que a presen&#231;a de anormalidades card&#237;acas <strong>(P)</strong> modificasse a associa&#231;&#227;o do tratamento com o desfecho ou a seguran&#231;a <strong>(O)</strong>. Os achados apoiam a considera&#231;&#227;o da EVT em crian&#231;as com AIS, independentemente do status de anormalidade card&#237;aca.</p><p><strong>Metodologia:</strong> An&#225;lise secund&#225;ria retrospectiva de um registro de coorte prospectivo multinacional. | <strong>N:</strong> 178 crian&#231;as</p><p>&#128161; <strong>Insight:</strong> O EVT em crian&#231;as com AVC &#233; um campo em evolu&#231;&#227;o, com poucos RCTs. Uma revis&#227;o sistem&#225;tica com meta-an&#225;lise de dados de coortes e registros pode consolidar a evid&#234;ncia sobre seguran&#231;a e efic&#225;cia do EVT em AVC pedi&#225;trico, investigando a influ&#234;ncia de comorbidades como anormalidades card&#237;acas.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42479995">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>10. <a href="https://pubmed.ncbi.nlm.nih.gov/42475649/">Mechanism-Based Therapy With Ampreloxetine for Neurogenic Orthostatic Hypotension in Multiple System Atrophy: A Randomized Withdrawal Trial.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Aug)</p><p>Em uma an&#225;lise pr&#233;-especificada de pacientes com atrofia de m&#250;ltiplos sistemas (MSA) <strong>(P)</strong> e hipotens&#227;o ortost&#225;tica neurog&#234;nica (NOH) sintom&#225;tica, o ampreloxetine <strong>(I)</strong> n&#227;o atingiu o desfecho prim&#225;rio de ambos os estudos. Contudo, na fase de retirada randomizada do REDWOOD, os pacientes mantidos em ampreloxetine <strong>(I)</strong> mantiveram os n&#237;veis de fun&#231;&#227;o e press&#227;o arterial em p&#233;, enquanto aqueles que receberam placebo <strong>(C)</strong> apresentaram piora significativa nos sintomas de OH (OHSA composto: -1.6 pontos; p=0.0056) e queda da press&#227;o arterial <strong>(O)</strong>. Isso sugere um benef&#237;cio para os respondedores iniciais ao tratamento, apesar da falha em cumprir o desfecho prim&#225;rio geral.</p><p><strong>Metodologia:</strong> Ensaio de retirada randomizada (REDWOOD) ap&#243;s um per&#237;odo aberto, an&#225;lise de subgrupo pr&#233;-especificada. | <strong>N:</strong> 73 pacientes com MSA (40 randomizados na fase de retirada)</p><p>&#128161; <strong>Insight:</strong> O ampreloxetine &#233; um f&#225;rmaco relativamente novo para NOH em MSA, e o tema pode ser considerado in&#233;dito. Uma futura meta-an&#225;lise poderia comparar a efic&#225;cia e seguran&#231;a de diferentes abordagens farmacol&#243;gicas para NOH na MSA, incluindo ampreloxetine se mais estudos surgirem.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42475649">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!piEp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!piEp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!piEp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!piEp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!piEp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!piEp!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/d2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Anestesiologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Anestesiologia" title="Anestesiologia" srcset="/__u/substackcdn.com/image/fetch/$s_!piEp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!piEp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!piEp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!piEp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd2065ccd-6568-4c81-81dd-72ad7463d133_1000x50.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42486705/">Agreement between patient self-reported and assessor-rated frailty using the Clinical Frailty Scale.</a></strong></h3><p><strong>Journal:</strong> British journal of anaesthesia (2026 Jul)</p><p>A autoavalia&#231;&#227;o da fragilidade por pacientes <strong>(I)</strong>, utilizando a Clinical Frailty Scale (CFS), teve concord&#226;ncia moderada (kappa ponderado=0.58) com a avalia&#231;&#227;o por profissionais treinados <strong>(C)</strong> em pessoas com &#8805;65 anos submetidas &#224; cirurgia n&#227;o card&#237;aca eletiva <strong>(P)</strong>. Ambas as avalia&#231;&#245;es <strong>(I/C)</strong> tiveram capacidade discriminativa similar para prever <strong>(O)</strong> morte ou nova incapacidade 90 dias ap&#243;s a cirurgia, sugerindo que a autoavalia&#231;&#227;o pode ser uma ferramenta de triagem pr&#233;-operat&#243;ria &#250;til.</p><p><strong>Metodologia:</strong> Sub-estudo de Coorte Prospectiva Multic&#234;ntrica. | <strong>N:</strong> 531</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; v&#225;rios estudos avaliando a concord&#226;ncia entre autoavalia&#231;&#227;o e avalia&#231;&#227;o por especialista de fragilidade com diferentes escalas. Uma meta-an&#225;lise poderia investigar a validade e confiabilidade da autoavalia&#231;&#227;o da fragilidade em diferentes contextos cir&#250;rgicos, focando na CFS.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42486705">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!D945!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!D945!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!D945!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!D945!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!D945!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!D945!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Endocrinologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Endocrinologia" title="Endocrinologia" srcset="/__u/substackcdn.com/image/fetch/$s_!D945!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!D945!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!D945!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!D945!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23fe2840-a3ec-4399-a2ee-2f6eba2af588_1000x50.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42488011/">Association between laser-assisted hatching and subsequent blastocyst development in fresh day 3 cleavage-stage embryos: a retrospective cohort study using propensity score matching, generalized estimating equations, and time-sensitivity analyses.</a></strong></h3><p><strong>Journal:</strong> Frontiers in endocrinology (2026)</p><p>O hatching assistido por laser (LAH) <strong>(I)</strong> foi associado a uma maior taxa de forma&#231;&#227;o de blastocistos transfer&#237;veis <strong>(O)</strong> em embri&#245;es de clivagem de dia 3 de baixa qualidade <strong>(P)</strong>, mas essa associa&#231;&#227;o <strong>(O)</strong> tornou-se n&#227;o significativa ap&#243;s ajuste para o tempo nos modelos de sensibilidade. Os achados s&#227;o heterog&#234;neos e exigem confirma&#231;&#227;o em estudos prospectivos randomizados, com <strong>(O)</strong> desfechos cl&#237;nicos, como nascidos vivos, para solidificar o papel do LAH <strong>(I)</strong>.</p><p><strong>Metodologia:</strong> Estudo de Coorte Retrospectivo com Propensity Score Matching. | <strong>N:</strong> 1998 (ap&#243;s PSM)</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; v&#225;rios RCTs e estudos de coorte sobre LAH em ciclos de FIV. Uma meta-an&#225;lise &#233; prov&#225;vel e relevante para determinar o impacto real do LAH na taxa de blastocistos, implanta&#231;&#227;o, gravidez e, mais importante, nascidos vivos.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42488011">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42483685/">Karyotype-phenotype associations in turner syndrome: a multicenter retrospective cohort study.</a></strong></h3><p><strong>Journal:</strong> Frontiers in endocrinology (2026)</p><p>Neste estudo, associa&#231;&#245;es entre cari&#243;tipo e fen&#243;tipo na S&#237;ndrome de Turner <strong>(P)</strong> foram observadas: menarca espont&#226;nea foi mais comum em casos de mosaicismo ou anomalias estruturais do cromossomo X <strong>(O)</strong>, enquanto o hipotireoidismo autoimune <strong>(O)</strong> foi mais frequente em anomalias estruturais. O conhecimento dessas associa&#231;&#245;es <strong>(O)</strong> pode auxiliar no manejo e na expectativa de pacientes <strong>(P)</strong> e fam&#237;lias.</p><p><strong>Metodologia:</strong> Estudo de Coorte Retrospectivo Observacional, Multic&#234;ntrico. | <strong>N:</strong> 86</p><p>&#128161; <strong>Insight:</strong> H&#225; vasta literatura sobre associa&#231;&#245;es cari&#243;tipo-fen&#243;tipo na S&#237;ndrome de Turner. Uma meta-an&#225;lise poderia agrupar dados para identificar padr&#245;es consistentes de risco para desfechos espec&#237;ficos (card&#237;acos, renais, end&#243;crinos, pubert&#225;rios) em diferentes cari&#243;tipos de TS.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42483685">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div>
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #25 ·Hidrocodona causa menos dor que oxicodona no pós-operatório?]]></title><description><![CDATA[81 trials triados &#183; 25 especialidades &#183; 9 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-25-hidrocodona-causa-menos</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-25-hidrocodona-causa-menos</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 18 Jul 2026 12:28:29 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!KIVh!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd3727e8b-4573-4430-b039-02614c7bb1ed_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="258" height="135.046875" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:258,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Boletim MB&quot;,&quot;title&quot;:&quot;Boletim MB&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Boletim MB" title="Boletim MB" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p style="text-align: center;"><strong><span>&#128300; Os trials que importam pra sua pr&#225;tica e pesquisa</span><br><span>&#127942; Curadoria de +400 journals em +35 especialidades, toda semana</span><br><span>&#129504; Resumo + ideia de meta-an&#225;lise pronta em 2 minutos de leitura</span></strong></p><p style="text-align: center;"><strong>&#128101;+4000 m&#233;dicos e estudantes se atualizam com o Boletim MB</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p><span>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB: </span><a href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916">Como funciona o Boletim MB</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!boNM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!boNM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Neurologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Neurologia" title="Neurologia" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42441931/">Long-Term Ravulizumab Efficacy and Safety in AQP4 Antibody-Positive Neuromyelitis Optica Spectrum Disorder: Final CHAMPION-NMOSD Results.</a></strong></h3><p><strong>Journal:</strong> Neurology(R) neuroimmunology &amp; neuroinflammation (2026 Sep)</p><p>Adultos com transtorno do espectro da neuromielite &#243;ptica positivos para anticorpo anti-AQP4 <strong>(P)</strong> receberam ravulizumabe em uso prolongado <strong>(I)</strong>, avaliando tempo at&#233; a primeira recidiva em compara&#231;&#227;o a placebo hist&#243;rico de outro ensaio <strong>(C)</strong>. Nenhum paciente em uso de ravulizumabe teve recidiva confirmada durante o per&#237;odo de tratamento prim&#225;rio nem na extens&#227;o de longo prazo, com redu&#231;&#227;o relativa de risco muito pr&#243;xima de completa versus o comparador <strong>(O)</strong>. Sustenta forte efic&#225;cia e seguran&#231;a consistente do ravulizumabe no controle de recidivas em seguimento de longo prazo.</p><p><strong>Metodologia:</strong> Extens&#227;o de longo prazo de RCT fase 3, aberto, com comparador externo (placebo hist&#243;rico) | <strong>N:</strong> 58 (56 na extens&#227;o)</p><p>&#128161; <strong>Insight:</strong> Inibidores do complemento (ravulizumabe, eculizumabe) na neuromielite &#243;ptica t&#234;m ensaios compar&#225;veis &#8212; candidato a meta-an&#225;lise de redu&#231;&#227;o de risco de recidiva entre agentes.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42441931">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42447422/">Two-Year Retention of Benefits After Paired Vagus Nerve Stimulation in Stroke: Follow-Up of the VNS-REHAB Randomized Clinical Trial.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Aug)</p><p>Pacientes com AVC isqu&#234;mico cr&#244;nico e d&#233;ficit de membro superior <strong>(P)</strong> que completaram estimula&#231;&#227;o do nervo vago pareada com reabilita&#231;&#227;o <strong>(I)</strong> foram acompanhados por 2 anos quanto &#224; reten&#231;&#227;o do ganho funcional <strong>(O)</strong>. Os ganhos motores e funcionais obtidos ap&#243;s a estimula&#231;&#227;o pareada foram mantidos aos 2 anos, com melhora significativa tamb&#233;m em medidas de participa&#231;&#227;o e qualidade de vida <strong>(O)</strong>. Sustenta a estimula&#231;&#227;o do nervo vago pareada como op&#231;&#227;o terap&#234;utica com benef&#237;cio funcional duradouro para d&#233;ficits cr&#244;nicos de membro superior p&#243;s-AVC.</p><p><strong>Metodologia:</strong> An&#225;lise post hoc de seguimento de 2 anos de RCT triplo-cego, sham-controlado | <strong>N:</strong> 49</p><p>&#128161; <strong>Insight:</strong> Durabilidade do efeito da estimula&#231;&#227;o vagal pareada em reabilita&#231;&#227;o p&#243;s-AVC &#233; tema com poucos dados de longo prazo &#8212; candidato a meta-an&#225;lise &#224; medida que surgirem mais seguimentos.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42447422">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div>
      <p>
          <a href="/__u/boletimmb.substack.com/p/boletim-25-hidrocodona-causa-menos">
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #24 · Dieta cetogênica melhora a esquizofrenia?]]></title><description><![CDATA[91 trials triados &#183; 29 especialidades &#183; 14 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-24-dieta-cetogenica-melhora</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-24-dieta-cetogenica-melhora</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 11 Jul 2026 13:44:11 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!eOMI!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7289ab67-fa39-4cf9-9bd0-c3b76c26e87e_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="258" height="135.046875" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:258,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Boletim MB&quot;,&quot;title&quot;:&quot;Boletim MB&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Boletim MB" title="Boletim MB" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p style="text-align: center;"><strong>&#128300; Os trials que importam pra sua pr&#225;tica e pesquisa<br>&#127942; Curadoria de +400 journals em +35 especialidades, toda semana<br>&#129504; Resumo + ideia de meta-an&#225;lise pronta em 2 minutos de leitura</strong></p><p style="text-align: center;"><strong>&#128101;+4000 m&#233;dicos e estudantes se atualizam com o Boletim MB</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB: <a href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916">Como funciona o Boletim MB</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!boNM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, 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/__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!boNM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Neurologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Neurologia" title="Neurologia" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42405633/">Neuropsychiatric Adverse Events Associated With Foslevodopa/Foscarbidopa Continuous Subcutaneous Infusion in Clinical Practice: A Multicenter Study.</a></strong></h3><p><strong>Journal:</strong> European journal of neurology (2026 Jul)</p><p>Pacientes com doen&#231;a de Parkinson avan&#231;ada em infus&#227;o subcut&#226;nea cont&#237;nua de foslevodopa/foscarbidopa <strong>(P/I)</strong> foram avaliados quanto &#224; incid&#234;ncia e fatores de risco de eventos adversos neuropsiqui&#225;tricos <strong>(O)</strong> em coorte de mundo real. Uma minoria relevante desenvolveu ao menos um evento neuropsiqui&#225;trico, majoritariamente leve-moderado, com poucos casos exigindo remo&#231;&#227;o do dispositivo <strong>(O)</strong>; transtorno do controle de impulsos basal previu eventos relacionados. Suporta uso em pacientes selecionados com monitoramento individualizado.</p><p><strong>Metodologia:</strong> Estudo observacional, prospectivo, multic&#234;ntrico, aberto (registro DATs-PD GETM) | <strong>N:</strong> 214</p><p>&#128161; <strong>Insight:</strong> Foslevodopa/foscarbidopa SC tem dados de ensaios e mundo real crescentes &#8212; candidato a meta-an&#225;lise de eventos neuropsiqui&#225;tricos e reten&#231;&#227;o.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42405633">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42405663/">Diagnostic Value of Neurofilament Light Chain and Glial Fibrillary Acidic Protein in Differentiating Primary From Serious Secondary Headache.</a></strong></h3><p><strong>Journal:</strong> European journal of neurology (2026 Jul)</p><p>Pacientes com cefaleia n&#227;o-traum&#225;tica no pronto-socorro <strong>(P)</strong> tiveram cadeia leve de neurofilamento e prote&#237;na &#225;cida fibrilar glial s&#233;ricas <strong>(I)</strong> avaliadas para diferenciar cefaleia prim&#225;ria de secund&#225;ria grave <strong>(C/O)</strong>. Ambos os biomarcadores foram maiores na cefaleia secund&#225;ria grave, com a prote&#237;na glial mostrando maior sensibilidade e melhor valor preditivo <strong>(O)</strong>. &#201; biomarcador promissor para apoiar a diferencia&#231;&#227;o, aguardando valida&#231;&#227;o em coortes maiores.</p><p><strong>Metodologia:</strong> An&#225;lise secund&#225;ria de estudo prospectivo multic&#234;ntrico de caso-controle | <strong>N:</strong> 82</p><p>&#128161; <strong>Insight:</strong> Biomarcadores s&#233;ricos como triagem de cefaleia secund&#225;ria s&#227;o emergentes &#8212; lacuna para valida&#231;&#227;o; meta-an&#225;lise de acur&#225;cia vi&#225;vel quando houver mais estudos.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42405663">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42402345/">Propionic acid in multiple sclerosis: a phase 2b, double-blind, randomized placebo-controlled trial.</a></strong></h3><p><strong>Journal:</strong> Brain : a journal of neurology (2026 Jul)</p><p>Adultos com esclerose m&#250;ltipla clinicamente est&#225;vel <strong>(P)</strong> foram randomizados para &#225;cido propi&#244;nico <strong>(I)</strong> ou placebo <strong>(C)</strong> por 90 dias, como terapia adjuvante. A cadeia leve de neurofilamento s&#233;rica reduziu significativamente no grupo ativo <strong>(O)</strong>, inclusive em pacientes sob terapias de alta efic&#225;cia, com tend&#234;ncia de melhora na fadiga motora. Sugere atenua&#231;&#227;o de les&#227;o neuroaxonal, apoiando estudos maiores.</p><p><strong>Metodologia:</strong> RCT fase 2b, duplo-cego, placebo-controlado, unic&#234;ntrico | <strong>N:</strong> 101</p><p>&#128161; <strong>Insight:</strong> Suplementa&#231;&#227;o de &#225;cido propi&#244;nico/AGCC em EM &#233; relativamente in&#233;dita como RCT &#8212; mais lacuna para novos ensaios do que meta-an&#225;lise imediata.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42402345">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/42410107/">Radiological and FDG-PET imaging features of Epstein-Barr virus-positive primary central nervous system lymphomas.</a></strong></h3><p><strong>Journal:</strong> Journal of neurology (2026 Jul)</p><p>Pacientes com linfoma prim&#225;rio do SNC associado ao v&#237;rus Epstein-Barr <strong>(P)</strong> foram descritos quanto a caracter&#237;sticas de imagem por resson&#226;ncia e PET-FDG <strong>(I/O)</strong>. Les&#245;es m&#250;ltiplas, realce heterog&#234;neo, hipercelularidade e hemorragia intralesional foram achados frequentes, com hipermetabolismo na maioria dos exames de PET <strong>(O)</strong>. Les&#245;es m&#250;ltiplas necr&#243;ticas e hemorr&#225;gicas s&#227;o o achado mais sugestivo, mas a confirma&#231;&#227;o histol&#243;gica permanece essencial.