{"id":2233,"date":"2025-12-23T16:01:44","date_gmt":"2025-12-23T13:01:44","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/diseases\/uncategorized\/comunicacao-interventricular-pos-infarto\/"},"modified":"2025-12-23T16:01:55","modified_gmt":"2025-12-23T13:01:55","slug":"comunicacao-interventricular-pos-infarto","status":"publish","type":"diseases_post","link":"https:\/\/wiki.dev.voka.io\/pt\/doencas\/cardiologia\/comunicacao-interventricular-pos-infarto\/","title":{"rendered":"Comunica\u00e7\u00e3o interventricular p\u00f3s-infarto (PIVSD): etiologia, patog\u00eanese e tratamento"},"content":{"rendered":"<p><?xml encoding=\"UTF-8\" ?><\/p>\n<p>A comunica\u00e7\u00e3o interventricular p\u00f3s-infarto (PIVSD) \u00e9 a forma\u00e7\u00e3o de uma ruptura (orif\u00edcio) no septo ventricular do cora\u00e7\u00e3o ap\u00f3s um infarto agudo do mioc\u00e1rdio (IAM) na zona de necrose transmural. A deriva\u00e7\u00e3o da esquerda para a direita resultante causa uma sobrecarga hemodin\u00e2mica significativa do ventr\u00edculo direito e do pequeno c\u00edrculo circulat\u00f3rio. Em m\u00e9dia, um em cada quatro pacientes sem interven\u00e7\u00e3o cir\u00fargica morre nas primeiras 24 horas ap\u00f3s o desenvolvimento dessa complica\u00e7\u00e3o.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/cardiology\/post-infarction-ventricular-septal-defect\/myocardial-ischemic-damage-zone.webp\" alt=\"Comunica\u00e7\u00e3o interventricular (seta verde) e dano mioc\u00e1rdico isqu\u00eamico (seta amarela)\"><figcaption class=\"wp-element-caption\">Comunica\u00e7\u00e3o interventricular (seta verde) e dano mioc\u00e1rdico isqu\u00eamico (seta amarela) \u2013 <a href=\"https:\/\/catalog.voka.io\/en\/models\/d1df170c-51ef-4d23-93b5-0380d03866e5\/53b284e5-771a-4629-94f6-879bc6a3d7ff\/42d4800d-40d4-4848-9778-2779d83c01fc\/d6adb7a3-f7bb-4a7c-abd1-cfbf495cdfcb\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelo 3D<\/a><\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\" id=\"etiologia-e-mecanismos-subjacentes-da-pivsd\"><strong>Etiologia e mecanismos subjacentes da PIVSD <\/strong><\/h2>\n<h3 class=\"wp-block-heading\" id=\"epidemiologia-e-temporalidade\"><strong>Epidemiologia e temporalidade<\/strong><\/h3>\n<p>Na pr\u00e1tica atual, com a reperfus\u00e3o precoce, a incid\u00eancia de PIVSD diminuiu para \u22480,2\u20130,5% de todos os infartos do mioc\u00e1rdio. Na maioria das vezes, a comunica\u00e7\u00e3o interventricular se desenvolve entre o terceiro e o quinto dia ap\u00f3s o infarto; tamb\u00e9m foram descritos casos nas primeiras 24 horas ou mais tarde (5 a 14 dias).<\/p>\n<h3 class=\"wp-block-heading\" id=\"localizacao-e-principais-mecanismos\"><strong>Localiza\u00e7\u00e3o e principais mecanismos<\/strong><\/h3>\n<p>A art\u00e9ria principal associada \u00e0 PIVSD \u00e9 a art\u00e9ria interventricular anterior. Aproximadamente 60% dos casos de PIVSD est\u00e3o localizados na parte anterior\/apical do septo, 40% na parte posterior\/inferior.<\/p>\n<p>Os principais mecanismos que levam \u00e0 ruptura do septo ventricular incluem:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Necrose extensa.<\/strong> A oclus\u00e3o completa da art\u00e9ria coron\u00e1ria com fluxo sangu\u00edneo colateral inadequado causa necrose septal extensa.<\/li>\n<li><strong>Reperfus\u00e3o inadequada. <\/strong>A reperfus\u00e3o tardia ou inadequada leva \u00e0 necrose cont\u00ednua e ao enfraquecimento do tecido.<\/li>\n<li><strong>Carga mec\u00e2nica. <\/strong>O aumento da press\u00e3o\/carga no ventr\u00edculo esquerdo (VE) ap\u00f3s o IM cria for\u00e7as adicionais no septo enfraquecido.<\/li>\n<li><strong>Fatores de risco. <\/strong>Altera\u00e7\u00f5es relacionadas \u00e0 idade, diminui\u00e7\u00e3o das colaterais e aterosclerose coron\u00e1ria multirregional aumentam a probabilidade de ruptura do septo interventricular.<\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/cardiology\/post-infarction-ventricular-septal-defect\/coronary-artery-thrombotic-occlusion.webp\" alt=\"Oclus\u00e3o de um ramo da art\u00e9ria coron\u00e1ria esquerda\"><figcaption class=\"wp-element-caption\">Oclus\u00e3o de um ramo da art\u00e9ria coron\u00e1ria esquerda \u2013<a href=\"https:\/\/catalog.voka.io\/en\/models\/d1df170c-51ef-4d23-93b5-0380d03866e5\/1f733ae9-11f5-4eb9-97d2-3e5fa87fff9b\/22e5c912-a77d-43e6-b0cd-30ca10e37fd6\/a10564de-3979-40f7-bbe6-57c96527363d\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelo 3D<\/a><\/figcaption><\/figure>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/cardiology\/post-infarction-ventricular-septal-defect\/atherosclerotic-plaque.webp\" alt=\"Oclus\u00e3o tromb\u00f3tica da art\u00e9ria coron\u00e1ria devido ao estreitamento cr\u00edtico pela placa ateroscler\u00f3tica\"><figcaption class=\"wp-element-caption\">Oclus\u00e3o tromb\u00f3tica da art\u00e9ria coron\u00e1ria devido ao estreitamento cr\u00edtico pela placa ateroscler\u00f3tica \u2013 <a href=\"https:\/\/catalog.voka.io\/en\/models\/d1df170c-51ef-4d23-93b5-0380d03866e5\/1f733ae9-11f5-4eb9-97d2-3e5fa87fff9b\/22e5c912-a77d-43e6-b0cd-30ca10e37fd6\/a094f1e4-b284-4d99-84f6-bdb73ffd7ec6\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelo 3D<\/a><\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\" id=\"patogenese-e-disturbios-hemodinamicos\"><strong>Patog\u00eanese e dist\u00farbios hemodin\u00e2micos<\/strong><\/h2>\n<p>A comunica\u00e7\u00e3o interventricular p\u00f3s-infarto causa um complexo de anomalias hemodin\u00e2micas que, na maioria das vezes, levam \u00e0 insufici\u00eancia card\u00edaca aguda:<\/p>\n<ol class=\"wp-block-list\">\n<li><strong>Necrose da parede septal. <\/strong>No infarto do mioc\u00e1rdio transmural, ocorre uma necrose extensa do tecido do septo interventricular. Os cardiomi\u00f3citos necrosados perdem sua for\u00e7a.<\/li>\n<li><strong>Enfraquecimento estrutural. <\/strong> A necrose \u00e9 seguida por degrada\u00e7\u00e3o enzim\u00e1tica, edema inflamat\u00f3rio, lise do col\u00e1geno e diminui\u00e7\u00e3o da resist\u00eancia mec\u00e2nica do septo. Isso \u00e9 particularmente evidente nos primeiros 3 a 5 dias ap\u00f3s o IM.<\/li>\n<li><strong>Ruptura e forma\u00e7\u00e3o de deriva\u00e7\u00e3o esquerda-direita. <\/strong>Ocorre ruptura do septo ventricular e forma-se uma via de comunica\u00e7\u00e3o entre o ventr\u00edculo esquerdo (VE) e o ventr\u00edculo direito (VD). A eje\u00e7\u00e3o ventricular esquerda excessiva (da esquerda para a direita, ou deriva\u00e7\u00e3o L-R) causa dist\u00farbios hemodin\u00e2micos.<\/li>\n<li><strong>Sobrecarga da pequena circula\u00e7\u00e3o.<\/strong>Um grande volume de sangue flui atrav\u00e9s do defeito do ventr\u00edculo esquerdo (VE) \u2192 ventr\u00edculo direito (VD) \u2192 vasos pulmonares, o que leva a um aumento da press\u00e3o e do volume na pequena circula\u00e7\u00e3o.