</p><p><strong>Metodologia:</strong> Estudo descritivo retrospectivo multic&#234;ntrico (2008-2025) | <strong>N:</strong> 58</p><p>&#128161; <strong>Insight:</strong> Imagem do linfoma prim&#225;rio do SNC associado a EBV &#233; rara e pouco caracterizada &#8212; lacuna para s&#233;ries maiores; meta-an&#225;lise prematura.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42410107">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>5. <a href="https://pubmed.ncbi.nlm.nih.gov/42429990/">From measurement to biomarker trajectories: platform-agnostic Z score analysis of serum NfL and GFAP in ocrelizumab-treated multiple sclerosis.</a></strong></h3><p><strong>Journal:</strong> Journal of neurology (2026 Jul)</p><p>Pessoas com esclerose m&#250;ltipla tratadas com ocrelizumabe por pelo menos 12 meses <strong>(P)</strong> tiveram biomarcadores s&#233;ricos de dano neuronal normalizados por Z-score <strong>(I)</strong> para monitoramento agn&#243;stico de plataforma, avaliando trajet&#243;rias em 24 meses <strong>(O)</strong>. Falhar em atingir uma redu&#231;&#227;o relativa relevante no biomarcador aos 12 meses predisse fortemente sua eleva&#231;&#227;o persistente em 24 meses <strong>(O)</strong>. A normaliza&#231;&#227;o por Z-score viabiliza monitoramento agn&#243;stico, com limiar pr&#225;tico de resposta aos 12 meses.</p><p><strong>Metodologia:</strong> An&#225;lise agrupada multic&#234;ntrica (3 coortes alem&#227;s) | <strong>N:</strong> 430</p><p>&#128161; <strong>Insight:</strong> Harmoniza&#231;&#227;o de biomarcadores s&#233;ricos entre plataformas &#233; tema metodol&#243;gico crescente &#8212; candidato a meta-an&#225;lise/cons&#243;rcio de normaliza&#231;&#227;o e limiares de resposta.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42429990">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>6. <a href="https://pubmed.ncbi.nlm.nih.gov/42429976/">Subcutaneous natalizumab administration in relapsing-remitting multiple sclerosis: results of EASIER 2 study.</a></strong></h3><p><strong>Journal:</strong> Journal of neurology (2026 Jul)</p><p>Pessoas com esclerose m&#250;ltipla remitente-recorrente <strong>(P)</strong> tiveram a administra&#231;&#227;o subcut&#226;nea de natalizumabe <strong>(I)</strong> comparada &#224; intravenosa <strong>(C)</strong> quanto a tempos, custos e qualidade de vida <strong>(O)</strong>. A via subcut&#226;nea reduziu de forma marcante o tempo do paciente no centro e os custos hospitalares, com forte prefer&#234;ncia dos pacientes e melhora relevante na qualidade de vida nos dias de aplica&#231;&#227;o <strong>(O)</strong>. Reduz recursos e melhora a experi&#234;ncia do paciente.</p><p><strong>Metodologia:</strong> Estudo observacional, transversal, multic&#234;ntrico (14 centros) | <strong>N:</strong> 265 procedimentos</p><p>&#128161; <strong>Insight:</strong> Via subcut&#226;nea vs intravenosa de terapias em EM tem estudos de custo/qualidade de vida crescentes &#8212; candidato a meta-an&#225;lise de tempos, custos e prefer&#234;ncia.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42429976">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>7. <a href="https://pubmed.ncbi.nlm.nih.gov/42418305/">Contemporary achievement of guideline recommendations for blood pressure management after stroke in the CONVINCE trial.</a></strong></h3><p><strong>Journal:</strong> European stroke journal (2026 Jul)</p><p>Pacientes com AVC isqu&#234;mico/AIT de alto risco recentes de um grande ensaio de preven&#231;&#227;o secund&#225;ria <strong>(P)</strong> foram analisados quanto ao controle press&#243;rico segundo diretrizes <strong>(I/O)</strong>. Uma parcela relevante n&#227;o atingiu as metas de press&#227;o arterial pr&#233;-2022, e a maioria n&#227;o atingiu as metas mais rigorosas atuais <strong>(O)</strong>, com idade, hipertens&#227;o pr&#233;via e AVC lacunar associados &#224; n&#227;o-ades&#227;o. Mais de um ter&#231;o dos participantes n&#227;o alcan&#231;a metas menos rigorosas, exigindo novas abordagens de implementa&#231;&#227;o.</p><p><strong>Metodologia:</strong> An&#225;lise de RCT (colchicina vs cuidado usual), regress&#227;o log&#237;stica multivari&#225;vel | <strong>N:</strong> 3144</p><p>&#128161; <strong>Insight:</strong> Controle press&#243;rico p&#243;s-AVC tem m&#250;ltiplas coortes/ensaios &#8212; forte candidato a meta-an&#225;lise de alcance de metas e preditores de n&#227;o-ades&#227;o.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42418305">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>8. <a href="https://pubmed.ncbi.nlm.nih.gov/42411923/">Individual Variability of CD19+ B-Cell Repopulation in People With Multiple Sclerosis Treated With Extended Interval Dosing of Ocrelizumab.</a></strong></h3><p><strong>Journal:</strong> European journal of neurology (2026 Jul)</p><p>Pessoas com esclerose m&#250;ltipla em dosagem de intervalo estendido guiada por c&#233;lulas B <strong>(P)</strong> tiveram a variabilidade intraindividual da repopula&#231;&#227;o de linf&#243;citos B ap&#243;s ocrelizumabe <strong>(I/O)</strong> avaliada. O tempo at&#233; a reapari&#231;&#227;o de c&#233;lulas B variou muito entre indiv&#237;duos, mas foi bastante est&#225;vel dentro de cada indiv&#237;duo ao longo de doses sucessivas <strong>(O)</strong>. O tempo de repopula&#231;&#227;o &#233; est&#225;vel dentro do indiv&#237;duo, pavimentando dosagem personalizada.</p><p><strong>Metodologia:</strong> Estudo de coorte prospectivo (parte do ensaio BLOOMS) | <strong>N:</strong> 75</p><p>&#128161; <strong>Insight:</strong> Dosagem estendida guiada por c&#233;lulas B de anti-CD20 &#233; tema emergente &#8212; lacuna para valida&#231;&#227;o de longo prazo antes de meta-an&#225;lise.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42411923">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>9. <a href="https://pubmed.ncbi.nlm.nih.gov/42406908/">Combined stent retriever and contact aspiration improves first-line recanalisation but not clinical outcomes: a pooled analysis of the ASTER, ASTER2, and VECTOR trials.</a></strong></h3><p><strong>Journal:</strong> European stroke journal (2026 Jul)</p><p>Pacientes com AVC isqu&#234;mico por oclus&#227;o de grande vaso anterior <strong>(P)</strong> foram comparados quanto &#224; trombectomia de primeira linha combinada (stent retriever + aspira&#231;&#227;o de contato) <strong>(I)</strong> versus aspira&#231;&#227;o ou stent isolados <strong>(C)</strong> nesta an&#225;lise agrupada. A abordagem combinada aumentou a recanaliza&#231;&#227;o favor&#225;vel de primeira linha sem necessidade de resgate <strong>(O)</strong>, mas sem diferen&#231;a em desfechos cl&#237;nicos, NIHSS ou eventos adversos em 90 dias. Melhora a recanaliza&#231;&#227;o de primeira passagem, sem benef&#237;cio cl&#237;nico detect&#225;vel.</p><p><strong>Metodologia:</strong> An&#225;lise agrupada de dados individuais de 3 RCTs multic&#234;ntricos (ASTER, ASTER2, VECTOR) | <strong>N:</strong> 1185</p><p>&#128161; <strong>Insight:</strong> T&#233;cnicas de trombectomia (combinada vs isolada) t&#234;m v&#225;rios RCTs &#8212; forte candidato a meta-an&#225;lise de recanaliza&#231;&#227;o e desfecho funcional.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42406908">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!avDp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!avDp!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Cardiologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Cardiologia" title="Cardiologia" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42419438/">Comparative effectiveness of torsemide vs furosemide in the management of heart failure patients: win-ratio reanalysis of the TRANSFORM-HF trial.</a></strong></h3><p><strong>Journal:</strong> American heart journal (2026 Jul)</p><p>Pacientes hospitalizados por insufici&#234;ncia card&#237;aca do TRANSFORM-HF <strong>(P)</strong> foram reanalisados comparando torsemida <strong>(I)</strong> versus furosemida <strong>(C)</strong> por meio de win-ratio hier&#225;rquico integrando mortalidade, re-hospitaliza&#231;&#245;es e qualidade de vida <strong>(O)</strong>. N&#227;o houve diferen&#231;a significativa entre os diur&#233;ticos de al&#231;a pelo win-ratio ajustado. O novo arcabou&#231;o decomp&#244;s os dom&#237;nios de desfecho, mas n&#227;o estabeleceu superioridade de qualquer estrat&#233;gia.</p><p><strong>Metodologia:</strong> An&#225;lise secund&#225;ria (win-ratio) de RCT pragm&#225;tico, aberto, multic&#234;ntrico | <strong>N:</strong> 2859</p><p>&#128161; <strong>Insight:</strong> Compara&#231;&#227;o torsemida vs furosemida tem outros estudos &#8212; candidato a meta-an&#225;lise, embora o TRANSFORM-HF domine o corpo de evid&#234;ncia.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42419438">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div>
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          </a>
      </p>
   ]]></content:encoded></item><item><title><![CDATA[O que saiu na medicina em junho]]></title><description><![CDATA[&#128161;Fique por dentro dos highligths da pesquisa m&#233;dica]]></description><link>https://boletimmb.substack.com/p/o-que-saiu-na-medicina-em-junho</link><guid isPermaLink="false">https://boletimmb.substack.com/p/o-que-saiu-na-medicina-em-junho</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Fri, 10 Jul 2026 21:37:54 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="310" height="162.265625" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:310,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png (1024&#215;536)&quot;,&quot;title&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 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/__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><h3><strong>Junho foi mais um m&#234;s cheio de trials importantes , e o </strong><em><strong>Boletim MB</strong></em><strong> trouxe tudo isso direto na sua caixa de entrada, toda semana.</strong></h3><p>Caso tenha perdido alguma edi&#231;&#227;o (ou queira reler com mais calma), aqui est&#227;o todos os links:</p><div class="digest-post-embed" data-attrs="{&quot;nodeId&quot;:&quot;6ce56d2f-4935-4783-9369-502fb97c4ed3&quot;,&quot;caption&quot;:&quot;&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real&quot;,&quot;cta&quot;:null,&quot;showBylines&quot;:true,&quot;showDescription&quot;:true,&quot;showImage&quot;:true,&quot;size&quot;:&quot;md&quot;,&quot;isEditorNode&quot;:true,&quot;title&quot;:&quot;Boletim #19 &#183; Daraxonrasib DOBRA a sobrevida no c&#226;ncer de p&#226;ncreas metast&#225;tico?&quot;,&quot;publishedBylines&quot;:[{&quot;id&quot;:455758710,&quot;name&quot;:&quot;Boletim MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-06-06T17:42:30.316Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!kmWD!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa0827a90-136a-4136-95b3-bbfc1d89b407_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/boletim-19-daraxonrasib-dobra-a-sobrevida&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:200893145,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:0,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim MB &#128233;&quot;,&quot;publication_logo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!attH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png&quot;,&quot;belowTheFold&quot;:false,&quot;youtube_url&quot;:null,&quot;show_links&quot;:null,&quot;feed_url&quot;:null}"></div><div class="digest-post-embed" data-attrs="{&quot;nodeId&quot;:&quot;98952500-e1c4-4258-b2fa-c7acb336f6a7&quot;,&quot;caption&quot;:&quot;&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real&quot;,&quot;cta&quot;:null,&quot;showBylines&quot;:true,&quot;showDescription&quot;:true,&quot;showImage&quot;:true,&quot;size&quot;:&quot;md&quot;,&quot;isEditorNode&quot;:true,&quot;title&quot;:&quot;Boletim #20 &#183; Vitamina C intravenosa PIORA a sobrevida em queimados graves?&quot;,&quot;publishedBylines&quot;:[{&quot;id&quot;:455758710,&quot;name&quot;:&quot;Boletim MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-06-13T19:09:54.669Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!f5Qp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64143666-a622-428b-90d2-84daa2707ac8_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/boletim-20-vitamina-c-intravenosa&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:201900462,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:0,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim MB &#128233;&quot;,&quot;publication_logo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!attH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png&quot;,&quot;belowTheFold&quot;:false,&quot;youtube_url&quot;:null,&quot;show_links&quot;:null,&quot;feed_url&quot;:null}"></div><div class="digest-post-embed" data-attrs="{&quot;nodeId&quot;:&quot;9ded903c-1365-41ea-86ff-ff42375cad1f&quot;,&quot;caption&quot;:&quot;&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real&quot;,&quot;cta&quot;:null,&quot;showBylines&quot;:true,&quot;showDescription&quot;:true,&quot;showImage&quot;:true,&quot;size&quot;:&quot;md&quot;,&quot;isEditorNode&quot;:true,&quot;title&quot;:&quot;Boletim #21 &#183; Metformina n&#227;o reduz multimorbidade em pr&#233;-diab&#233;ticos?&quot;,&quot;publishedBylines&quot;:[{&quot;id&quot;:455758710,&quot;name&quot;:&quot;Boletim MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-06-20T19:33:23.669Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!1wNA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F788915c6-9478-4661-b83f-2d32bd9299f3_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/boletim-21-metformina-nao-reduz-multimorbidade&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:202874888,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:1,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim MB &#128233;&quot;,&quot;publication_logo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!attH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png&quot;,&quot;belowTheFold&quot;:false,&quot;youtube_url&quot;:null,&quot;show_links&quot;:null,&quot;feed_url&quot;:null}"></div><div class="digest-post-embed" data-attrs="{&quot;nodeId&quot;:&quot;0637f1b2-0756-49ac-b7aa-938d9177a157&quot;,&quot;caption&quot;:&quot;&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real&quot;,&quot;cta&quot;:null,&quot;showBylines&quot;:true,&quot;showDescription&quot;:true,&quot;showImage&quot;:true,&quot;size&quot;:&quot;md&quot;,&quot;isEditorNode&quot;:true,&quot;title&quot;:&quot;Boletim #22 &#183; Ivonescimabe aumenta a sobrevida no c&#226;ncer de pulm&#227;o?&quot;,&quot;publishedBylines&quot;:[{&quot;id&quot;:455758710,&quot;name&quot;:&quot;Boletim MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-06-27T17:39:00.060Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!7jKK!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F314db8dc-4a14-4540-8d02-f23e62bbf0ea_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/boletim-22-ivonescimabe-aumenta-a&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:203859587,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:2,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim MB &#128233;&quot;,&quot;publication_logo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!attH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png&quot;,&quot;belowTheFold&quot;:false,&quot;youtube_url&quot;:null,&quot;show_links&quot;:null,&quot;feed_url&quot;:null}"></div><h1 style="text-align: center;"><strong>Ainda n&#227;o &#233; assinante?</strong></h1><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!TkLB!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5ec8eb1e-c97d-401b-a39e-7a952aa19523_1177x692.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!TkLB!, /__u/boletimmb.substack.com/w_424, 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/__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5ec8eb1e-c97d-401b-a39e-7a952aa19523_1177x692.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 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seguir:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/subscribe?coupon=af753d33&amp;utm_content=206504909&quot;,&quot;text&quot;:&quot;Sim, eu quero testar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/subscribe?coupon=af753d33&amp;utm_content=206504909"><span>Sim, eu quero testar o Boletim MB</span></a></p><h1><strong>O que um dos nossos leitores disse</strong></h1><p><strong>Se um estudante com mais de 30 publica&#231;&#245;es no PubMed te desse um conselho, voc&#234; aceitaria?</strong></p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!t8tz!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbcde4494-a221-4204-a022-22be299c8be7_1920x714.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!t8tz!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbcde4494-a221-4204-a022-22be299c8be7_1920x714.png 424w, /__u/substackcdn.com/image/fetch/$s_!t8tz!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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src="/__u/substackcdn.com/image/fetch/$s_!t8tz!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbcde4494-a221-4204-a022-22be299c8be7_1920x714.png" width="1456" height="541" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/bcde4494-a221-4204-a022-22be299c8be7_1920x714.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:541,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:953331,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!t8tz!, 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/__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbcde4494-a221-4204-a022-22be299c8be7_1920x714.png 1272w, /__u/substackcdn.com/image/fetch/$s_!t8tz!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbcde4494-a221-4204-a022-22be299c8be7_1920x714.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>O Boletim re&#250;ne tudo, filtra o que importa, e entrega junto com o gap de pesquisa que o estudo abre.</p><p><strong>&#128073;Teste por 30 dias no link a seguir:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/subscribe?coupon=af753d33&amp;utm_content=206504909&quot;,&quot;text&quot;:&quot;Sim, eu quero testar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/subscribe?coupon=af753d33&amp;utm_content=206504909"><span>Sim, eu quero testar o Boletim MB</span></a></p>]]></content:encoded></item><item><title><![CDATA[Boletim #23 · Prótese de dupla mobilidade reduz 3x a luxação do quadril?]]></title><description><![CDATA[91 trials triados &#183; 25 especialidades &#183; 10 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-22-protese-de-dupla-mobilidade</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-22-protese-de-dupla-mobilidade</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 04 Jul 2026 16:40:24 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!vcUl!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2a36f644-21b6-4178-8dbf-416bf2a71583_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, 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/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="314" height="164.359375" 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/__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p style="text-align: center;"><strong><span>&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real</span><br><span>&#127942; Curadoria de +400 journals em +35 especialidades</span><br><span>&#129504; Resumos claros e r&#225;pidos + insights para meta-an&#225;lise</span><br><span>&#128640; Base para novos projetos e publica&#231;&#245;es cient&#237;ficas</span></strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p style="text-align: center;"><strong>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916&quot;,&quot;text&quot;:&quot;Guia pr&#225;tico: como usar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916"><span>Guia pr&#225;tico: como usar o Boletim MB</span></a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!boNM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!boNM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Neurologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Neurologia" title="Neurologia" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42378499/">Clinical characteristics and outcomes of intracerebral haemorrhage in young vs older adults: insights from the INTERACT3 trial.