<\/li>\n<li><strong>Desenvolvimento de insufici\u00eancia card\u00edaca aguda e edema pulmonar. <\/strong>O aumento do fluxo de bypass leva \u00e0 sobrecarga do ventr\u00edculo direito e do fluxo sangu\u00edneo pulmonar, diminui\u00e7\u00e3o da eje\u00e7\u00e3o efetiva do ventr\u00edculo esquerdo, aumento da press\u00e3o arterial pulmonar e desenvolvimento de edema pulmonar.<\/li>\n<li><strong>Choque cardiog\u00eanico e fal\u00eancia multiorg\u00e2nica.<\/strong> Com defeito maci\u00e7o e hemodin\u00e2mica inst\u00e1vel, podem ocorrer choque cardiog\u00eanico, hipoperfus\u00e3o org\u00e2nica e alta probabilidade de morte.<\/li>\n<\/ol>\n<p>Em resumo, infarto \u2192 necrose septal \u2192 ruptura \u2192 deriva\u00e7\u00e3o esquerda-direita \u2192 sobrecarga do VD e dos pulm\u00f5es \u2192 insufici\u00eancia card\u00edaca\/choque.<\/p>\n<h2 class=\"wp-block-heading\" id=\"classificacao-e-manifestacoes-clinicas-da-pivsd\"><strong>Classifica\u00e7\u00e3o e manifesta\u00e7\u00f5es cl\u00ednicas da PIVSD<\/strong><\/h2>\n<h3 class=\"wp-block-heading\" id=\"classificacao-anatomica\"><strong>Classifica\u00e7\u00e3o anat\u00f4mica <\/strong><\/h3>\n<p>N\u00e3o existe uma classifica\u00e7\u00e3o internacional \u00fanica, mas as seguintes caracter\u00edsticas s\u00e3o utilizadas para escolher a estrat\u00e9gia de tratamento:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Anatomia do curso da ruptura:<\/strong> simples, complexo (curso tortuoso\/multin\u00edvel).<\/li>\n<li><strong>Localiza\u00e7\u00e3o:<\/strong> apical, anterior, posterior.<\/li>\n<li><strong>Momento do surgimento:<\/strong> precoce (<24 h), \u201ccl\u00e1ssico\u201d (dia 3\u20135), tardio (at\u00e9 1\u20132 semanas).<\/li>\n<li><strong>Gravidade:<\/strong> avalia\u00e7\u00e3o do tamanho do defeito, n\u00famero de defeitos e sua gravidade hemodin\u00e2mica.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"sintomas-clinicos\"><strong>Sintomas cl\u00ednicos <\/strong><\/h3>\n<p>O padr\u00e3o cl\u00e1ssico da PIVSD inclui:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Ausculta\u00e7\u00e3o. <\/strong>Aparecimento agudo de um sopro sist\u00f3lico ou sist\u00f3lico-diast\u00f3lico \u00e1spero no \u00e1pice do cora\u00e7\u00e3o<strong><\/strong>(um sintoma importante), frequentemente logo ap\u00f3s um ataque card\u00edaco. A natureza do sopro pode variar dependendo do tamanho e do n\u00famero de defeitos.<\/li>\n<li><strong>Sintomas pulmonares.<\/strong> Hipertens\u00e3o pulmonar, edema pulmonar e dispneia em r\u00e1pido aumento (devido ao shunt esquerdo-direito e \u00e0 sobrecarga circulat\u00f3ria).<\/li>\n<li><strong>Sinais de choque.<\/strong> Hipotens\u00e3o, taquicardia, suores frios, diminui\u00e7\u00e3o da diurese (sinais de <strong>choque cardiog\u00eanico<\/strong> em caso de defeito maci\u00e7o).<\/li>\n<li><strong>Sinais gerais.<\/strong> Fraqueza grave, confus\u00e3o (devido \u00e0 hipoperfus\u00e3o cerebral e org\u00e2nica).<\/li>\n<li><strong>Complica\u00e7\u00f5es.<\/strong> S\u00e3o poss\u00edveis arritmias e tromboembolismo.<\/li>\n<\/ul>\n<div class=\"social-banner-block\">\n<div class=\"social-banner-content\">\n<p class=\"h5-title text-black\">Encontra mais conte\u00fados cientificamente exactos nas nossas redes sociais<\/p>\n<p><span class=\"social-banner-text text-grey\">Subscreve e n\u00e3o percas os recursos mais recentes<\/span><\/p>\n<div class=\"social-links-wrapper\"><a class=\"social-icon-link\" href=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/facebook.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.instagram.com\/voka.io\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/insta.