</a></strong></h3><p><strong>Journal:</strong> European stroke journal (2026 Jun)</p><p>Uma an&#225;lise secund&#225;ria do INTERACT3 comparou pacientes jovens (&#8804;50 anos) com pacientes mais velhos com hemorragia intracerebral (HIC) <strong>(P)</strong>, observando que os jovens apresentavam um perfil de risco distinto e desfechos significativamente melhores <strong>(O)</strong>, com menor mortalidade (9,1% vs 16,6%) e menor taxa de morte ou incapacidade <strong>(O)</strong>. Esses resultados destacam a necessidade de estrat&#233;gias de manejo e preven&#231;&#227;o adaptadas para HIC em popula&#231;&#245;es mais jovens.</p><p><strong>Metodologia:</strong> An&#225;lise secund&#225;ria de um ensaio cl&#237;nico cluster-randomizado stepped-wedge. | <strong>N:</strong> 7031</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; outros estudos observacionais e sub-an&#225;lises de RCTs comparando desfechos de HIC entre diferentes faixas et&#225;rias. Uma meta-an&#225;lise poderia quantificar as diferen&#231;as de mortalidade e desfechos funcionais entre jovens e idosos com HIC e explorar fatores progn&#243;sticos associados.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42378499">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42361222/">Procedure time and 90-day outcomes after endovascular thrombectomy for large-core stroke.</a></strong></h3><p><strong>Journal:</strong> European stroke journal (2026 Jun)</p><p>Uma an&#225;lise observacional multic&#234;ntrica em pacientes com oclus&#227;o de grandes vasos e infarto de n&#250;cleo extenso submetidos &#224; trombectomia endovascular <strong>(P)</strong> revelou que cada aumento de 10 minutos no tempo de procedimento <strong>(I)</strong> foi associado a uma menor probabilidade de desfecho funcional favor&#225;vel (mRS 0-3) e maior mortalidade <strong>(O)</strong>. A rela&#231;&#227;o foi cont&#237;nua, sem um ponto de inflex&#227;o n&#227;o linear claro, sugerindo que o tempo de procedimento &#233; um indicador de risco intraprocedural progressivo.</p><p><strong>Metodologia:</strong> An&#225;lise observacional retrospectiva de um registro prospectivo multic&#234;ntrico. | <strong>N:</strong> 490</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; outros estudos de coorte e registros que avaliaram o impacto do tempo de procedimento na trombectomia. Uma meta-an&#225;lise pode consolidar a rela&#231;&#227;o dose-resposta entre o tempo de procedimento e desfechos cl&#237;nicos e de seguran&#231;a na trombectomia endovascular para AVC isqu&#234;mico.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42361222">&#128270; Ver estudos semelhantes no PubMed</a></p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42387846/">Direct Thrombectomy vs. Combined Treatment With Intravenous Thrombolysis in the Extended Time Window: A Target Trial Emulation.</a></strong></h3><p><strong>Journal:</strong> European journal of neurology (2026 Jul)</p><p>Nesta emula&#231;&#227;o de ensaio cl&#237;nico, a trombectomia mec&#226;nica direta (MT) <strong>(I)</strong> n&#227;o foi n&#227;o-inferior ao tratamento combinado com tromb&#243;lise intravenosa (IVT) + MT <strong>(C)</strong> para pacientes com AVC por oclus&#227;o de grandes vasos na janela de tempo estendida (al&#233;m de 4,5h ou AVC ao despertar) <strong>(P)</strong>. O tratamento com IVT antes da MT resultou em taxas mais altas de recanaliza&#231;&#227;o bem-sucedida <strong>(O)</strong>, mas as taxas de desfecho funcional favor&#225;vel, hemorragia intracerebral sintom&#225;tica e mortalidade foram similares entre os grupos.</p><p><strong>Metodologia:</strong> Emula&#231;&#227;o de ensaio cl&#237;nico (retrospectivo). | <strong>N:</strong> 347</p><p>&#128161; <strong>Insight:</strong> Provavelmente h&#225; outros estudos comparando trombectomia direta vs. terapia combinada (IVT+MT) na janela de tempo estendida. Uma meta-an&#225;lise seria valiosa para consolidar a evid&#234;ncia sobre a n&#227;o-inferioridade da trombectomia direta versus o tratamento combinado nesta popula&#231;&#227;o.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42387846">&#128270; Ver estudos semelhantes no PubMed</a></p>
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #22 · Ivonescimabe aumenta a sobrevida no câncer de pulmão?]]></title><description><![CDATA[89 trials triados &#183; 25 especialidades &#183; 12 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-22-ivonescimabe-aumenta-a</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-22-ivonescimabe-aumenta-a</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 27 Jun 2026 17:39:00 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!7jKK!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F314db8dc-4a14-4540-8d02-f23e62bbf0ea_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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/__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p style="text-align: center;"><strong>&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real<br>&#127942; Curadoria de +400 journals em +35 especialidades<br>&#129504; Resumos claros e r&#225;pidos + insights para meta-an&#225;lise<br>&#128640; Base para novos projetos e publica&#231;&#245;es cient&#237;ficas</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p><strong>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB: <a href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916">Como funciona o Boletim MB</a></strong></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!boNM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!boNM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Neurologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Neurologia" title="Neurologia" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42348803/">Dual Antiplatelet Therapy and Immediate Intensive Statin in Mild Ischemic Stroke: A Randomized Trial.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Jul)</p><p>Em pacientes com AVC isqu&#234;mico leve ou AIT de causa ateroscler&#243;tica <strong>(P)</strong>, a terapia dupla antiplaquet&#225;ria (clopidogrel-aspirina) <strong>(I)</strong> comparada &#224; aspirina isolada <strong>(C)</strong> reduziu o risco de novo AVC em 90 dias <strong>(O)</strong>, principalmente impulsionada pela DAPT. O tratamento combinado teve um baixo, mas aumentado, risco de sangramento moderado a grave <strong>(O)</strong>, e n&#227;o houve diferen&#231;a significativa entre estatina intensiva imediata ou tardia <strong>(I/C)</strong>.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado, duplo-cego, controlado por placebo, com desenho fatorial 2x2, multic&#234;ntrico | <strong>N:</strong> 6100</p><p>&#128161; <strong>Insight:</strong> Provavelmente existem v&#225;rios RCTs avaliando DAPT e estatina em AVC isqu&#234;mico agudo. Uma meta-an&#225;lise pode focar no efeito combinado da DAPT com diferentes regimes de estatina na preven&#231;&#227;o de novo AVC e risco de sangramento, refinando recomenda&#231;&#245;es para subgrupos de risco.</p><p><a href="https://pubmed.ncbi.nlm.nih.gov/?linkname=pubmed_pubmed&amp;from_uid=42348803">&#128270; Ver estudos semelhantes no PubMed</a></p>
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #21 · Metformina não reduz multimorbidade em pré-diabéticos?]]></title><description><![CDATA[96 trials triados &#183; 26 especialidades &#183; 13 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-21-metformina-nao-reduz-multimorbidade</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-21-metformina-nao-reduz-multimorbidade</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 20 Jun 2026 19:33:23 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!1wNA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F788915c6-9478-4661-b83f-2d32bd9299f3_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="314" height="164.359375" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:314,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p style="text-align: center;"><strong><span>&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real</span><br><span>&#127942; Curadoria de +400 journals em +35 especialidades</span><br><span>&#129504; Resumos claros e r&#225;pidos + insights para meta-an&#225;lise</span><br><span>&#128640; Base para novos projetos e publica&#231;&#245;es cient&#237;ficas</span></strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p style="text-align: center;"><strong>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916&quot;,&quot;text&quot;:&quot;Guia pr&#225;tico: como usar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916"><span>Guia pr&#225;tico: como usar o Boletim MB</span></a></p>
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #20 · Vitamina C intravenosa PIORA a sobrevida em queimados graves?]]></title><description><![CDATA[84 trials triados &#183; 26 especialidades &#183; 15 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-20-vitamina-c-intravenosa</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-20-vitamina-c-intravenosa</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 13 Jun 2026 19:09:54 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!f5Qp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64143666-a622-428b-90d2-84daa2707ac8_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="314" height="164.359375" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:314,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p style="text-align: center;"><strong>&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real<br>&#127942; Curadoria de +400 journals em +35 especialidades<br>&#129504; Resumos claros e r&#225;pidos + insights para meta-an&#225;lise<br>&#128640; Base para novos projetos e publica&#231;&#245;es cient&#237;ficas</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p style="text-align: center;"><strong>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916&quot;,&quot;text&quot;:&quot;Guia pr&#225;tico: como usar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916"><span>Guia pr&#225;tico: como usar o Boletim MB</span></a></p><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!boNM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!boNM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Neurologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Neurologia" title="Neurologia" srcset="/__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!boNM!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f6fc549-76bd-497f-a7c8-93c240f44812_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42258192/">Personalized Blood Pressure Targeting After Endovascular Therapy for Acute Ischemic Stroke: A Randomized Clinical Trial.</a></strong></h3><p><strong>Journal:</strong> JAMA neurology (2026 Jun)</p><p>Em um RCT multic&#234;ntrico com 440 <strong>(P)</strong> pacientes, uma estrat&#233;gia de press&#227;o arterial sist&#243;lica guiada por reperfus&#227;o (100-160 mmHg dependendo do mTICI) <strong>(I)</strong> ap&#243;s trombectomia mec&#226;nica bem-sucedida para AVC isqu&#234;mico agudo, comparada ao manejo padr&#227;o (&lt;180 mmHg) <strong>(C)</strong>, resultou em melhor desfecho funcional (mRS 0-2) em 60% vs 47,1% aos 90 dias (P=0.005) <strong>(O)</strong> e menor taxa de transforma&#231;&#227;o hemorr&#225;gica. Este achado apoia uma abordagem personalizada no manejo da PA p&#243;s-trombectomia, melhorando os resultados cl&#237;nicos.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado, prospectivo, aberto, com avalia&#231;&#227;o cega de desfecho (RCT). | <strong>N:</strong> 440</p><p>&#128161; <strong>Insight:</strong> Contribui diretamente para uma meta-an&#225;lise existente ou futura sobre metas de press&#227;o arterial p&#243;s-trombectomia em AVC isqu&#234;mico agudo, consolidando evid&#234;ncias para estrat&#233;gias guiadas por reperfus&#227;o.</p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/42269124/">Effectiveness of Immediate Angioplasty or Stenting on Functional Outcomes in Acute Ischemic Stroke With Severe Intracranial Stenosis.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Jul)</p><p>Este estudo retrospectivo com 242 <strong>(P)</strong> pacientes com AVC isqu&#234;mico agudo e estenose intracraniana grave sem oclus&#227;o investigou a angioplastia ou stenting imediato <strong>(I)</strong> comparado ao tratamento m&#233;dico padr&#227;o <strong>(C)</strong>. O grupo de interven&#231;&#227;o endovascular <strong>(I)</strong> mostrou uma melhora significativa nos resultados funcionais em 90 dias (OR ajustado 2.73; p=0.001) <strong>(O)</strong>, sem diferen&#231;a nas taxas de hemorragia intracraniana sintom&#225;tica ou mortalidade. Isso sugere que a interven&#231;&#227;o precoce &#233; eficaz para melhorar os desfechos em pacientes selecionados.</p><p><strong>Metodologia:</strong> Estudo de coorte retrospectivo multic&#234;ntrico. | <strong>N:</strong> 242</p><p>&#128161; <strong>Insight:</strong> Abre lacuna para uma revis&#227;o sistem&#225;tica ou ensaio cl&#237;nico prospectivo para investigar a efic&#225;cia da angioplastia ou stenting imediato em AVC isqu&#234;mico agudo com estenose intracraniana grave sem oclus&#227;o.</p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42283072/">Tirofiban for Reduction of TEAR: A Phase 2, Randomized, Open-Label, Blinded End Point, Controlled Trial.</a></strong></h3><p><strong>Journal:</strong> Stroke (2026 Jun)</p><p>Em um estudo de fase 2 randomizado com 191 <strong>(P)</strong> pacientes com aneurismas intracranianos n&#227;o-rotos submetidos &#224; terapia neurointervencionista, tirofiban intravenoso profil&#225;tico combinado com terapia antiplaquet&#225;ria dupla <strong>(I)</strong> reduziu significativamente o volume mediano de novos infartos (48.6 vs 88.2 mm&#179;) em 48 horas p&#243;s-procedimento <strong>(O)</strong>, comparado &#224; terapia antiplaquet&#225;ria dupla isolada <strong>(C)</strong>, sem aumentar as complica&#231;&#245;es hemorr&#225;gicas. Estes achados sugerem um potencial neuroprotetor do tirofiban, justificando valida&#231;&#227;o em ensaios de maior escala.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado, prospectivo, aberto, com avalia&#231;&#227;o cega de desfecho (RCT), fase 2. | <strong>N:</strong> 191</p><p>&#128161; <strong>Insight:</strong> Contribui para uma meta-an&#225;lise sobre o uso profil&#225;tico de tirofiban ou outros inibidores de glicoprote&#237;na IIb/IIIa na preven&#231;&#227;o de eventos tromboemb&#243;licos ap&#243;s o tratamento endovascular de aneurismas intracranianos n&#227;o-rotos.</p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/42139653/">Autoimmune Encephalitis as Treatment-Responsive Cause of Rapidly Progressive Dementia: A Multicenter Prospective Cohort Study.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Jun)</p><p>Este estudo de coorte prospectivo multic&#234;ntrico com 147 <strong>(P)</strong> pacientes com dem&#234;ncia rapidamente progressiva (DRP) revelou que a encefalite autoimune (EA) foi a causa mais comum responsiva ao tratamento (39% do total). Pacientes com EA-DRP <strong>(P)</strong> frequentemente apresentavam convuls&#245;es (34% vs 10% em outras causas de DRP, p&lt;0.001) <strong>(O)</strong> ou, na aus&#234;ncia de convuls&#245;es, psicose ou dist&#250;rbios de movimento, destacando a import&#226;ncia do reconhecimento precoce de subfen&#243;tipos para interven&#231;&#227;o imunoterap&#234;utica.</p><p><strong>Metodologia:</strong> Estudo de coorte observacional prospectivo multic&#234;ntrico. | <strong>N:</strong> 147</p><p>&#128161; <strong>Insight:</strong> Contribui para uma revis&#227;o sistem&#225;tica sobre a preval&#234;ncia, caracter&#237;sticas cl&#237;nicas e subfen&#243;tipos da encefalite autoimune como causa de dem&#234;ncia rapidamente progressiva, auxiliando na identifica&#231;&#227;o de marcadores diagn&#243;sticos precoces.</p><div><hr></div><h3><strong>5. <a href="https://pubmed.ncbi.nlm.nih.gov/42267436/">Remote Ischemic Postconditioning in Endovascular Thrombectomy for Stroke: The EnTRIPS Randomized Clinical Trial.</a></strong></h3><p><strong>Journal:</strong> Stroke (2026 Jun)</p><p>O ensaio cl&#237;nico randomizado EnTRIPS, com 268 <strong>(P)</strong> pacientes com AVC isqu&#234;mico agudo submetidos a trombectomia endovascular e recanaliza&#231;&#227;o bem-sucedida, avaliou o p&#243;s-condicionamento isqu&#234;mico remoto (RIPC) <strong>(I)</strong> versus terapia padr&#227;o <strong>(C)</strong>. O RIPC <strong>(I)</strong>, administrado por 7 dias ap&#243;s o EVT, foi seguro, mas n&#227;o melhorou significativamente a independ&#234;ncia funcional (mRS 0-2) aos 90 dias (RR ajustado 1.07; p=0.46) <strong>(O)</strong>, indicando que esta estrat&#233;gia n&#227;o confere benef&#237;cio neuroprotetor significativo.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado, controlado, prospectivo, cego para o avaliador de desfecho (RCT). | <strong>N:</strong> 268</p><p>&#128161; <strong>Insight:</strong> Contribui para uma meta-an&#225;lise sobre a efic&#225;cia do p&#243;s-condicionamento isqu&#234;mico remoto como terapia adjuvante ap&#243;s trombectomia endovascular para AVC isqu&#234;mico agudo, fornecendo evid&#234;ncias de aus&#234;ncia de benef&#237;cio.</p><div><hr></div><h3><strong>6. <a href="https://pubmed.ncbi.nlm.nih.gov/42096672/">IV Fosphenytoin for Acute Trigeminal Neuralgia: A Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Jun)</p><p>Um ensaio cl&#237;nico randomizado avaliou a fensito&#237;na intravenosa <strong>(I)</strong> versus placebo <strong>(C)</strong> em pacientes <strong>(P)</strong> com exacerba&#231;&#245;es agudas de neuralgia do trig&#234;meo (NRS &#8805;5). A fensito&#237;na reduziu significativamente a dor, a frequ&#234;ncia de ataques e aumentou a propor&#231;&#227;o de pacientes com melhora &#8805;50% da dor <strong>(O)</strong> em 120 minutos, indicando ser uma op&#231;&#227;o de tratamento r&#225;pido e bem tolerado para esses casos. Embora os achados sejam preliminares devido &#224; pequena amostra, o tratamento com fensito&#237;na IV se mostra promissor.</p><p><strong>Metodologia:</strong> Multicenter, Randomized, Double-Blind, Placebo-Controlled Phase 3 Trial (RCT). | <strong>N:</strong> 21</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui para a hip&#243;tese de que a fensito&#237;na IV pode ser eficaz na neuralgia do trig&#234;meo aguda e pode ser inclu&#237;do em uma futura revis&#227;o sistem&#225;tica sobre terapias de resgate farmacol&#243;gicas para exacerba&#231;&#245;es agudas da condi&#231;&#227;o.</p><div><hr></div><h3><strong>7. <a href="https://pubmed.ncbi.nlm.nih.gov/42274784/">Acute non-alcoholic caffeinated beverage consumption as a trigger for cryptogenic ischemic stroke in the young: findings from the SECRETO study.</a></strong></h3><p><strong>Journal:</strong> Journal of neurology (2026 Jun)</p><p>Este estudo de caso-controle investigou o consumo agudo de bebidas cafeinadas <strong>(I)</strong> como gatilho para AVC isqu&#234;mico criptog&#234;nico <strong>(O)</strong> em jovens <strong>(P)</strong> (18-49 anos). A an&#225;lise de caso-crossover revelou associa&#231;&#227;o significativa com o consumo de caf&#233;, ch&#225; e cola nas 1-2 horas precedentes ao evento, sugerindo que essas bebidas podem atuar como gatilhos em pacientes mais jovens com AVC criptog&#234;nico. As associa&#231;&#245;es foram mantidas em diversas subgrupos, consolidando o achado.</p><p><strong>Metodologia:</strong> Multicenter, Case-Control Study (Case-Crossover analysis). | <strong>N:</strong> 598</p><p>&#128161; <strong>Insight:</strong> Os dados podem ser utilizados em uma futura meta-an&#225;lise ou revis&#227;o sistem&#225;tica sobre fatores de risco agudos ou gatilhos para AVC em jovens, especificamente investigando a associa&#231;&#227;o com o consumo de cafe&#237;na.</p><div><hr></div><h3><strong>8. <a href="https://pubmed.ncbi.nlm.nih.gov/42139655/">Neurobehavioral Profiles in Young Steroid-Naive Boys With Duchenne Muscular Dystrophy: A Baseline Data Analysis From the FOR-DMD Trial.</a></strong></h3><p><strong>Journal:</strong> Neurology (2026 Jun)</p><p>Esta an&#225;lise de dados basais do ensaio FOR-DMD caracterizou o perfil neurocomportamental de meninos jovens, virgens de esteroides, com distrofia muscular de Duchenne <strong>(P)</strong> (4 a &lt;8 anos). Cerca de 40% apresentaram dificuldades de fala e 25% dificuldades de aprendizado <strong>(O)</strong>, com pontua&#231;&#245;es de escalas neurocomportamentais fortemente correlacionadas, ressaltando a import&#226;ncia do rastreamento psicossocial precoce e interven&#231;&#245;es direcionadas para essas comorbidades.</p><p><strong>Metodologia:</strong> Baseline Cross-sectional Neurobehavioral Analysis (Multinational Clinical Trial data). | <strong>N:</strong> 196</p><p>&#128161; <strong>Insight:</strong> Os resultados fornecem dados basais valiosos para futuras meta-an&#225;lises ou revis&#245;es sistem&#225;ticas sobre o perfil neurocomportamental e a preval&#234;ncia de dificuldades de fala e aprendizado em meninos com DMD, especialmente naqueles ainda n&#227;o tratados com esteroides.</p>
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #19 · Daraxonrasib DOBRA a sobrevida no câncer de pâncreas metastático?]]></title><description><![CDATA[268 trials triados &#183; 33 especialidades &#183; 15 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-19-daraxonrasib-dobra-a-sobrevida</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-19-daraxonrasib-dobra-a-sobrevida</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 06 Jun 2026 17:42:30 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!kmWD!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa0827a90-136a-4136-95b3-bbfc1d89b407_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="314" height="164.359375" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:314,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p style="text-align: center;"><strong>&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real<br>&#127942; Curadoria de +400 journals em +35 especialidades<br>&#129504; Resumos claros e r&#225;pidos + insights para meta-an&#225;lise<br>&#128640; Base para novos projetos e publica&#231;&#245;es cient&#237;ficas</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p style="text-align: center;"><strong>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916&quot;,&quot;text&quot;:&quot;Guia pr&#225;tico: como usar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916"><span>Guia pr&#225;tico: como usar o Boletim MB</span></a></p>
      <p>
          <a href="/__u/boletimmb.substack.com/p/boletim-19-daraxonrasib-dobra-a-sobrevida">
              Read more
          </a>
      </p>
   ]]></content:encoded></item><item><title><![CDATA[O que saiu na medicina em maio]]></title><description><![CDATA[&#128161;Fique por dentro dos highligths da pesquisa m&#233;dica]]></description><link>https://boletimmb.substack.com/p/o-que-saiu-na-medicina-em-maio</link><guid isPermaLink="false">https://boletimmb.substack.com/p/o-que-saiu-na-medicina-em-maio</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Wed, 03 Jun 2026 12:02:32 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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src="/__u/substackcdn.com/image/fetch/$s_!cKKs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" width="310" height="162.265625" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:536,&quot;width&quot;:1024,&quot;resizeWidth&quot;:310,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png (1024&#215;536)&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png (1024&#215;536)" title="https://substack-post-media.s3.amazonaws.com/public/images/1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png (1024&#215;536)" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, 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fetchpriority="high"></picture><div></div></div></a></figure></div><h3><strong>Maio foi mais um m&#234;s cheio de trials importantes , e o </strong><em><strong>Boletim MB</strong></em><strong> trouxe tudo isso direto na sua caixa de entrada, toda semana, sem enrola&#231;&#227;o.</strong></h3><p>Caso tenha perdido alguma edi&#231;&#227;o (ou queira reler com mais calma), aqui est&#227;o todos os links:</p><div class="digest-post-embed" data-attrs="{&quot;nodeId&quot;:&quot;672923a8-0c52-4076-a14d-068a99b691c1&quot;,&quot;caption&quot;:&quot;&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real&quot;,&quot;cta&quot;:null,&quot;showBylines&quot;:true,&quot;showDescription&quot;:true,&quot;showImage&quot;:true,&quot;size&quot;:&quot;sm&quot;,&quot;isEditorNode&quot;:true,&quot;title&quot;:&quot;Boletim #14 &#183; Fosfomicina vs. nitrofuranto&#237;na: qual a melhor para ITU 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MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-05-16T13:42:52.040Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!dDy8!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec32304-71c4-4729-a7ad-e55ff9aedcdd_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/boletim-16-tirzepatida-e-obesidade&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:197985843,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:1,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim MB &#128233;&quot;,&quot;publication_logo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!attH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png&quot;,&quot;belowTheFold&quot;:false,&quot;youtube_url&quot;:null,&quot;show_links&quot;:null,&quot;feed_url&quot;:null}"></div><div class="digest-post-embed" data-attrs="{&quot;nodeId&quot;:&quot;f6653418-dcb9-49cc-b3ba-6f3f1e6a51a1&quot;,&quot;caption&quot;:&quot;&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real&quot;,&quot;cta&quot;:null,&quot;showBylines&quot;:true,&quot;showDescription&quot;:true,&quot;showImage&quot;:true,&quot;size&quot;:&quot;sm&quot;,&quot;isEditorNode&quot;:true,&quot;title&quot;:&quot;Boletim #17 &#183; Crian&#231;a chiando na emerg&#234;ncia: ainda faz sentido prescrever azitromicina?&quot;,&quot;publishedBylines&quot;:[{&quot;id&quot;:455758710,&quot;name&quot;:&quot;Boletim MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-05-23T17:30:00.778Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!II1f!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4aa4f87d-58a5-4e83-9d09-acbf28df50bf_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/boletim-17-crianca-chiando-na-emergencia&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:198962584,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:0,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim 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Os trials de fase 3 chegaram&quot;,&quot;publishedBylines&quot;:[{&quot;id&quot;:455758710,&quot;name&quot;:&quot;Boletim MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-05-30T14:55:49.024Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!BNpA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa8c2a705-2f71-4d9d-a33c-75100d95dcaa_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/boletim-18-semaglutida-pode-frear&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:199873855,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:0,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim MB &#128233;&quot;,&quot;publication_logo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!attH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png&quot;,&quot;belowTheFold&quot;:false,&quot;youtube_url&quot;:null,&quot;show_links&quot;:null,&quot;feed_url&quot;:null}"></div><h1 style="text-align: center;"><strong>Ainda n&#227;o &#233; assinante?</strong></h1><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!TkLB!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5ec8eb1e-c97d-401b-a39e-7a952aa19523_1177x692.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!TkLB!, /__u/boletimmb.substack.com/w_424, 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/__u/substackcdn.com/image/fetch/$s_!TkLB!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5ec8eb1e-c97d-401b-a39e-7a952aa19523_1177x692.png 848w, /__u/substackcdn.com/image/fetch/$s_!TkLB!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5ec8eb1e-c97d-401b-a39e-7a952aa19523_1177x692.png 1272w, /__u/substackcdn.com/image/fetch/$s_!TkLB!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5ec8eb1e-c97d-401b-a39e-7a952aa19523_1177x692.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 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data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/subscribe?coupon=af753d33&amp;utm_content=200395975&quot;,&quot;text&quot;:&quot;Sim, eu quero testar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/subscribe?coupon=af753d33&amp;utm_content=200395975"><span>Sim, eu quero testar o Boletim MB</span></a></p><h1>O que um dos nossos leitores disse</h1><p><strong>Se um estudante com mais de 30 publica&#231;&#245;es no PubMed te desse um conselho, voc&#234; aceitaria?</strong></p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!t8tz!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbcde4494-a221-4204-a022-22be299c8be7_1920x714.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!t8tz!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbcde4494-a221-4204-a022-22be299c8be7_1920x714.png 424w, /__u/substackcdn.com/image/fetch/$s_!t8tz!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbcde4494-a221-4204-a022-22be299c8be7_1920x714.png 848w, /__u/substackcdn.com/image/fetch/$s_!t8tz!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, 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/__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbcde4494-a221-4204-a022-22be299c8be7_1920x714.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 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data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/subscribe?coupon=af753d33&amp;utm_content=200395975&quot;,&quot;text&quot;:&quot;Sim, eu quero testar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/subscribe?coupon=af753d33&amp;utm_content=200395975"><span>Sim, eu quero testar o Boletim MB</span></a></p>]]></content:encoded></item><item><title><![CDATA[Boletim #18 ·Semaglutida pode frear o Alzheimer? Os trials de fase 3 chegaram]]></title><description><![CDATA[83 trials triados &#183; 22 especialidades &#183; 15 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-18-semaglutida-pode-frear</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-18-semaglutida-pode-frear</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 30 May 2026 14:55:49 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!BNpA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa8c2a705-2f71-4d9d-a33c-75100d95dcaa_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p><strong>&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real<br>&#127942; Curadoria de +400 journals em +35 especialidades<br>&#129504; Resumos claros e r&#225;pidos + insights para meta-an&#225;lise<br>&#128640; Base para novos projetos e publica&#231;&#245;es cient&#237;ficas</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p style="text-align: center;"><strong>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916&quot;,&quot;text&quot;:&quot;Guia pr&#225;tico: como usar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916"><span>Guia pr&#225;tico: como usar o Boletim MB</span></a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!avDp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!avDp!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Cardiologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Cardiologia" title="Cardiologia" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/40866121/">Optimising implantable loop recorder alerts with artificial intelligence: role of R-wave amplitude and workload reduction.</a></strong></h3><p><strong>Journal:</strong> Heart (British Cardiac Society) (2026 May)</p><p>Em um estudo retrospectivo multic&#234;ntrico, a ativa&#231;&#227;o do algoritmo AccuRhythm AI para registradores de loop implant&#225;veis Reveal LINQ/LINQ II <strong>(I)</strong> em <strong>(P)</strong> 800 pacientes reduziu os alertas de pausa falsos-positivos em 62% e os de fibrila&#231;&#227;o atrial em 33% <strong>(O)</strong>, economizando 210 horas de trabalho cl&#237;nico em 6 meses. Todos os alertas falsos residuais ocorreram em pacientes com amplitude de onda R &lt;0,4 mV, destacando a import&#226;ncia da qualidade do sinal, mesmo com IA. O estudo conclui que a IA &#233; eficaz na redu&#231;&#227;o de alertas falsos-positivos e da carga de trabalho cl&#237;nico, mantendo a precis&#227;o diagn&#243;stica.</p><p><strong>Metodologia:</strong> Multicentre, retrospective study | <strong>N:</strong> 800</p><p>&#128161; <strong>Insight:</strong> Este estudo pode ser inclu&#237;do em meta-an&#225;lises que avaliam o impacto de algoritmos de intelig&#234;ncia artificial na redu&#231;&#227;o de falsos positivos e na otimiza&#231;&#227;o da carga de trabalho em dispositivos card&#237;acos implant&#225;veis.</p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/41903131/">Multimodality Imaging to Determine Underlying Causes of Myocardial Infarction With Nonobstructive Coronary Arteries in Women and Men.</a></strong></h3><p><strong>Journal:</strong> Circulation (2026 May)</p><p>Em pacientes com infarto do mioc&#225;rdio com art&#233;rias coron&#225;rias n&#227;o obstrutivas (MINOCA) <strong>(P)</strong>, a combina&#231;&#227;o de tomografia de coer&#234;ncia &#243;ptica (OCT) <strong>(I1)</strong> e resson&#226;ncia magn&#233;tica card&#237;aca (RMC) <strong>(I2)</strong> identificou a causa da apresenta&#231;&#227;o cl&#237;nica em 79% dos casos <strong>(O)</strong>, com 59% sendo de origem isqu&#234;mica e 20% mimetizando condi&#231;&#245;es n&#227;o isqu&#234;micas. Fatores cl&#237;nicos mostraram utilidade limitada para prever anormalidades, e n&#227;o foram detectadas diferen&#231;as de sexo nos resultados de imagem.</p><p><strong>Metodologia:</strong> Estudo Diagn&#243;stico Prospectivo Internacional | <strong>N:</strong> 389 (com MINOCA)</p><p>&#128161; <strong>Insight:</strong> Abre lacuna para revis&#227;o sistem&#225;tica e meta-an&#225;lise sobre a acur&#225;cia diagn&#243;stica da OCT e RMC (isoladamente e em combina&#231;&#227;o) na identifica&#231;&#227;o das etiologias de MINOCA em diferentes subgrupos populacionais.</p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42203165/">Relationship between baseline patient-reported health status and patient-centered outcomes after Transcatheter Aortic Valve Replacement.</a></strong></h3><p><strong>Journal:</strong> American heart journal (2026 May)</p><p>Em uma an&#225;lise post-hoc do ensaio SCOPE I, o estado de sa&#250;de reportado pelo paciente (KCCQ-OS) na linha de base <strong>(O)</strong> foi investigado em <strong>(P)</strong> 692 pacientes com estenose a&#243;rtica sintom&#225;tica grave submetidos &#224; substitui&#231;&#227;o transcateter da v&#225;lvula a&#243;rtica (TAVR) <strong>(I)</strong>. Um KCCQ-OS basal mais alto foi associado a uma maior probabilidade de estar vivo com bom estado de sa&#250;de (KCCQ-OS &#8805;75 sem decl&#237;nio &gt;10 pontos) at&#233; 3 anos ap&#243;s o TAVR <strong>(O)</strong>. Isso sugere que a avalia&#231;&#227;o do estado de sa&#250;de inicial do paciente &#233; um preditor importante de desfechos centrados no paciente ap&#243;s TAVR.</p><p><strong>Metodologia:</strong> Post-hoc analysis of a multicenter randomized trial | <strong>N:</strong> 692</p><p>&#128161; <strong>Insight:</strong> Este estudo pode ser inclu&#237;do em meta-an&#225;lises que investigam o valor progn&#243;stico do estado de sa&#250;de basal reportado pelo paciente (PROMs) em pacientes submetidos a TAVR e seu impacto nos desfechos a longo prazo.</p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/41984013/">Visual Acuity and Cardiovascular Mortality in 2.52 Million Older Adults in China.</a></strong></h3><p><strong>Journal:</strong> Journal of the American College of Cardiology (2026 May)</p><p>Em um grande estudo de coorte multic&#234;ntrico, <strong>(P)</strong> 2,52 milh&#245;es de idosos chineses (&#8805;65 anos) foram acompanhados para investigar a associa&#231;&#227;o entre defici&#234;ncia da acuidade visual (VA) <strong>(O)</strong> e mortalidade cardiovascular <strong>(O)</strong>. A defici&#234;ncia da VA foi associada a um risco 3% maior de mortalidade por todas as causas e por doen&#231;as cardiovasculares por unidade de logMAR <strong>(O)</strong>, com uma associa&#231;&#227;o mais forte em participantes mais jovens (65-70 anos). O estudo estabelece a acuidade visual como um marcador sentinela de vulnerabilidade cardiovascular e envelhecimento biol&#243;gico, enfatizando a import&#226;ncia da preserva&#231;&#227;o funcional hol&#237;stica.</p><p><strong>Metodologia:</strong> Multicenter cohort study | <strong>N:</strong> 2,517,662</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui para meta-an&#225;lises sobre a associa&#231;&#227;o entre defici&#234;ncia visual e mortalidade cardiovascular em popula&#231;&#245;es idosas, ou para revis&#245;es sistem&#225;ticas que abordam fatores de risco para mortalidade em idosos.</p><div><hr></div><h3><strong>5. <a href="https://pubmed.ncbi.nlm.nih.gov/41920136/">Chronic Kidney Disease Screening in Patients With Coronary Heart Disease: The Multinational INTERASPIRE Study.</a></strong></h3><p><strong>Journal:</strong> Journal of the American College of Cardiology (2026 May)</p><p>Em pacientes com doen&#231;a arterial coronariana (DAC) <strong>(P)</strong> de 14 pa&#237;ses, a preval&#234;ncia de doen&#231;a renal cr&#244;nica (DRC) foi de 32%, e mais da metade dos casos seriam indetect&#225;veis sem a triagem da rela&#231;&#227;o albumina/creatinina urin&#225;ria (RACU) <strong>(O)</strong>. A DRC se associou a um maior risco de eventos cardiovasculares adversos <strong>(O)</strong>, destacando a import&#226;ncia da triagem precoce combinada de eGFR e RACU <strong>(I)</strong> para melhor identifica&#231;&#227;o de risco e otimiza&#231;&#227;o de terapias cardiorrenais protetoras.</p><p><strong>Metodologia:</strong> Estudo de Coorte Multinacional | <strong>N:</strong> 4,548</p><p>&#128161; <strong>Insight:</strong> Contribui para meta-an&#225;lises que avaliam a preval&#234;ncia de DRC em popula&#231;&#245;es com DAC e a import&#226;ncia progn&#243;stica da RACU para estratifica&#231;&#227;o de risco cardiovascular.</p>