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.linkedin.com\/company\/voka-io\/posts\/?feedView=all\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/linkedin.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.youtube.com\/@vokaio\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/youtube.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.pinterest.com\/voka3danatomyandpathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/pinterest.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.tiktok.com\/@voka.io\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/tiktok.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/discord.gg\/7ejUpq8DRR\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/discord.svg\" alt=\"social link\"><\/a><\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"social-banner-image\" loading=\"lazy\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/social-media-banner-mobile-image.webp\" alt=\"Banner background\"><\/div>\n<h2 class=\"wp-block-heading\" id=\"metodos-de-diagnostico-e-tratamento\"><strong>M\u00e9todos de diagn\u00f3stico e tratamento<\/strong><\/h2>\n<h3 class=\"wp-block-heading\" id=\"diagnostico-de-pivsd\"><strong>Diagn\u00f3stico de PIVSD<\/strong><\/h3>\n<ol class=\"wp-block-list\">\n<li><strong>M\u00e9todos laboratoriais.<\/strong> N\u00edveis elevados de troponina I\/T e CK-MB (marcadores de infarto); n\u00edveis elevados de BNP\/NT-proBNP (insufici\u00eancia card\u00edaca); aumento do lactato em choque cardiog\u00eanico.<\/li>\n<li><strong>Ecocardiografia (echoCG).<\/strong> O m\u00e9todo de escolha para o diagn\u00f3stico de comunica\u00e7\u00e3o interventricular. Visualiza o defeito, o fluxo da esquerda para a direita, o tamanho do desvio e a avalia\u00e7\u00e3o da fun\u00e7\u00e3o do ventr\u00edculo esquerdo e direito. Se a visualiza\u00e7\u00e3o for ruim, \u00e9 indicado um ecocardiograma transesof\u00e1gico.<\/li>\n<li><strong>Angiografia coron\u00e1ria.<\/strong> Utilizada para avalia\u00e7\u00e3o coron\u00e1ria e planejamento de revasculariza\u00e7\u00e3o.<\/li>\n<li><strong>Monitoramento.<\/strong> Cateter de Swan-Ganz para avaliar a press\u00e3o do ventr\u00edculo direito, a press\u00e3o da art\u00e9ria pulmonar e o \u00edndice card\u00edaco (especialmente em choque). Press\u00e3o venosa central, press\u00e3o arterial invasiva, controle da diurese.<\/li>\n<li><strong>Resson\u00e2ncia magn\u00e9tica\/tomografia computadorizada do cora\u00e7\u00e3o.<\/strong> Raramente utilizada em situa\u00e7\u00f5es de emerg\u00eancia, mas pode ajudar a esclarecer o tamanho da necrose e a anatomia do defeito.<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\" id=\"tratamento-do-defeito-pos-infarto\"><strong>Tratamento do defeito p\u00f3s-infarto<\/strong><\/h3>\n<p>O objetivo principal \u00e9 estabilizar a hemodin\u00e2mica e fechar a ruptura.<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>M\u00e9todos conservadores.<\/strong> Usados temporariamente para estabiliza\u00e7\u00e3o. Inclua inotr\u00f3picos (dobutamina, milrinona) se a eje\u00e7\u00e3o estiver reduzida, vasodilatadores e redutores da p\u00f3s-carga (por exemplo, nitroprussiato) com cautela, especialmente em casos de hipotens\u00e3o. Betabloqueadores, diur\u00e9ticos, medicamentos antitromb\u00f3ticos, etc. O uso de certos grupos de medicamentos \u00e9 muito individualizado e depende do estado hemodin\u00e2mico do paciente.