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #17 · Criança chiando na emergência: ainda faz sentido prescrever azitromicina?]]></title><description><![CDATA[106 trials triados &#183; 29 especialidades &#183; 12 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-17-crianca-chiando-na-emergencia</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-17-crianca-chiando-na-emergencia</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 23 May 2026 17:30:00 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!II1f!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4aa4f87d-58a5-4e83-9d09-acbf28df50bf_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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/__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p style="text-align: center;"><strong>&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real<br>&#127942; Curadoria de +400 journals em +35 especialidades<br>&#129504; Resumos claros e r&#225;pidos + insights para meta-an&#225;lise<br>&#128640; Base para novos projetos e publica&#231;&#245;es cient&#237;ficas</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p style="text-align: center;"><strong>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916&quot;,&quot;text&quot;:&quot;Guia pr&#225;tico: como usar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916"><span>Guia pr&#225;tico: como usar o Boletim MB</span></a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!avDp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!avDp!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Cardiologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Cardiologia" title="Cardiologia" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/41697954/">A Bayesian analysis of finerenone in heart failure with mildly reduced and preserved ejection fraction: a pre-specified analysis of FINEARTS-HF.</a></strong></h3><p><strong>Journal:</strong> European heart journal. Cardiovascular pharmacotherapy (2026 May)</p><p>Em pacientes com insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o preservada ou discretamente reduzida <strong>(P)</strong>, uma an&#225;lise bayesiana pre-especificada do estudo FINEARTS-HF confirmou que a finerenona <strong>(I)</strong>, em compara&#231;&#227;o ao placebo <strong>(C)</strong>, reduziu a taxa de morte cardiovascular e eventos de insufici&#234;ncia card&#237;aca <strong>(O)</strong> (RR 0,83; 95% CrI 0,74-0,94). A probabilidade de benef&#237;cio para mortalidade cardiovascular e por todas as causas superou 80%, consolidando a evid&#234;ncia para seu uso nesta popula&#231;&#227;o, embora com aumento da probabilidade de hipercalemia.</p><p><strong>Metodologia:</strong> An&#225;lise bayesiana pre-especificada de um ensaio cl&#237;nico randomizado (FINEARTS-HF). | <strong>N:</strong> 6001</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui significativamente para meta-an&#225;lises existentes sobre a efic&#225;cia e seguran&#231;a dos antagonistas do receptor de mineralocorticoides (MRAs), em particular finerenona, em pacientes com insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o preservada ou discretamente reduzida.</p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/40888584/">Surgical left atrial appendage occlusion in valvular heart disease without atrial fibrillation: the OPINION trial.</a></strong></h3><p><strong>Journal:</strong> European heart journal (2026 May)</p><p>O estudo OPINION, em pacientes <strong>(P)</strong> com doen&#231;a valvar sem fibrila&#231;&#227;o atrial pr&#233;-operat&#243;ria, mas com CHA&#8322;DS&#8322;-VASc &#8805;2, submetidos &#224; cirurgia valvar, mostrou que a oclus&#227;o cir&#250;rgica do ap&#234;ndice atrial esquerdo <strong>(I)</strong> n&#227;o reduziu significativamente o desfecho composto de AVC isqu&#234;mico, AIT ou mortalidade cardiovascular em 1 ano <strong>(O)</strong>, comparado ao grupo controle <strong>(C)</strong> (HR 0,83; IC 95% 0,61-1,14; P = 0,25). Os achados questionam o uso profil&#225;tico de rotina da SLAAO nesta popula&#231;&#227;o espec&#237;fica.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado, multic&#234;ntrico, aberto, de superioridade. | <strong>N:</strong> 2118</p><p>&#128161; <strong>Insight:</strong> Este estudo fornece evid&#234;ncias cruciais para uma meta-an&#225;lise sobre a oclus&#227;o cir&#250;rgica do ap&#234;ndice atrial esquerdo em pacientes sem fibrila&#231;&#227;o atrial pr&#233;-operat&#243;ria, mas com alto risco de AVC, que ser&#227;o submetidos a cirurgia card&#237;aca, ajudando a esclarecer a indica&#231;&#227;o desta interven&#231;&#227;o.</p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42168124/">Ambient fine particulate matter exposure and prognosis in patients with valvular heart disease.</a></strong></h3><p><strong>Journal:</strong> Heart (British Cardiac Society) (2026 May)</p><p>Em 12.258 pacientes <strong>(P)</strong> com doen&#231;a valvar card&#237;aca, a exposi&#231;&#227;o mensal a altas concentra&#231;&#245;es de material particulado fino (PM&#8322;.&#8325;) <strong>(I)</strong>, comparada &#224;s menores concentra&#231;&#245;es <strong>(C)</strong>, associou-se a um risco 1,24 vezes maior de mortalidade por todas as causas ou hospitaliza&#231;&#227;o por insufici&#234;ncia card&#237;aca em 2 anos <strong>(O)</strong> (HR 1,24; IC 95% 1,07-1,43). Os achados destacam a polui&#231;&#227;o do ar como um fator ambiental chave no progn&#243;stico adverso de pacientes com doen&#231;a valvar card&#237;aca.</p><p><strong>Metodologia:</strong> Estudo de coorte prospectivo, multic&#234;ntrico nacional. | <strong>N:</strong> 12258</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui significativamente para uma revis&#227;o sistem&#225;tica e meta-an&#225;lise sobre o impacto da exposi&#231;&#227;o &#224; polui&#231;&#227;o do ar (PM&#8322;.&#8325;) nos desfechos cl&#237;nicos de pacientes com doen&#231;as cardiovasculares pr&#233;-existentes, preenchendo uma lacuna em rela&#231;&#227;o &#224; doen&#231;a valvar card&#237;aca.</p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/41983297/">Metabolomics of Right Ventricular Function in Pulmonary Hypertension.</a></strong></h3><p><strong>Journal:</strong> Circulation research (2026 May)</p><p>Em 979 participantes <strong>(P)</strong> com hipertens&#227;o pulmonar da coorte PVDOMICS, uma an&#225;lise metabol&#244;mica identificou 170 metab&#243;litos significativamente associados a m&#250;ltiplas m&#233;tricas da fun&#231;&#227;o sist&#243;lica do ventr&#237;culo direito <strong>(O)</strong>. Vias como esteroides androg&#234;nicos, amino&#225;cidos gama-glutamil, poliaminas, vitamina A, &#225;cidos graxos e ester&#243;is foram as mais fortemente relacionadas, fornecendo um mapa metab&#243;lico da disfun&#231;&#227;o ventricular direita e abrindo caminhos para novas investiga&#231;&#245;es terap&#234;uticas.</p><p><strong>Metodologia:</strong> Estudo de coorte multic&#234;ntrico com an&#225;lise metabol&#244;mica. | <strong>N:</strong> 979</p><p>&#128161; <strong>Insight:</strong> Este estudo gera hip&#243;teses para futuras pesquisas sobre o papel de vias metab&#243;licas espec&#237;ficas (como esteroides androg&#234;nicos, vitamina A e metab&#243;litos de glutationa) como biomarcadores ou alvos terap&#234;uticos para a disfun&#231;&#227;o ventricular direita na hipertens&#227;o pulmonar, e pode informar uma revis&#227;o sistem&#225;tica sobre perfis metabol&#244;micos na doen&#231;a.</p><div><hr></div><h3><strong>5. <a href="https://pubmed.ncbi.nlm.nih.gov/42159360/">Impact of Intravascular Imaging on Clinical Outcomes in Focal Versus Diffuse Coronary Artery Disease.</a></strong></h3><p><strong>Journal:</strong> Circulation. Cardiovascular interventions (2026 May)</p><p>Em 811 pacientes <strong>(P)</strong> submetidos &#224; ICP, o uso de imagem intravascular (IVI) <strong>(I)</strong>, em compara&#231;&#227;o &#224; ICP n&#227;o guiada por IVI <strong>(C)</strong>, reduziu a falha do vaso-alvo em 1 ano <strong>(O)</strong> (HR ajustado 0,60; IC 95% 0,36-0,99), especialmente em pacientes com doen&#231;a focal (HR 0,41; IC 95% 0,18-0,91). Esses achados sugerem que o benef&#237;cio da IVI se estende por todo o espectro da doen&#231;a arterial coronariana, sendo particularmente evidente na doen&#231;a focal.</p><p><strong>Metodologia:</strong> Estudo prospectivo, multic&#234;ntrico, bra&#231;o &#250;nico (com uso de IVI a crit&#233;rio do operador). | <strong>N:</strong> 811</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui para uma meta-an&#225;lise que avalia o impacto da orienta&#231;&#227;o por imagem intravascular (IVUS/OCT) nos desfechos cl&#237;nicos ap&#243;s interven&#231;&#227;o coronariana percut&#226;nea, especificamente testando a hip&#243;tese de que o benef&#237;cio pode ser diferente entre doen&#231;as coronarianas focais e difusas.</p><div><hr></div><h3><strong>6. <a href="https://pubmed.ncbi.nlm.nih.gov/41416702/">Mitral transcatheter edge-to-edge repair and outcomes according to baseline health status: the RESHAPE-HF2 trial.</a></strong></h3><p><strong>Journal:</strong> European heart journal (2026 May)</p><p>Uma an&#225;lise do estudo RESHAPE-HF2 demonstrou que, em 505 pacientes <strong>(P)</strong> com insufici&#234;ncia card&#237;aca sintom&#225;tica e regurgita&#231;&#227;o mitral secund&#225;ria moderada a grave, o reparo transcateter mitral edge-to-edge (M-TEER) <strong>(I)</strong>, comparado &#224; terapia m&#233;dica isolada <strong>(C)</strong>, mostrou uma tend&#234;ncia consistente de menor risco de hospitaliza&#231;&#227;o por IC ou morte cardiovascular <strong>(O)</strong>, independentemente do status de sa&#250;de basal. Al&#233;m disso, o M-TEER melhorou significativamente a qualidade de vida e o estado de sa&#250;de dos pacientes <strong>(O)</strong> em m&#250;ltiplos momentos de acompanhamento.</p><p><strong>Metodologia:</strong> An&#225;lise pre-especificada de um ensaio cl&#237;nico randomizado (RESHAPE-HF2). | <strong>N:</strong> 505</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui para uma meta-an&#225;lise sobre a efic&#225;cia do reparo transcateter mitral edge-to-edge na regurgita&#231;&#227;o mitral secund&#225;ria, com um foco particular em desfechos centrados no paciente (como qualidade de vida/KCCQ) e na consist&#234;ncia do benef&#237;cio em diferentes perfis de sa&#250;de basal.</p><div><hr></div><h3><strong>7. <a href="https://pubmed.ncbi.nlm.nih.gov/41910513/">Effect of APOC3 Inhibition With Olezarsen on Coronary Atherosclerosis: Essence-TIMI 73b Imaging Study.</a></strong></h3><p><strong>Journal:</strong> Circulation (2026 May)</p><p>Em <strong>adultos com hipertrigliceridemia moderada com doen&#231;a cardiovascular ou alto risco (P)</strong>, o tratamento com olezarsen <strong>(I)</strong> por 12 meses, em compara&#231;&#227;o com placebo <strong>(C)</strong>, n&#227;o demonstrou diferen&#231;a significativa na mudan&#231;a do volume da placa coronariana n&#227;o calcificada <strong>(O)</strong>. Apesar da redu&#231;&#227;o substancial de triglicer&#237;deos e colesterol remanescente, o achado sugere que o impacto direto na aterosclerose coronariana n&#227;o foi evidenciado neste per&#237;odo, questionando a correla&#231;&#227;o imediata entre a redu&#231;&#227;o desses lip&#237;dios e a regress&#227;o da placa.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado, controlado por placebo, com subestudo de imagem (CCTA). | <strong>N:</strong> 468</p><p>&#128161; <strong>Insight:</strong> Estes dados contribuem para meta-an&#225;lises sobre o efeito de drogas redutoras de triglicer&#237;deos na progress&#227;o da aterosclerose ou no volume da placa coronariana, adicionando evid&#234;ncias de uma interven&#231;&#227;o espec&#237;fica. Abre uma lacuna para revisar se a dura&#231;&#227;o do tratamento ou o tipo de inibi&#231;&#227;o de lip&#237;dios impacta esses desfechos.</p>
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   ]]></content:encoded></item><item><title><![CDATA[Boletim #16 · Tirzepatida e obesidade: dá para manter o emagrecimento com metade da dose?]]></title><description><![CDATA[100 trials triados &#183; 23 especialidades &#183; 15 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-16-tirzepatida-e-obesidade</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-16-tirzepatida-e-obesidade</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 16 May 2026 13:42:52 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!dDy8!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec32304-71c4-4729-a7ad-e55ff9aedcdd_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p></p><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" 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/__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p style="text-align: center;"><strong>&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real<br>&#127942; Curadoria de +400 journals em +35 especialidades<br>&#129504; Resumos claros e r&#225;pidos + insights para meta-an&#225;lise<br>&#128640; Base para novos projetos e publica&#231;&#245;es cient&#237;ficas</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p style="text-align: center;"><strong>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916&quot;,&quot;text&quot;:&quot;Guia pr&#225;tico: como usar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916"><span>Guia pr&#225;tico: como usar o Boletim MB</span></a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!avDp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Cardiologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Cardiologia" title="Cardiologia" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/41218924/">Diagnostic performance of 2023 endocarditis criteria in patients with and without cardiac implantable electronic devices.</a></strong></h3><p><strong>Journal:</strong> Heart (British Cardiac Society) (2026 May)</p><p>Os crit&#233;rios de endocardite infecciosa de 2023 ESC e 2023 Duke-ISCVID demonstraram maior sensibilidade, mas menor especificidade que os crit&#233;rios de 2015 ESC e 2019 EHRA em <strong>pacientes com dispositivos card&#237;acos eletr&#244;nicos implant&#225;veis (CIEDs)</strong> <strong>(P)</strong>. No subgrupo com IE de cabo <strong>(P)</strong>, a classifica&#231;&#227;o de 2019 EHRA foi a mais precisa na <strong>detec&#231;&#227;o de endocardite (O)</strong> quando <strong>comparada &#224;s outras classifica&#231;&#245;es (I/C)</strong>. Estes achados sugerem que as novas classifica&#231;&#245;es podem ter limita&#231;&#245;es na especificidade para diagnosticar IE em pacientes com CIEDs.</p><p><strong>Metodologia:</strong> Coorte prospectivo multic&#234;ntrico | <strong>N:</strong> 1180</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui para uma meta-an&#225;lise que avalia a acur&#225;cia diagn&#243;stica de diferentes crit&#233;rios para endocardite infecciosa, especialmente em subgrupos espec&#237;ficos como aqueles com CIEDs.</p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/41780659/">Incidence, Predictors, and Outcomes of Stroke Following Transcatheter Aortic Valve Implantation: A Multicenter Australian Experience.</a></strong></h3><p><strong>Journal:</strong> The American journal of cardiology (2026 May)</p><p>Em <strong>pacientes submetidos a implante de v&#225;lvula a&#243;rtica transcateter (TAVI)</strong> <strong>(P)</strong>, a incid&#234;ncia de AVC pr&#233;-alta foi de 1,4% e n&#227;o reduziu ao longo do tempo. Preditores independentes de AVC na <strong>popula&#231;&#227;o de TAVI (P)</strong> inclu&#237;ram radioterapia pr&#233;via, uso de v&#225;lvula autoexpans&#237;vel e acesso n&#227;o femoral <strong>(O)</strong>, e o AVC p&#243;s-TAVI foi um forte preditor de mortalidade por todas as causas em 12 meses <strong>(O)</strong>. Estes dados destacam a persist&#234;ncia do AVC como uma complica&#231;&#227;o s&#233;ria do TAVI, independentemente da evolu&#231;&#227;o demogr&#225;fica e processual.</p><p><strong>Metodologia:</strong> An&#225;lise retrospectiva de dados coletados prospectivamente (Multic&#234;ntrico, Registro de Coorte) | <strong>N:</strong> 3823</p><p>&#128161; <strong>Insight:</strong> Estes dados podem ser inclu&#237;dos em uma meta-an&#225;lise sobre incid&#234;ncia, preditores e desfechos de AVC ap&#243;s TAVI em popula&#231;&#245;es contempor&#226;neas, permitindo comparar resultados entre diferentes tipos de v&#225;lvulas ou vias de acesso.</p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/41993018/">The Natural History of Massive Left Ventricular Hypertrophy in Pediatric Hypertrophic Cardiomyopathy: A Multiregistry Analysis.</a></strong></h3><p><strong>Journal:</strong> Circulation (2026 May)</p><p>Em <strong>crian&#231;as com cardiomiopatia hipertr&#243;fica (P)</strong>, a hipertrofia ventricular esquerda (HVE) maci&#231;a est&#225; associada a um in&#237;cio mais precoce e maior risco de eventos adversos cardiovasculares graves <strong>(O)</strong>, incluindo arritmias ventriculares e insufici&#234;ncia card&#237;aca. Notavelmente, quase um quarto dos <strong>pacientes (P)</strong> com HVE maci&#231;a podem apresentar regress&#227;o significativa da espessura da parede ventricular esquerda <strong>(O)</strong> ao longo do tempo.</p><p><strong>Metodologia:</strong> An&#225;lise multiregistro retrospectiva | <strong>N:</strong> 587</p><p>&#128161; <strong>Insight:</strong> Contribui para meta-an&#225;lises que investigam fatores progn&#243;sticos e a hist&#243;ria natural da cardiomiopatia hipertr&#243;fica pedi&#225;trica, com foco na HVE maci&#231;a. Abre uma lacuna para uma revis&#227;o sistem&#225;tica para identificar preditores de regress&#227;o da HVE e sua associa&#231;&#227;o com desfechos cl&#237;nicos nesta popula&#231;&#227;o.</p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/41949524/">Blood Pressure Trajectories and Cardiovascular Outcomes in Older Patients: Insights From the STEP Trial.</a></strong></h3><p><strong>Journal:</strong> Journal of the American College of Cardiology (2026 May)</p><p>Em <strong>pacientes idosos com hipertens&#227;o tratados intensivamente para controle da press&#227;o arterial (P)</strong>, foram identificadas sete trajet&#243;rias distintas de press&#227;o arterial sist&#243;lica <strong>(I)</strong>. A trajet&#243;ria &#8216;R&#225;pida-Est&#225;vel&#8217; <strong>(C)</strong> foi associada &#224; menor incid&#234;ncia de eventos cardiovasculares e perfil de seguran&#231;a favor&#225;vel <strong>(O)</strong>. As demais trajet&#243;rias, caracterizadas por controle tardio, inst&#225;vel ou falho, apresentaram um risco cardiovascular progressivamente maior, com pior desfecho para trajet&#243;rias n&#227;o controladas <strong>(O)</strong>.</p><p><strong>Metodologia:</strong> An&#225;lise secund&#225;ria de Ensaio Cl&#237;nico Randomizado (Coorte) | <strong>N:</strong> 7296</p><p>&#128161; <strong>Insight:</strong> Estes dados fornecem informa&#231;&#245;es valiosas para testar a hip&#243;tese de que a velocidade, estabilidade e qualidade do controle da press&#227;o arterial s&#227;o preditores independentes de desfechos cardiovasculares, podendo ser inclu&#237;dos em futuras meta-an&#225;lises sobre estrat&#233;gias de controle de PA e risco cardiovascular.</p><div><hr></div><h3><strong>5. <a href="https://pubmed.ncbi.nlm.nih.gov/41949512/">Efficacy of Tonlamarsen in Patients With Uncontrolled Hypertension: The KARDINAL Phase 2 Randomized Clinical Trial.</a></strong></h3><p><strong>Journal:</strong> Journal of the American College of Cardiology (2026 May)</p><p>Em <strong>adultos com hipertens&#227;o n&#227;o controlada (P)</strong>, a administra&#231;&#227;o mensal de tonlamarsen <strong>(I)</strong> foi mais eficaz na redu&#231;&#227;o dos n&#237;veis plasm&#225;ticos de angiotensinog&#234;nio em compara&#231;&#227;o com uma dose &#250;nica seguida de placebo <strong>(C)</strong>. No entanto, n&#227;o houve redu&#231;&#227;o adicional clinicamente significativa na press&#227;o arterial sist&#243;lica de consult&#243;rio <strong>(O)</strong> entre os grupos de dose m&#250;ltipla e dose &#250;nica, apesar da diferen&#231;a nos n&#237;veis de angiotensinog&#234;nio. Este achado sugere que, neste regime, a inibi&#231;&#227;o da s&#237;ntese de angiotensinog&#234;nio n&#227;o se traduz em benef&#237;cio press&#243;rico adicional.</p><p><strong>Metodologia:</strong> Ensaio Cl&#237;nico Randomizado, Duplo-Cego, Controlado por Placebo (Fase 2) | <strong>N:</strong> 198</p><p>&#128161; <strong>Insight:</strong> Este estudo levanta a hip&#243;tese de que a redu&#231;&#227;o do angiotensinog&#234;nio n&#227;o se traduz linearmente em redu&#231;&#227;o da PA em hipertens&#227;o n&#227;o controlada. Abre uma lacuna para uma futura revis&#227;o sistem&#225;tica sobre a efic&#225;cia de novas terapias que visam o sistema renina-angiotensina-aldosterona (SRAA) em hipertens&#227;o, comparando diferentes alvos e mecanismos de a&#231;&#227;o.</p><div><hr></div><h3><strong>6. <a href="https://pubmed.ncbi.nlm.nih.gov/41563174/">Natriuretic Peptide Receptor-1 Agonist for Resistant Hypertension: A Randomized Phase 2 Trial.</a></strong></h3><p><strong>Journal:</strong> Journal of the American College of Cardiology (2026 May)</p><p>Em <strong>pacientes com hipertens&#227;o resistente (P)</strong>, doses mensais subcut&#226;neas de XXB750, um agonista do receptor de pept&#237;deo natriur&#233;tico-1 <strong>(I)</strong>, n&#227;o demonstraram um efeito maior de redu&#231;&#227;o da press&#227;o arterial sist&#243;lica m&#233;dia de 24 horas em compara&#231;&#227;o com placebo <strong>(C)</strong>. Isso ocorreu apesar de uma rela&#231;&#227;o dose-resposta robusta para o engajamento do alvo farmacol&#243;gico <strong>(O)</strong>, indicando que a ativa&#231;&#227;o do NPR-1 com esta droga pode n&#227;o se traduzir em benef&#237;cio anti-hipertensivo nesta popula&#231;&#227;o.</p><p><strong>Metodologia:</strong> Ensaio Cl&#237;nico Randomizado, Duplo-Cego, Controlado por Placebo (Fase 2) | <strong>N:</strong> 189</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui para uma revis&#227;o sistem&#225;tica sobre novas classes de agentes anti-hipertensivos para hipertens&#227;o resistente, testando a hip&#243;tese de que a ativa&#231;&#227;o do NPR-1 reduz a PA. Os resultados neutros deste estudo destacam a complexidade do tratamento da hipertens&#227;o resistente e a necessidade de explorar outros mecanismos para esta popula&#231;&#227;o.</p><div><hr></div><h3><strong>7. <a href="https://pubmed.ncbi.nlm.nih.gov/41107031/">Prospective multicentre single-arm study of an interatrial shunt in heart failure with reduced ejection fraction (SUSTAIN-HF): 1-year clinical and haemodynamic outcomes.</a></strong></h3><p><strong>Journal:</strong> Heart (British Cardiac Society) (2026 May)</p><p>Em <strong>pacientes sintom&#225;ticos com insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o reduzida (ICFEr) (P)</strong>, o implante do dispositivo de shunt atrial D-Shant <strong>(I)</strong> foi associado a melhorias significativas na capacidade funcional, qualidade de vida e redu&#231;&#227;o das hospitaliza&#231;&#245;es por insufici&#234;ncia card&#237;aca em 1 ano <strong>(O)</strong>. Embora promissor, o desenho de bra&#231;o &#250;nico do estudo impede conclus&#245;es definitivas sobre a efic&#225;cia <strong>(C - impl&#237;cito, falta de comparador)</strong>, destacando a necessidade de ensaios randomizados e controlados por sham.</p><p><strong>Metodologia:</strong> Coorte prospectivo, multic&#234;ntrico, uniarme | <strong>N:</strong> 120</p><p>&#128161; <strong>Insight:</strong> Este estudo abre uma lacuna para uma revis&#227;o sistem&#225;tica sobre dispositivos de shunt atrial para ICFEr, sintetizando evid&#234;ncias de estudos uniarme e fornecendo justificativa para futuros ensaios cl&#237;nicos randomizados controlados por sham. Pode tamb&#233;m levantar hip&#243;teses sobre subgrupos de pacientes que mais se beneficiariam.</p><div><hr></div><h3><strong>8. <a href="https://pubmed.ncbi.nlm.nih.gov/40866120/">Diagnostic performance of exercise stress testing findings and coronary microvascular dysfunction in patients with angina with non-obstructive coronary artery disease.</a></strong></h3><p><strong>Journal:</strong> Heart (British Cardiac Society) (2026 May)</p><p>Em <strong>pacientes com angina e doen&#231;a arterial coronariana n&#227;o obstrutiva (ANOCA) (P)</strong>, as altera&#231;&#245;es isqu&#234;micas no eletrocardiograma (ECG) durante o teste de estresse ergom&#233;trico (TEE) <strong>(I)</strong> demonstraram excelente acur&#225;cia diagn&#243;stica (86,3%) para identificar disfun&#231;&#227;o microvascular coronariana (DMC) <strong>(O)</strong>, especialmente o end&#243;tipo estrutural da DMC, em compara&#231;&#227;o com os padr&#245;es de refer&#234;ncia invasivos <strong>(C)</strong>. O desconforto tor&#225;cico induzido por exerc&#237;cio <strong>(I)</strong> tamb&#233;m teve boa acur&#225;cia, mas n&#227;o adicionou valor ao ECG isqu&#234;mico <strong>(O)</strong>. Estes achados suportam o uso do TEE como ferramenta de triagem para DMC.</p><p><strong>Metodologia:</strong> Coorte prospectivo, multic&#234;ntrico | <strong>N:</strong> 117</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui para uma meta-an&#225;lise que avalia a acur&#225;cia diagn&#243;stica do teste de estresse ergom&#233;trico e outras modalidades n&#227;o invasivas para detectar disfun&#231;&#227;o microvascular coronariana em pacientes com ANOCA. Pode tamb&#233;m testar a hip&#243;tese de que o TEE &#233; mais sens&#237;vel para tipos espec&#237;ficos de DMC.</p><div><hr></div><h3><strong>9. <a href="https://pubmed.ncbi.nlm.nih.gov/41759564/">Three-Year Clinical Follow-Up of a Novel Everolimus-Coated Balloon for Patients With In-Stent Restenosis.</a></strong></h3><p><strong>Journal:</strong> The American journal of cardiology (2026 May)</p><p>Um estudo pioneiro avaliou a seguran&#231;a e efic&#225;cia de um novo bal&#227;o farmacol&#243;gico de everolimus <strong>(I)</strong> em 51 pacientes <strong>(P)</strong> com reestenose intrastent. O dispositivo demonstrou seguran&#231;a sustentada e efic&#225;cia significativa em 3 anos, com 92,2% de liberdade de falha da les&#227;o alvo em 180 dias e perda tardia do l&#250;men de 0,40 mm <strong>(O)</strong>, superando crit&#233;rios de desempenho pr&#233;-definidos <strong>(C)</strong>. Este achado consolida o potencial do novo bal&#227;o como uma op&#231;&#227;o segura e eficaz para o tratamento da reestenose intrastent, evitando camadas adicionais de metal.</p><p><strong>Metodologia:</strong> Estudo &#8216;first-in-man&#8217;, prospectivo, multic&#234;ntrico, de bra&#231;o &#250;nico. | <strong>N:</strong> 51</p><p>&#128161; <strong>Insight:</strong> Este estudo fornece dados de seguran&#231;a e efic&#225;cia a longo prazo para um novo bal&#227;o farmacol&#243;gico, contribuindo para futuras meta-an&#225;lises sobre bal&#245;es farmacol&#243;gicos de everolimus no tratamento da reestenose intrastent e iniciando uma lacuna para revis&#245;es sistem&#225;ticas sobre novas formula&#231;&#245;es.</p><div><hr></div><h3><strong>10. <a href="https://pubmed.ncbi.nlm.nih.gov/42104906/">Angiotensin Receptor Neprilysin Inhibitor in Heart Failure with Preserved Ejection Fraction and Secondary Mitral Regurgitation: the PRAISE-MR Randomized Trial.</a></strong></h3><p><strong>Journal:</strong> Circulation (2026 May)</p><p>O sacubitril/valsartana <strong>(I)</strong> melhorou significativamente a hemodin&#226;mica ao exerc&#237;cio e atenuou a regurgita&#231;&#227;o mitral din&#226;mica <strong>(O)</strong> em 84 pacientes <strong>(P)</strong> com insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o preservada (ICFEP) e regurgita&#231;&#227;o mitral funcional atrial (AFMR), em compara&#231;&#227;o com o tratamento padr&#227;o <strong>(C)</strong>. Este benef&#237;cio hemodin&#226;mico foi acompanhado por melhorias na capacidade funcional (VO2 de pico) e qualidade de vida (KCCQ) <strong>(O)</strong>. Os resultados sugerem um benef&#237;cio espec&#237;fico do fen&#243;tipo para ARNI nesta subpopula&#231;&#227;o de ICFEP, demandando confirma&#231;&#227;o em ensaios maiores de desfechos cl&#237;nicos.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado, multic&#234;ntrico, aberto com avalia&#231;&#227;o cega do desfecho prim&#225;rio. | <strong>N:</strong> 84</p><p>&#128161; <strong>Insight:</strong> Este estudo acrescenta evid&#234;ncias valiosas sobre o efeito do sacubitril/valsartana na hemodin&#226;mica do exerc&#237;cio e na regurgita&#231;&#227;o mitral em pacientes com ICFEP e AFMR, sendo um forte contribuinte para meta-an&#225;lises futuras sobre a efic&#225;cia de ARNI em subgrupos espec&#237;ficos de ICFEP.</p><div><hr></div><h3><strong>11. <a href="https://pubmed.ncbi.nlm.nih.gov/42009572/">Comprehensive guideline-directed medical therapy strategies on health status outcomes in patients with heart failure: the LAQUA-HF randomised clinical trial.</a></strong></h3><p><strong>Journal:</strong> Heart (British Cardiac Society) (2026 May)</p><p>O ensaio LAQUA-HF randomizou 231 pacientes <strong>(P)</strong> com insufici&#234;ncia card&#237;aca e LVEF &lt;50% para comparar diferentes estrat&#233;gias de terapia m&#233;dica guiada por diretrizes. N&#227;o foram observadas diferen&#231;as significativas no escore KCCQ-OSS ou em desfechos cl&#237;nicos hier&#225;rquicos entre sacubitril/valsartana e dapagliflozina <strong>(I/C)</strong>, nem entre torsemida e furosemida <strong>(I/C)</strong>, ao longo de 6 meses <strong>(O)</strong>. Embora n&#227;o tenha havido benef&#237;cio de um tratamento sobre o outro para o estado de sa&#250;de, pequenas diferen&#231;as n&#227;o podem ser exclu&#237;das devido ao tamanho da amostra.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado, multic&#234;ntrico, aberto, com desenho fatorial 2x2. | <strong>N:</strong> 231</p><p>&#128161; <strong>Insight:</strong> Os dados deste estudo s&#227;o importantes para meta-an&#225;lises que comparem o impacto na qualidade de vida e desfechos cl&#237;nicos de ARNI versus inibidores de SGLT2 como terapia inicial em pacientes com ICFER, e tamb&#233;m para revis&#245;es sistem&#225;ticas sobre a escolha de diur&#233;ticos de al&#231;a (torsemida vs furosemida) nessa popula&#231;&#227;o.</p><div><hr></div><h3><strong>12. <a href="https://pubmed.ncbi.nlm.nih.gov/41795899/">Artificial intelligence-based quantification of breast arterial calcifications to predict cardiovascular morbidity and mortality.</a></strong></h3><p><strong>Journal:</strong> European heart journal (2026 May)</p><p>A quantifica&#231;&#227;o autom&#225;tica de calcifica&#231;&#245;es arteriais mam&#225;rias (BAC) por intelig&#234;ncia artificial <strong>(I)</strong> em mamografias de rastreamento prediz de forma independente eventos cardiovasculares adversos maiores (MACE) e mortalidade <strong>(O)</strong> em 123.762 mulheres <strong>(P)</strong>. Em modelos ajustados pelo escore PREVENT <strong>(C)</strong>, a BAC adicionou valor progn&#243;stico significativo com uma rela&#231;&#227;o dose-resposta clara, onde calcifica&#231;&#245;es mais graves foram associadas a um risco maior de MACE. Essa abordagem oferece uma avalia&#231;&#227;o de risco cardiovascular oportuna durante a mamografia de rotina, sem exposi&#231;&#227;o adicional &#224; radia&#231;&#227;o.</p><p><strong>Metodologia:</strong> Estudo de coorte retrospectivo, multi-institucional. | <strong>N:</strong> 123.762</p><p>&#128161; <strong>Insight:</strong> Este estudo fornece evid&#234;ncias robustas para a utilidade da BAC quantificada por IA na estratifica&#231;&#227;o de risco cardiovascular em mulheres, contribuindo significativamente para meta-an&#225;lises futuras sobre biomarcadores de imagem e o papel da IA na preven&#231;&#227;o de doen&#231;as cardiovasculares.</p><div><hr></div><h3><strong>13. <a href="https://pubmed.ncbi.nlm.nih.gov/41759562/">Patient Outcomes From Home-Based Virtual Cardiac Rehabilitation Within a Large Integrated Healthcare System.</a></strong></h3><p><strong>Journal:</strong> The American journal of cardiology (2026 May)</p><p>A reabilita&#231;&#227;o card&#237;aca virtual domiciliar <strong>(I)</strong>, dentro de um grande sistema de sa&#250;de, foi associada a um menor risco de hospitaliza&#231;&#245;es (RR 0,86) e mortalidade em 1 ano (RR 0,68) <strong>(O)</strong> em 7.077 pacientes <strong>(P)</strong> p&#243;s-evento card&#237;aco, comparados a um grupo de n&#227;o-reabilita&#231;&#227;o ponderado por propens&#227;o <strong>(C)</strong>. Embora tenha havido um risco ligeiramente maior de visitas ao pronto-socorro, n&#227;o houve associa&#231;&#227;o significativa com MACE ou revasculariza&#231;&#227;o <strong>(O)</strong>. Os achados demonstram a viabilidade e efic&#225;cia da reabilita&#231;&#227;o card&#237;aca virtual para melhorar os desfechos card&#237;acos.</p><p><strong>Metodologia:</strong> Estudo de coorte retrospectivo, com an&#225;lises multivariadas ponderadas por propens&#227;o, dentro de um sistema de entrega integrado e multisite. | <strong>N:</strong> 25.552 eleg&#237;veis (7.077 inscritos em reabilita&#231;&#227;o)</p><p>&#128161; <strong>Insight:</strong> Este estudo de grande escala, baseado em dados do mundo real, &#233; um excelente contribuinte para meta-an&#225;lises que avaliam a efic&#225;cia de programas de reabilita&#231;&#227;o card&#237;aca virtuais ou baseados em domic&#237;lio em desfechos importantes como mortalidade e hospitaliza&#231;&#245;es, ajudando a preencher lacunas de evid&#234;ncias sobre diferentes modalidades de reabilita&#231;&#227;o.</p><div><hr></div><h3><strong>14. <a href="https://pubmed.ncbi.nlm.nih.gov/41670573/">Single-Pill Low-Dose Triple Combination Therapy vs Standard-Dose Monotherapy in Patients With Mild-to-Moderate Hypertension.</a></strong></h3><p><strong>Journal:</strong> Journal of the American College of Cardiology (2026 May)</p><p>A terapia combinada tripla em dose ultrabaixa (amlodipina, losartana, clortalidona) em comprimido &#250;nico (LDC-ALC) <strong>(I)</strong> alcan&#231;ou redu&#231;&#245;es de press&#227;o arterial similares &#224; monoterapia com amlodipina e superiores &#224; monoterapia com losartana <strong>(O)</strong> em pacientes <strong>(P)</strong> com hipertens&#227;o leve a moderada, ao longo de 8 semanas, com tolerabilidade de curto prazo semelhante <strong>(C)</strong>. Estes ensaios cl&#237;nicos de fase III apoiam a LDC-ALC como uma terapia inicial eficaz e bem tolerada, expandindo as estrat&#233;gias validadas para o controle da hipertens&#227;o.</p><p><strong>Metodologia:</strong> Ensaios cl&#237;nicos de fase III, multic&#234;ntricos, randomizados, duplo-cegos, controlados por ativo (dois estudos). | <strong>N:</strong> N&#227;o explicitado no abstract (dois estudos de fase III).</p><p>&#128161; <strong>Insight:</strong> Os resultados desses ensaios de fase III fornecem dados robustos para meta-an&#225;lises sobre a efic&#225;cia e seguran&#231;a de terapias combinadas de baixa dose em comprimido &#250;nico versus monoterapia para hipertens&#227;o leve a moderada, especificamente na redu&#231;&#227;o da press&#227;o arterial e tolerabilidade.</p><div><hr></div><h3><strong>15. <a href="https://pubmed.ncbi.nlm.nih.gov/41379039/">Behavioral Economics and Medication Adherence for Hypertension: A Randomized Clinical Trial.</a></strong></h3><p><strong>Journal:</strong> Journal of the American College of Cardiology (2026 May)</p><p>Uma interven&#231;&#227;o de economia comportamental baseada em sa&#250;de m&#243;vel (mHealth) com loteria de incentivo <strong>(I)</strong> dobrou a taxa de ades&#227;o adequada a medicamentos anti-hipertensivos <strong>(O)</strong> em 400 adultos <strong>(P)</strong> de uma popula&#231;&#227;o vulner&#225;vel com hipertens&#227;o, em compara&#231;&#227;o com o monitoramento passivo <strong>(C)</strong>. No entanto, essa melhoria significativa na ades&#227;o n&#227;o resultou em redu&#231;&#227;o significativa da press&#227;o arterial sist&#243;lica <strong>(O)</strong> em 6 meses. O estudo demonstra a efic&#225;cia da mHealth na melhoria da ades&#227;o, mas destaca a complexidade da tradu&#231;&#227;o direta para o controle da press&#227;o arterial.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado. | <strong>N:</strong> 400</p><p>&#128161; <strong>Insight:</strong> Este estudo &#233; um importante contribuinte para meta-an&#225;lises sobre interven&#231;&#245;es de mHealth e incentivos baseados em economia comportamental para melhorar a ades&#227;o &#224; medica&#231;&#227;o em pacientes hipertensos, especialmente em popula&#231;&#245;es carentes. Ele tamb&#233;m pode informar revis&#245;es sistem&#225;ticas que exploram a lacuna entre a ades&#227;o e o controle direto da press&#227;o arterial.</p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!NWPS!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!NWPS!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/850a20ca-b198-457e-9038-4615ce15001d_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Oncologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Oncologia" title="Oncologia" srcset="/__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/42134381/">Hypofractionated breast radiotherapy for 1 week versus 3 weeks (FAST-Forward): 10-year efficacy and late normal tissue effects from a multicentre, open-label, non-inferiority, phase 3, randomised controlled trial and 5-year efficacy results from a randomised axillary substudy.</a></strong></h3><p><strong>Journal:</strong> The Lancet. Oncology (2026 May)</p><p>O acompanhamento de 10 anos do estudo FAST-Forward confirmou que 26 Gy em cinco fra&#231;&#245;es durante uma semana <strong>(I)</strong> para radioterapia adjuvante em carcinoma de mama em est&#225;gio inicial <strong>(P)</strong> &#233; seguro e eficaz, demonstrando taxas de recorr&#234;ncia ipsilateral <strong>(O)</strong> semelhantes ao regime padr&#227;o de 40 Gy em 15 fra&#231;&#245;es em tr&#234;s semanas <strong>(C)</strong>. Esta abordagem mais curta mant&#233;m um perfil de toxicidade aceit&#225;vel e &#233; apoiada como um novo padr&#227;o de cuidado <strong>(O)</strong>. Os dados de efic&#225;cia para este esquema no cen&#225;rio de tratamento axilar s&#227;o tranquilizadores.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado controlado, fase 3, multic&#234;ntrico, aberto, de n&#227;o inferioridade. | <strong>N:</strong> 4087</p><p>&#128161; <strong>Insight:</strong> Estes resultados de 10 anos de um grande RCT s&#227;o cruciais para meta-an&#225;lises avaliando a efic&#225;cia a longo prazo e a toxicidade de regimes de radioterapia hipofracionada para c&#226;ncer de mama em est&#225;gio inicial, consolidando a evid&#234;ncia para as diretrizes cl&#237;nicas.</p>
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      </p>
   ]]></content:encoded></item><item><title><![CDATA[Boletim #15 · Semaglutida para alcoolismo: o Ozempic pode reduzir a bebida?]]></title><description><![CDATA[92 trials triados &#183; 21 especialidades &#183; 9 destaques]]></description><link>https://boletimmb.substack.com/p/boletim-16-semaglutida-para-alcoolismo</link><guid isPermaLink="false">https://boletimmb.substack.com/p/boletim-16-semaglutida-para-alcoolismo</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Sat, 09 May 2026 15:26:18 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!w3CG!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8761b264-5a5d-4fe9-a051-e727b1c69db5_1080x1350.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" 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/__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><p style="text-align: center;"><strong>&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real<br>&#127942; Curadoria de +400 journals em +35 especialidades<br>&#129504; Resumos claros e r&#225;pidos + insights para meta-an&#225;lise<br>&#128640; Base para novos projetos e publica&#231;&#245;es cient&#237;ficas</strong></p><p style="text-align: center;"><strong>Os principais destaques da semana est&#227;o ao final.</strong></p><p style="text-align: center;"><strong>&#128073; Novo por aqui? Veja como extrair o m&#225;ximo do Boletim MB:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916&quot;,&quot;text&quot;:&quot;Guia pr&#225;tico: como usar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/boletimmb.substack.com/p/79f4a308-f19a-493e-be92-8381cb38c916"><span>Guia pr&#225;tico: como usar o Boletim MB</span></a></p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!avDp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!avDp!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Cardiologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Cardiologia" title="Cardiologia" srcset="/__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!avDp!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0702f216-1147-4c46-b52a-5cda6acf0c81_1000x50.png 1456w" sizes="100vw"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/40886179/">Temporal modulation of antiplatelet therapy in high-risk patients undergoing complex percutaneous coronary intervention: the TAILORED-CHIP randomized clinical trial.</a></strong></h3><p><strong>Journal:</strong> European heart journal (2026 May)</p><p>Em 2018 pacientes de alto risco <strong>(P)</strong> submetidos &#224; interven&#231;&#227;o coron&#225;ria percut&#226;nea (ICP) complexa, uma estrat&#233;gia antiplaquet&#225;ria &#8220;tailored&#8221; com escalonamento precoce e desescalonamento tardio <strong>(I)</strong> n&#227;o demonstrou redu&#231;&#227;o nos eventos adversos l&#237;quidos prim&#225;rios <strong>(O)</strong> em 12 meses, quando comparada &#224; terapia antiplaquet&#225;ria dupla (clopidogrel + aspirina) padr&#227;o <strong>(C)</strong>. Al&#233;m disso, a estrat&#233;gia tailored resultou em maior incid&#234;ncia de sangramento clinicamente relevante, sugerindo que ela n&#227;o &#233; superior na popula&#231;&#227;o estudada.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado (RCT). | <strong>N:</strong> 2018</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui para uma meta-an&#225;lise que compara diferentes estrat&#233;gias de terapia antiplaquet&#225;ria (incluindo desescalonamento e tailored therapy) ap&#243;s ICP complexa em pacientes de alto risco, avaliando desfechos isqu&#234;micos e hemorr&#225;gicos.</p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/40794640/">Cardiovascular benefit of continuous positive airway pressure according to high-risk obstructive sleep apnoea: a multi-trial analysis.</a></strong></h3><p><strong>Journal:</strong> European heart journal (2026 May)</p><p>Em uma an&#225;lise agrupada de 3549 participantes <strong>(P)</strong> com doen&#231;a cardiovascular e apneia obstrutiva do sono (SAOS), o tratamento com CPAP <strong>(I)</strong> demonstrou um benef&#237;cio maior na redu&#231;&#227;o de eventos cardiovasculares adversos maiores (MACCE) <strong>(O)</strong> para pacientes com SAOS de alto risco, em compara&#231;&#227;o com os cuidados usuais <strong>(C)</strong>. Curiosamente, foi observado um poss&#237;vel dano em pacientes com SAOS de baixo risco, destacando a import&#226;ncia da estratifica&#231;&#227;o de risco para a sele&#231;&#227;o de pacientes que realmente se beneficiam do CPAP.</p><p><strong>Metodologia:</strong> An&#225;lise post hoc agrupada de m&#250;ltiplos ensaios cl&#237;nicos randomizados. | <strong>N:</strong> 3549</p><p>&#128161; <strong>Insight:</strong> Este estudo permite testar a hip&#243;tese de modifica&#231;&#227;o de efeito pela gravidade da SAOS em pacientes com doen&#231;a cardiovascular, sendo crucial para futuras meta-an&#225;lises de subgrupos sobre o impacto do CPAP em desfechos cardiovasculares.</p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/42085325/">A nurse-coordinated intervention programme vs standard of care after an acute coronary syndrome: the ALLEPRE trial.</a></strong></h3><p><strong>Journal:</strong> European heart journal (2026 May)</p><p>O ensaio ALLEPRE randomizou 2057 pacientes <strong>(P)</strong> ap&#243;s uma s&#237;ndrome coronariana aguda para um programa de interven&#231;&#227;o coordenado por enfermeiro (NCPP) <strong>(I)</strong> ou cuidados padr&#227;o (SOC) <strong>(C)</strong>. O NCPP reduziu significativamente o desfecho composto de morte cardiovascular, infarto n&#227;o-fatal e AVC n&#227;o-fatal (MACE) <strong>(O)</strong>, principalmente por diminui&#231;&#227;o de infartos n&#227;o-fatais, e melhorou a atividade f&#237;sica, controle de peso e ades&#227;o &#224; medica&#231;&#227;o. Os achados refor&#231;am o papel vital da enfermagem na preven&#231;&#227;o secund&#225;ria de longo prazo.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado, multic&#234;ntrico, pragm&#225;tico, intervencional. | <strong>N:</strong> 2057</p><p>&#128161; <strong>Insight:</strong> Este estudo &#233; uma contribui&#231;&#227;o valiosa para uma meta-an&#225;lise que avalia a efic&#225;cia de interven&#231;&#245;es coordenadas por enfermeiros na preven&#231;&#227;o secund&#225;ria de eventos cardiovasculares em pacientes p&#243;s-s&#237;ndrome coronariana aguda.</p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/41879583/">High-Sensitivity Cardiac Troponin T-gen6 Assay in Suspected Myocardial Infarction: Diagnostic Accuracy, Cutoffs, and Clinical Implications.</a></strong></h3><p><strong>Journal:</strong> Journal of the American College of Cardiology (2026 May)</p><p>Em 3346 pacientes <strong>(P)</strong> com suspeita de infarto do mioc&#225;rdio na emerg&#234;ncia, o novo ensaio de troponina T card&#237;aca de alta sensibilidade (hs-cTnT) gera&#231;&#227;o 6 (gen6) <strong>(I)</strong> demonstrou desempenho diagn&#243;stico excelente e compar&#225;vel ao hs-cTnT gen5 <strong>(C)</strong>. O gen6 identificou menos pacientes com les&#227;o mioc&#225;rdica e ofereceu cutoffs otimizados para algoritmos de 0/1 e 0/2 horas da Sociedade Europeia de Cardiologia <strong>(O)</strong> com alta sensibilidade e especificidade. Este ensaio representa uma alternativa promissora para o diagn&#243;stico r&#225;pido de infarto.</p><p><strong>Metodologia:</strong> An&#225;lise secund&#225;ria de estudo diagn&#243;stico, internacional, prospectivo, com adjudica&#231;&#227;o central. | <strong>N:</strong> 3346</p><p>&#128161; <strong>Insight:</strong> Este estudo pode ser inclu&#237;do em meta-an&#225;lises que comparam a acur&#225;cia diagn&#243;stica de diferentes gera&#231;&#245;es de ensaios de troponina card&#237;aca de alta sensibilidade para o diagn&#243;stico de infarto agudo do mioc&#225;rdio, especialmente em cen&#225;rios de algoritmos de avalia&#231;&#227;o r&#225;pida.</p><div><hr></div><h3><strong>5. <a href="https://pubmed.ncbi.nlm.nih.gov/40878717/">Tricuspid valve replacement outcomes by baseline tricuspid regurgitation severity: the TRISCEND II trial.</a></strong></h3><p><strong>Journal:</strong> European heart journal (2026 May)</p><p>O estudo TRISCEND II avaliou 400 pacientes sintom&#225;ticos <strong>(P)</strong> com regurgita&#231;&#227;o tric&#250;spide (RT) &#8805; grave, comparando o sistema EVOQUE de substitui&#231;&#227;o valvar tric&#250;spide transcateter (TTVR) <strong>(I)</strong> com a terapia m&#233;dica isolada <strong>(C)</strong>. O TTVR demonstrou benef&#237;cios cl&#237;nicos superiores, incluindo melhora na gravidade da RT, capacidade funcional e qualidade de vida <strong>(O)</strong>, independentemente da gravidade basal da RT, com um sinal de maior benef&#237;cio em pacientes com doen&#231;a mais avan&#231;ada. O TTVR tamb&#233;m favoreceu a redu&#231;&#227;o de hospitaliza&#231;&#245;es por insufici&#234;ncia card&#237;aca na coorte com RT maci&#231;a/torrencial.</p><p><strong>Metodologia:</strong> Ensaio cl&#237;nico randomizado (2:1 TTVR vs controle), multic&#234;ntrico, prospectivo, com an&#225;lise post hoc de subgrupos. | <strong>N:</strong> 400</p><p>&#128161; <strong>Insight:</strong> Este estudo contribui para meta-an&#225;lises sobre a efic&#225;cia e seguran&#231;a da substitui&#231;&#227;o valvar tric&#250;spide transcateter em pacientes com regurgita&#231;&#227;o tric&#250;spide, permitindo uma an&#225;lise de subgrupos com base na gravidade basal da doen&#231;a.</p><div><hr></div><h3><strong>6. <a href="https://pubmed.ncbi.nlm.nih.gov/42070248/">Prospective Trial of Radiofrequency Catheter Ablation of High Dominant Frequencies After Pulmonary Vein Isolation in Non-Paroxysmal Atrial Fibrillation (PAD-AF Trial): A Multicenter, Randomized Clinical Trial.</a></strong></h3><p><strong>Journal:</strong> Journal of cardiovascular electrophysiology (2026 May)</p><p>Em pacientes com fibrila&#231;&#227;o atrial n&#227;o parox&#237;stica <strong>(P)</strong> e s&#237;tios de alta frequ&#234;ncia dominante (DF &#8805;7Hz), a abla&#231;&#227;o adjuntiva guiada por DF <strong>(I)</strong> ap&#243;s isolamento de veias pulmonares (PVI) n&#227;o resultou em melhora estatisticamente significativa na sobrevida livre de arritmia em compara&#231;&#227;o com PVI isolado <strong>(C)</strong> em 12 meses <strong>(O)</strong>. A aus&#234;ncia de s&#237;tios de alta DF, no entanto, foi associada a desfechos favor&#225;veis, destacando o valor progn&#243;stico da remodela&#231;&#227;o atrial direita e a necessidade de aprimorar a sele&#231;&#227;o de pacientes para terapias guiadas por DF.</p><p><strong>Metodologia:</strong> Multicenter, Randomized Clinical Trial, Prospective | <strong>N:</strong> 103</p><p>&#128161; <strong>Insight:</strong> Este estudo multic&#234;ntrico contribui para meta-an&#225;lises existentes sobre a efic&#225;cia de estrat&#233;gias de abla&#231;&#227;o adjuntivas &#224; PVI para FA persistente, especificamente testando a hip&#243;tese da abla&#231;&#227;o guiada por DF. Permite explorar o papel de fatores como a remodela&#231;&#227;o atrial direita como preditores de recorr&#234;ncia.</p><div><hr></div><h3><strong>7. <a href="https://pubmed.ncbi.nlm.nih.gov/41706062/">Comparison of the European Society of Cardiology 0/1-Hour and High-Sensitivity Troponin in the Evaluation of Patients With Suspected Acute Coronary Syndrome 0/2-or-0/3-Hour Algorithms for Rapid Myocardial Infarction Diagnosis: A Prospective Multicenter Study.</a></strong></h3><p><strong>Journal:</strong> Journal of the American College of Cardiology (2026 May)</p><p>Em pacientes <strong>(P)</strong> que se apresentavam com desconforto tor&#225;cico agudo e suspeita de s&#237;ndrome coronariana aguda, este estudo comparou o algoritmo 0/1h da ESC <strong>(I)</strong> e a via 0/2h-0/3h do High-STEACS <strong>(C)</strong> para o diagn&#243;stico de NSTEMI tipo 1 <strong>(O)</strong>, utilizando diferentes ensaios de troponina de alta sensibilidade. Ambos os algoritmos demonstraram excelente desempenho, com o ESC 0/1h exibindo maior sensibilidade e especificidade geral, enquanto o High-STEACS 0/2h-0/3h permitiu uma maior propor&#231;&#227;o de pacientes na zona de exclus&#227;o de IAM, fornecendo evid&#234;ncias para a escolha do protocolo mais adequado alinhado &#224;s prioridades cl&#237;nicas e operacionais.</p><p><strong>Metodologia:</strong> Prospective, International, Multicenter, Diagnostic Study | <strong>N:</strong> 4663</p><p>&#128161; <strong>Insight:</strong> Este estudo fornece dados robustos para meta-an&#225;lises que comparam a acur&#225;cia diagn&#243;stica e a efici&#234;ncia cl&#237;nica de diferentes algoritmos de troponina de alta sensibilidade (0/1h vs 0/2h/0/3h) para o diagn&#243;stico r&#225;pido de NSTEMI, especialmente considerando o tipo de ensaio de troponina utilizado.</p><div><hr></div><h3><strong>8. <a href="https://pubmed.ncbi.nlm.nih.gov/42100816/">Determining the Physiological Threshold for Angina (ORBITA-FIRE): A Double-Blind, Randomized, Placebo-Controlled Study.</a></strong></h3><p><strong>Journal:</strong> Circulation (2026 May)</p><p>Em pacientes <strong>(P)</strong> com angina est&#225;vel e doen&#231;a arterial coronariana univascular, este estudo duplo-cego avaliou os limiares fisiol&#243;gicos de angina (FFR_angina e RFR_angina) em repouso e durante o exerc&#237;cio <strong>(O)</strong>, por meio de infla&#231;&#227;o incremental de bal&#227;o in-stent verificada contra infla&#231;&#227;o de placebo <strong>(I/C)</strong>. Os resultados demonstram que esses limiares s&#227;o altamente individualizados, variam com a carga de trabalho card&#237;aca e s&#227;o consistentemente mais baixos do que os limiares diagn&#243;sticos de isquemia padr&#227;o, sugerindo a necessidade de integrar fisiologia personalizada para otimizar a sele&#231;&#227;o de pacientes para PCI e a resposta sintom&#225;tica.</p><p><strong>Metodologia:</strong> Multicenter, Double-Blind, Randomized, Placebo-Controlled Study | <strong>N:</strong> 65</p><p>&#128161; <strong>Insight:</strong> Este estudo abre uma lacuna para revis&#245;es sistem&#225;ticas que busquem correlacionar limiares fisiol&#243;gicos de isquemia com a percep&#231;&#227;o de angina em diversas condi&#231;&#245;es, e para meta-an&#225;lises que avaliem a efic&#225;cia de estrat&#233;gias de revasculariza&#231;&#227;o guiadas por fisiologia personalizada versus limiares de isquemia universais para o al&#237;vio de sintomas.</p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!NWPS!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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src="/__u/substackcdn.com/image/fetch/$s_!NWPS!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png" width="1000" height="50" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/850a20ca-b198-457e-9038-4615ce15001d_1000x50.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:50,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Oncologia&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Oncologia" title="Oncologia" srcset="/__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 424w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 848w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1272w, /__u/substackcdn.com/image/fetch/$s_!NWPS!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F850a20ca-b198-457e-9038-4615ce15001d_1000x50.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><h3><strong>1. <a href="https://pubmed.ncbi.nlm.nih.gov/41855781/">Survival modelling of relapse-free survival and competing-risk analysis in patients with high-risk localized prostate cancer treated in GETUG-12.</a></strong></h3><p><strong>Journal:</strong> European journal of cancer (Oxford, England : 1990) (2026 May)</p><p>Analisando dados prospectivos do ensaio GETUG12, este estudo em homens com c&#226;ncer de pr&#243;stata localizado de alto risco <strong>(P)</strong> tratados com terapia de priva&#231;&#227;o androg&#234;nica (TPA) com ou sem docetaxel e estramustina <strong>(I/C)</strong> demonstrou que o intervalo de tempo desde a randomiza&#231;&#227;o at&#233; a progress&#227;o bioqu&#237;mica &#233; um fator progn&#243;stico majorit&#225;rio para o desenvolvimento de recorr&#234;ncias locais ou distantes <strong>(O)</strong>. Esse achado auxilia na melhor estratifica&#231;&#227;o de risco e no planejamento de acompanhamento individualizado para esses pacientes.</p><p><strong>Metodologia:</strong> An&#225;lise de dados prospectivos de um ensaio cl&#237;nico randomizado de fase 3 (GETUG12), utilizando modelos param&#233;tricos de sobrevida e an&#225;lise de riscos competitivos. | <strong>N:</strong> 413</p><p>&#128161; <strong>Insight:</strong> Contribui para meta-an&#225;lises que exploram fatores progn&#243;sticos e padr&#245;es de recidiva em pacientes com c&#226;ncer de pr&#243;stata de alto risco tratados com TPA. Permite testar a hip&#243;tese de que a cin&#233;tica da resposta inicial (tempo at&#233; a progress&#227;o bioqu&#237;mica) &#233; um preditor robusto de eventos oncol&#243;gicos subsequentes.</p><div><hr></div><h3><strong>2. <a href="https://pubmed.ncbi.nlm.nih.gov/41780181/">MRI in advanced ovarian cancer: multicentre MISSION trial.</a></strong></h3><p><strong>Journal:</strong> European journal of cancer (Oxford, England : 1990) (2026 May)</p><p>Em um estudo de coorte prospectivo multic&#234;ntrico (MISSION), a resson&#226;ncia magn&#233;tica (RM) <strong>(I)</strong> demonstrou capacidade diagn&#243;stica acurada para prever a exequibilidade de cirurgia citorredutora de intervalo (CRS) completa em pacientes com c&#226;ncer de ov&#225;rio avan&#231;ado (est&#225;gio FIGO III-IV) <strong>(P)</strong>. Com uma AUC de 0,76 (melhorando para 0,88 com divulga&#231;&#227;o intraoperat&#243;ria), a RM se destaca como uma ferramenta de estadiamento n&#227;o invasiva, otimizando o planejamento cir&#250;rgico e a detec&#231;&#227;o de les&#245;es <strong>(O)</strong>, e suporta a sua integra&#231;&#227;o na pr&#225;tica cl&#237;nica.</p><p><strong>Metodologia:</strong> Estudo de coorte prospectivo multic&#234;ntrico. | <strong>N:</strong> 194</p><p>&#128161; <strong>Insight:</strong> Contribui para uma meta-an&#225;lise sobre a acur&#225;cia diagn&#243;stica de diferentes modalidades de imagem (CT, MRI) na predi&#231;&#227;o da ressecabilidade completa em c&#226;ncer de ov&#225;rio avan&#231;ado. Permite testar a hip&#243;tese de que a RM &#233; superior &#224; TC para estadiamento pr&#233;-operat&#243;rio.</p><div><hr></div><h3><strong>3. <a href="https://pubmed.ncbi.nlm.nih.gov/41806521/">Cemiplimab versus historical systemic treatments for locally advanced or metastatic cutaneous squamous cell carcinomas: Results from the French study TOSCA.</a></strong></h3><p><strong>Journal:</strong> European journal of cancer (Oxford, England : 1990) (2026 May)</p><p>O estudo TOSCA, um estudo retrospectivo multic&#234;ntrico franc&#234;s, comparou a efic&#225;cia e seguran&#231;a do cemiplimab <strong>(I)</strong> versus terapias sist&#234;micas hist&#243;ricas (TSH) <strong>(C)</strong> em pacientes com carcinoma espinocelular cut&#226;neo (CECC) localmente avan&#231;ado ou metast&#225;tico <strong>(P)</strong>. O cemiplimab demonstrou melhor sobrevida global (21,2 vs 9,8 meses; HR 0,57) e sobrevida livre de progress&#227;o (13,7 vs 5,3 meses; HR 0,57) <strong>(O)</strong>, sublinhando a import&#226;ncia deste anticorpo anti-PD-1 como tratamento superior para CECC avan&#231;ado em um cen&#225;rio de vida real.</p><p><strong>Metodologia:</strong> Estudo retrospectivo, multic&#234;ntrico, comparando uma coorte de acesso precoce com uma coorte hist&#243;rica (utilizando pondera&#231;&#227;o de probabilidade inversa). | <strong>N:</strong> 280 (129 no grupo cemiplimab e 70 no grupo HST para an&#225;lise de efic&#225;cia)</p><p>&#128161; <strong>Insight:</strong> Contribui para meta-an&#225;lises de evid&#234;ncias do mundo real (real-world evidence) que avaliam a efic&#225;cia e seguran&#231;a de inibidores de checkpoint em carcinoma espinocelular cut&#226;neo avan&#231;ado, complementando dados de ensaios cl&#237;nicos randomizados.</p><div><hr></div><h3><strong>4. <a href="https://pubmed.ncbi.nlm.nih.gov/41880871/">Randomized phase II study of FOLFIRI plus ramucirumab versus FOLFOXIRI plus ramucirumab as first-line treatment for metastatic colorectal cancer: WJOG9216G (RECAST).</a></strong></h3><p><strong>Journal:</strong> European journal of cancer (Oxford, England : 1990) (2026 May)</p><p>Em um estudo fase II randomizado, pacientes com c&#226;ncer colorretal metast&#225;tico <strong>(P)</strong> n&#227;o tratados foram comparados com FOLFIRI mais ramucirumab <strong>(I)</strong> versus FOLFOXIRI mais ramucirumab <strong>(C)</strong> como tratamento de primeira linha. Embora a taxa de resposta objetiva tenha sido similar, o bra&#231;o FOLFIRI-RAM demonstrou melhor sobrevida global e menor toxicidade <strong>(O)</strong>, sugerindo que FOLFOXIRI-RAM n&#227;o &#233; superior e FOLFIRI-RAM possui um perfil favor&#225;vel. Este achado pode impactar a escolha da quimioterapia de primeira linha para esta popula&#231;&#227;o, priorizando FOLFIRI-RAM pela efic&#225;cia e seguran&#231;a.</p><p><strong>Metodologia:</strong> Ensaio Cl&#237;nico Randomizado Fase II | <strong>N:</strong> 122</p><p>&#128161; <strong>Insight:</strong> Este estudo fase II fornece dados importantes sobre a combina&#231;&#227;o de ramucirumab com diferentes regimes de quimioterapia. Seus resultados podem ser inclu&#237;dos em futuras meta-an&#225;lises comparando regimes triplos versus duplos com agentes antiangiog&#234;nicos no c&#226;ncer colorretal metast&#225;tico.</p><div><hr></div><h3><strong>5. <a href="https://pubmed.ncbi.nlm.nih.gov/42096662/">Multicenter, Randomized, Phase II Trial of Olaparib Plus Radium-223 Versus Radium-223 in Men With Castration-Resistant Prostate Cancer With Bone Metastases (COMRADE).</a></strong></h3><p><strong>Journal:</strong> Journal of clinical oncology : official journal of the American Society of Clinical Oncology (2026 May)</p><p>Em um estudo de fase II randomizado e multic&#234;ntrico, homens com c&#226;ncer de pr&#243;stata resistente &#224; castra&#231;&#227;o metast&#225;tico com met&#225;stases &#243;sseas <strong>(P)</strong> receberam olaparibe mais r&#225;dio-223 <strong>(I)</strong> ou apenas r&#225;dio-223 <strong>(C)</strong>. A combina&#231;&#227;o prolongou significativamente a sobrevida livre de progress&#227;o radiogr&#225;fica <strong>(O)</strong> (mediana 8.9 vs 4.7 meses, HR 0.50, p=0.0042), especialmente em pacientes sem docetaxel pr&#233;vio e com menor carga tumoral &#243;ssea, apesar de maior toxicidade hematol&#243;gica. Este regime &#233; promissor e apoia a explora&#231;&#227;o de estrat&#233;gias direcionadas ao dano do DNA nesta popula&#231;&#227;o.</p><p><strong>Metodologia:</strong> Ensaio Cl&#237;nico Randomizado Fase II, Multic&#234;ntrico | <strong>N:</strong> 120</p><p>&#128161; <strong>Insight:</strong> Este estudo fornece evid&#234;ncias de efic&#225;cia de um inibidor de PARP em combina&#231;&#227;o com r&#225;dio-223. Os dados podem ser incorporados em uma futura revis&#227;o sistem&#225;tica ou meta-an&#225;lise que avalie a adi&#231;&#227;o de inibidores de PARP a terapias direcionadas a met&#225;stases &#243;sseas no c&#226;ncer de pr&#243;stata, ou para avaliar a efic&#225;cia de olaparibe em popula&#231;&#245;es espec&#237;ficas.</p><div><hr></div><h3><strong>6. <a href="https://pubmed.ncbi.nlm.nih.gov/41880872/">Risk factors for CRS and ICANS with tarlatamab in small cell lung cancer and associated efficacy outcomes: Insights from clinical practice.</a></strong></h3><p><strong>Journal:</strong> European journal of cancer (Oxford, England : 1990) (2026 May)</p><p>Em um estudo retrospectivo multic&#234;ntrico com pacientes de c&#226;ncer de pulm&#227;o de pequenas c&#233;lulas de est&#225;gio extenso <strong>(P)</strong> tratados com tarlatamabe <strong>(I)</strong>, identificaram-se fatores de risco para s&#237;ndrome de libera&#231;&#227;o de citocinas (CRS) e neurotoxicidade associada a c&#233;lulas efetoras imunes (ICANS) <strong>(O)</strong>. Alta carga da doen&#231;a, doen&#231;a hep&#225;tica e uso de oxig&#234;nio basal aumentaram o risco de CRS, enquanto alta carga da doen&#231;a e doen&#231;a do SNC impulsionaram o risco de ICANS, com efic&#225;cia clinicamente relevante demonstrada mesmo em popula&#231;&#245;es de alto risco. Estes achados s&#227;o cruciais para a sele&#231;&#227;o e monitoramento de pacientes na pr&#225;tica cl&#237;nica.</p><p><strong>Metodologia:</strong> Estudo Retrospectivo, Multic&#234;ntrico | <strong>N:</strong> 109</p><p>&#128161; <strong>Insight:</strong> Este estudo de vida real sobre tarlatamabe no SCLC pode contribuir para revis&#245;es sistem&#225;ticas que avaliem a seguran&#231;a e efic&#225;cia desta terapia em popula&#231;&#245;es do mundo real, complementando dados de ensaios cl&#237;nicos mais restritivos. Ele tamb&#233;m permite testar a hip&#243;tese de que fatores de risco como carga da doen&#231;a e doen&#231;a hep&#225;tica aumentam a probabilidade de eventos adversos graves com terapias direcionadas.</p><div><hr></div><h3><strong>7. <a href="https://pubmed.ncbi.nlm.nih.gov/41819026/">Tumor burden in metastatic colorectal cancer quantified using deep learning models: Prognostic value and maintenance treatment benefit in the CAIRO3 trial.</a></strong></h3><p><strong>Journal:</strong> European journal of cancer (Oxford, England : 1990) (2026 May)</p><p>Em uma an&#225;lise explorat&#243;ria de pacientes com c&#226;ncer colorretal metast&#225;tico <strong>(P)</strong> do estudo CAIRO3, quantificou-se a carga tumoral total (TTN e TTV) para avaliar seu valor progn&#243;stico e preditivo no benef&#237;cio da terapia de manuten&#231;&#227;o <strong>(I)</strong> versus observa&#231;&#227;o <strong>(C)</strong>. Maiores TTN e TTV foram independentemente associados a piores desfechos de PFS e OS <strong>(O)</strong>, e pacientes com menor TTV demonstraram maior benef&#237;cio da terapia de manuten&#231;&#227;o, sugerindo estes como potenciais biomarcadores preditivos. Estes achados podem guiar decis&#245;es terap&#234;uticas mais personalizadas.</p><p><strong>Metodologia:</strong> An&#225;lise Explorat&#243;ria Post-Hoc de Ensaio Cl&#237;nico Randomizado | <strong>N:</strong> 104</p><p>&#128161; <strong>Insight:</strong> Esta an&#225;lise explorat&#243;ria levanta uma importante hip&#243;tese sobre o papel da carga tumoral como biomarcador preditivo para a terapia de manuten&#231;&#227;o no c&#226;ncer colorretal metast&#225;tico. Os resultados podem ser utilizados para guiar futuras meta-an&#225;lises que investiguem a intera&#231;&#227;o entre carga tumoral e regimes de manuten&#231;&#227;o, ou para testar essa hip&#243;tese em diferentes coortes ou ensaios cl&#237;nicos.</p><div><hr></div><h3><strong>8. <a href="https://pubmed.ncbi.nlm.nih.gov/41819027/">Pleomorphic rhabdomyosarcoma, outcomes of patients with advanced disease treated with systemic agents: Retrospective study from the global pushing ultra-rare sarcomas towards hope (PUSH) consortium.</a></strong></h3><p><strong>Journal:</strong> European journal of cancer (Oxford, England : 1990) (2026 May)</p><p>Este estudo retrospectivo multic&#234;ntrico global avaliou os desfechos de pacientes adultos com rabdomiossarcoma pleom&#243;rfico avan&#231;ado <strong>(P)</strong> tratados com diversas terapias sist&#234;micas <strong>(I)</strong>. Regimes baseados em antraciclinas e gemcitabina mostraram atividade significativa, com taxas de resposta objetiva de 50% e 42% respectivamente, e sobrevida livre de progress&#227;o e sobrevida global <strong>(O)</strong> clinicamente relevantes. Estes s&#227;o os maiores dados dispon&#237;veis para esta doen&#231;a ultra-rara e fornecem evid&#234;ncias para a tomada de decis&#227;o cl&#237;nica.</p><p><strong>Metodologia:</strong> Estudo Retrospectivo, Multic&#234;ntrico Global | <strong>N:</strong> 77</p><p>&#128161; <strong>Insight:</strong> Este &#233; o maior estudo sobre rabdomiossarcoma pleom&#243;rfico avan&#231;ado tratado com agentes sist&#234;micos, preenchendo uma lacuna significativa na literatura. Os dados s&#227;o cruciais para uma futura revis&#227;o sistem&#225;tica que consolide a evid&#234;ncia sobre as op&#231;&#245;es de tratamento para esta doen&#231;a ultra-rara, podendo tamb&#233;m subsidiar o desenvolvimento de diretrizes cl&#237;nicas.</p><div><hr></div><h3><strong>9. <a href="https://pubmed.ncbi.nlm.nih.gov/41903301/">Phase Ia/Ib trial of the safety and efficacy of mobocertinib in combination with T-DM1 for patients with HER2-mutant solid tumors (WJOG16022M).</a></strong></h3><p><strong>Journal:</strong> European journal of cancer (Oxford, England : 1990) (2026 May)</p><p>Em um ensaio de fase Ia/Ib, a seguran&#231;a e a efic&#225;cia da combina&#231;&#227;o de mobocertinibe e trastuzumabe emtansina (T-DM1) <strong>(I)</strong> foram avaliadas em pacientes com tumores s&#243;lidos mutantes para HER2 <strong>(P)</strong>. A dose recomendada foi mobocertinibe 80mg/dia mais T-DM1, com eventos adversos manej&#225;veis e uma taxa de resposta objetiva de 28.6% e sobrevida livre de progress&#227;o mediana de 3.3 meses <strong>(O)</strong>. A combina&#231;&#227;o demonstrou viabilidade e potencial efic&#225;cia nesta popula&#231;&#227;o.</p><p><strong>Metodologia:</strong> Ensaio Cl&#237;nico Fase Ia/Ib | <strong>N:</strong> 28</p><p>&#128161; <strong>Insight:</strong> Este estudo fase I fornece dados iniciais de seguran&#231;a e efic&#225;cia de uma combina&#231;&#227;o de terapias direcionadas ao HER2. Os resultados podem ser inclu&#237;dos em futuras meta-an&#225;lises de estudos de fase I/II que avaliem novas combina&#231;&#245;es terap&#234;uticas para tumores s&#243;lidos HER2-mutantes, ou para informar o desenho de ensaios de fase II maiores para esta combina&#231;&#227;o espec&#237;fica.</p><div><hr></div><h3><strong>10. <a href="https://pubmed.ncbi.nlm.nih.gov/41895001/">Histological subtype and receptor characteristics of cancers detected or missed by digital mammography and tomosynthesis: Results from MAITA randomized trials.</a></strong></h3><p><strong>Journal:</strong> European journal of cancer (Oxford, England : 1990) (2026 May)</p><p>Em uma an&#225;lise agrupada de dois ensaios randomizados, mulheres submetidas a rastreamento de c&#226;ncer de mama <strong>(P)</strong> com tomoss&#237;ntese digital da mama (DBT) combinada com mamografia digital (DM) <strong>(I)</strong> versus DM isolada <strong>(C)</strong> demonstraram uma taxa de detec&#231;&#227;o 50% maior no primeiro rastreamento com DBT+DM. Embora a incid&#234;ncia de c&#226;ncer de intervalo tenha sido similar, a DBT detecta mais tumores de caracter&#237;sticas progn&#243;sticas favor&#225;veis <strong>(O)</strong> que seriam maiores em rodadas futuras, consolidando seu papel na detec&#231;&#227;o precoce. Estes achados podem refinar as diretrizes de rastreamento do c&#226;ncer de mama.</p><p><strong>Metodologia:</strong> An&#225;lise Agrupada de Ensaios Cl&#237;nicos Randomizados | <strong>N:</strong> 100743 (base), 82938 (seguimento)</p><p>&#128161; <strong>Insight:</strong> Este estudo fornece dados importantes sobre as caracter&#237;sticas dos c&#226;nceres detectados pela tomoss&#237;ntese versus mamografia, contribuindo para meta-an&#225;lises que avaliam o impacto da DBT na detec&#231;&#227;o de c&#226;ncer e na incid&#234;ncia de c&#226;ncer de intervalo. Ele pode ajudar a refinar o entendimento sobre quais subtipos de c&#226;ncer s&#227;o mais beneficiados pela DBT no rastreamento.</p><div><hr></div><h3><strong>11. <a href="https://pubmed.ncbi.nlm.nih.gov/41831267/">Clinical utility of large language models in metastatic prostate cancer: A multicenter expert validation for decision support.</a></strong></h3><p><strong>Journal:</strong> European journal of cancer (Oxford, England : 1990) (2026 May)</p><p>Em uma avalia&#231;&#227;o retrospectiva multic&#234;ntrica, cinco Large Language Models (LLMs) <strong>(I)</strong> foram testados para auxiliar no planejamento do tratamento sist&#234;mico inicial em pacientes com c&#226;ncer de pr&#243;stata metast&#225;tico <strong>(P)</strong>. Embora os modelos tenham demonstrado taxas de seguran&#231;a de 79-84.9% e pontua&#231;&#245;es de utilidade m&#233;dias elevadas <strong>(O)</strong>, 15-21% das sa&#237;das violaram os limites de seguran&#231;a, indicando que, no momento, os LLMs podem apoiar o cuidado como assistentes de reda&#231;&#227;o, mas n&#227;o para uso n&#227;o supervisionado em decis&#245;es de tratamento. Este achado ressalta a necessidade de valida&#231;&#227;o e supervis&#227;o humana cont&#237;nua.</p><p><strong>Metodologia:</strong> Avalia&#231;&#227;o Retrospectiva, Multic&#234;ntrica | <strong>N:</strong> 238</p><p>&#128161; <strong>Insight:</strong> Este estudo levanta quest&#245;es importantes sobre a seguran&#231;a e utilidade dos Large Language Models (LLMs) na pr&#225;tica cl&#237;nica, especialmente em contextos de alto risco. Ele pode servir de base para uma revis&#227;o sistem&#225;tica que avalie o desempenho e a seguran&#231;a de LLMs em diferentes cen&#225;rios cl&#237;nicos de suporte &#224; decis&#227;o, ou para testar a hip&#243;tese de que a taxa de erros cr&#237;ticos varia conforme a complexidade do caso e a qualidade da documenta&#231;&#227;o de entrada.</p><div><hr></div><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!BGmU!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F306bc401-687f-4e77-8cbd-4bf9f09deabe_1538x815.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!BGmU!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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      <p>
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   ]]></content:encoded></item><item><title><![CDATA[O que saiu na medicina em ABRIL]]></title><description><![CDATA[4 semanas. 4 edi&#231;&#245;es. Os trials que mais importaram.]]></description><link>https://boletimmb.substack.com/p/o-que-saiu-na-medicina-em-abril</link><guid isPermaLink="false">https://boletimmb.substack.com/p/o-que-saiu-na-medicina-em-abril</guid><dc:creator><![CDATA[Boletim MB]]></dc:creator><pubDate>Mon, 04 May 2026 17:47:16 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!cKKs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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(1024&#215;536)" srcset="/__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 424w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_848, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 848w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1272, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1272w, /__u/substackcdn.com/image/fetch/$s_!cKKs!, /__u/boletimmb.substack.com/w_1456, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_auto, /__u/boletimmb.substack.com/q_auto:good, /__u/boletimmb.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e71f163-4f64-4ca6-aeeb-71eea45592c7_1024x536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div></div></div></a></figure></div><h3>Abril foi mais um m&#234;s cheio de trials importantes , e o <em><strong>Boletim MB</strong></em> trouxe tudo isso direto na sua caixa de entrada, toda semana, sem enrola&#231;&#227;o.</h3><p>Caso tenha perdido alguma edi&#231;&#227;o (ou queira reler com mais calma), aqui est&#227;o todos os links:</p><div class="digest-post-embed" data-attrs="{&quot;nodeId&quot;:&quot;bfbd8510-0baf-4c7c-865b-f1039af4f30c&quot;,&quot;caption&quot;:&quot;&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real&quot;,&quot;cta&quot;:&quot;Read full story&quot;,&quot;showBylines&quot;:true,&quot;showDescription&quot;:true,&quot;showImage&quot;:true,&quot;size&quot;:&quot;sm&quot;,&quot;isEditorNode&quot;:true,&quot;title&quot;:&quot;Boletim MB #10 &#183; Descontinuar o betabloqueador p&#243;s-IAM &#233; seguro na fra&#231;&#227;o de eje&#231;&#227;o preservada?&quot;,&quot;publishedBylines&quot;:[{&quot;id&quot;:455758710,&quot;name&quot;:&quot;Boletim MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-04-04T18:10:08.601Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!9mNr!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F48b34669-ae8b-409c-91a1-ffb05b82744c_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/boletim-mb-04042026&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:193181802,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:3,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim MB &#128233;&quot;,&quot;publication_logo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!attH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png&quot;,&quot;belowTheFold&quot;:false,&quot;youtube_url&quot;:null,&quot;show_links&quot;:null,&quot;feed_url&quot;:null}"></div><div class="digest-post-embed" data-attrs="{&quot;nodeId&quot;:&quot;ed231e4e-403e-4c89-8ee4-75f3bb6fbcc8&quot;,&quot;caption&quot;:&quot;&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real&quot;,&quot;cta&quot;:&quot;Read full story&quot;,&quot;showBylines&quot;:true,&quot;showDescription&quot;:true,&quot;showImage&quot;:true,&quot;size&quot;:&quot;sm&quot;,&quot;isEditorNode&quot;:true,&quot;title&quot;:&quot;Boletim MB #11 &#183; A meta de LDL em preven&#231;&#227;o secund&#225;ria era conservadora demais?&quot;,&quot;publishedBylines&quot;:[{&quot;id&quot;:455758710,&quot;name&quot;:&quot;Boletim MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-04-11T13:37:23.559Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!yi6z!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Faf63d433-35d5-41db-bfca-e4fe150364b1_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/a-medicina-atualizada-na-palma-da&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:193885981,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:1,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim MB &#128233;&quot;,&quot;publication_logo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!attH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png&quot;,&quot;belowTheFold&quot;:false,&quot;youtube_url&quot;:null,&quot;show_links&quot;:null,&quot;feed_url&quot;:null}"></div><div class="digest-post-embed" data-attrs="{&quot;nodeId&quot;:&quot;ec29f53a-85b4-4d7b-9b00-0e885a51be20&quot;,&quot;caption&quot;:&quot;&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real&quot;,&quot;cta&quot;:&quot;Read full story&quot;,&quot;showBylines&quot;:true,&quot;showDescription&quot;:true,&quot;showImage&quot;:true,&quot;size&quot;:&quot;sm&quot;,&quot;isEditorNode&quot;:true,&quot;title&quot;:&quot;Boletim #12 &#183; Estamos entrando em uma nova era na preven&#231;&#227;o do AVC?&quot;,&quot;publishedBylines&quot;:[{&quot;id&quot;:455758710,&quot;name&quot;:&quot;Boletim MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-04-18T15:23:17.701Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z9t0!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F507e9a21-04a5-472d-9a3b-0e11fe4132d7_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/boletim-12-estamos-entrando-em-uma&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:194611519,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:0,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim MB &#128233;&quot;,&quot;publication_logo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!attH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png&quot;,&quot;belowTheFold&quot;:false,&quot;youtube_url&quot;:null,&quot;show_links&quot;:null,&quot;feed_url&quot;:null}"></div><div class="digest-post-embed" data-attrs="{&quot;nodeId&quot;:&quot;5b252b0b-3530-4e3a-8da1-b8796408a964&quot;,&quot;caption&quot;:&quot;&#128218; Sele&#231;&#227;o semanal de clinical trials com impacto real&quot;,&quot;cta&quot;:&quot;Read full story&quot;,&quot;showBylines&quot;:true,&quot;showDescription&quot;:true,&quot;showImage&quot;:true,&quot;size&quot;:&quot;sm&quot;,&quot;isEditorNode&quot;:true,&quot;title&quot;:&quot;Boletim #13 &#183; Ketamina na intuba&#231;&#227;o: melhor ou pior que etomidato?&quot;,&quot;publishedBylines&quot;:[{&quot;id&quot;:455758710,&quot;name&quot;:&quot;Boletim MB&quot;,&quot;bio&quot;:&quot;A medicina atualizada na palma da sua m&#227;o. &#128233;&quot;,&quot;photo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!Z7oC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff12edc8d-c976-41bb-ba73-a2a212499737_749x749.png&quot;,&quot;is_guest&quot;:false,&quot;bestseller_tier&quot;:null}],&quot;post_date&quot;:&quot;2026-04-25T13:38:59.825Z&quot;,&quot;cover_image&quot;:&quot;https://substackcdn.com/image/fetch/$s_!lbmy!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc47d4718-73db-4293-bf65-9fdb48065209_1080x1350.png&quot;,&quot;cover_image_alt&quot;:null,&quot;canonical_url&quot;:&quot;https://boletimmb.substack.com/p/boletim-13-ketamina-na-intubacao&quot;,&quot;section_name&quot;:null,&quot;video_upload_id&quot;:null,&quot;id&quot;:195432937,&quot;type&quot;:&quot;newsletter&quot;,&quot;reaction_count&quot;:2,&quot;comment_count&quot;:0,&quot;publication_id&quot;:7848546,&quot;publication_name&quot;:&quot;Boletim MB &#128233;&quot;,&quot;publication_logo_url&quot;:&quot;https://substackcdn.com/image/fetch/$s_!attH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F961876e4-f2a7-4570-a47b-c89b1d1d724c_1024x1024.png&quot;,&quot;belowTheFold&quot;:false,&quot;youtube_url&quot;:null,&quot;show_links&quot;:null,&quot;feed_url&quot;:null}"></div><h1 style="text-align: center;"><strong>Ainda n&#227;o &#233; assinante?</strong></h1><p>Voc&#234; pode testar o Boletim MB por 30 dias gratuitamente, sem compromisso.</p><p>Ao assinar, voc&#234; tem acesso &#224; atualiza&#231;&#227;o semanal com os principais trials da medicina e a todas as edi&#231;&#245;es anteriores j&#225; publicadas.</p><p><strong>&#128073;Teste por 30 dias no link a seguir:</strong></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://boletimmb.substack.com/subscribe?coupon=af753d33&amp;utm_content=196448072&quot;,&quot;text&quot;:&quot;Sim, eu quero testar o Boletim MB&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/boletimmb.substack.com/subscribe?coupon=af753d33&amp;utm_content=196448072"><span>Sim, eu quero testar o Boletim MB</span></a></p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!wE08!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3f22c868-d959-4f05-957d-4af0a48507a5_1920x891.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!wE08!, /__u/boletimmb.substack.com/w_424, /__u/boletimmb.substack.com/c_limit, /__u/boletimmb.substack.com/f_webp, /__u/boletimmb.substack.com/q_auto:good, 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