<\/li>\n<li><strong>Suporte circulat\u00f3rio mec\u00e2nico:<\/strong> pode ser considerado como um componente da terapia conservadora ou como uma ponte para o tratamento cir\u00fargico. O suporte pode ser realizado com contrapulsa\u00e7\u00e3o intra-a\u00f3rtica com bal\u00e3o, ECMO veno-arterial e bombas microaxiais intracard\u00edacas percut\u00e2neas.<\/li>\n<li><strong>T\u00e9cnicas intervencionistas (fechamento percut\u00e2neo):<\/strong> uso de oclusores por meio de acesso vascular. Indicado para pequenos defeitos, anatomia adequada e hemodin\u00e2mica est\u00e1vel. O oclusor \u00e9 colocado por meio de acesso transvenoso-transarterial sob o controle de ecocardiografia e fluoroscopia.<\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/cardiology\/post-infarction-ventricular-septal-defect\/vsd-occluder.webp\" alt=\"Oclusor de VSD \u2013 um exemplo generalizado\"><figcaption class=\"wp-element-caption\">Oclusor de VSD \u2013 um exemplo generalizado<\/figcaption><\/figure>\n<ul class=\"wp-block-list\">\n<li><strong>M\u00e9todos cir\u00fargicos (padr\u00e3o ouro):<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Indica\u00e7\u00f5es:<\/strong> defeito de qualquer tamanho + instabilidade hemodin\u00e2mica (choque cardiog\u00eanico, edema pulmonar).<\/li>\n<li><strong>T\u00e9cnica:<\/strong> a cirurgia de comunica\u00e7\u00e3o interventricular \u00e9 realizada em circunst\u00e2ncias de circula\u00e7\u00e3o extracorp\u00f3rea, mais comumente utilizando um patch (sint\u00e9tico ou autoperic\u00e1rdico).<\/li>\n<li><strong>Estrat\u00e9gia <\/strong>\u00e9 prefer\u00edvel realizar a cirurgia tardia (ap\u00f3s 2 a 4 semanas), quando o cord\u00e3o fibroso se formou e os tecidos est\u00e3o mais fortes (desde que o paciente esteja est\u00e1vel).<\/li>\n<li><strong>Na VSD apical<\/strong>, a incis\u00e3o \u00e9 feita atrav\u00e9s do \u00e1pice do ventr\u00edculo esquerdo infartado, seguida pela poss\u00edvel excis\u00e3o da por\u00e7\u00e3o apical e suturas de Teflon (mais frequentemente duas fileiras: colch\u00e3o e envolvente) para formar um novo \u00e1pice card\u00edaco.<\/li>\n<li>Em alguns casos, utiliza-se a <strong>t\u00e9cnica de plastia com patch com exclus\u00e3o da \u00e1rea infartada<\/strong>, em que o patch \u00e9 suturado ao tecido saud\u00e1vel no lado endoc\u00e1rdico e isola a cavidade do ventr\u00edculo esquerdo do defeito no septo ventricular.<\/li>\n<li><strong>Alternativa:<\/strong> se todos os m\u00e9todos forem ineficazes, considera-se o transplante ortot\u00f3pico do cora\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div>\n<h2 class=\"faq-title h2-article\" id=\"faq\">FAQ<\/h2>\n<div class=\"faq-section\">\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">1. O que \u00e9 uma comunica\u00e7\u00e3o interventricular p\u00f3s-infarto?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">\u00c9 uma ruptura do septo interventricular que ocorre ap\u00f3s um infarto do mioc\u00e1rdio devido \u00e0 necrose e destrui\u00e7\u00e3o do m\u00fasculo septal.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">2. Quando \u00e9 mais comum desenvolver uma comunica\u00e7\u00e3o interventricular ap\u00f3s um ataque card\u00edaco?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Normalmente, entre o terceiro e o quinto dia ap\u00f3s o infarto transmural, menos frequentemente no primeiro dia ou 1\u20132 semanas depois.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">3. Quais sintomas podem indicar um defeito do septo ventricular p\u00f3s-infarto?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Deteriora\u00e7\u00e3o abrupta ap\u00f3s infarto do mioc\u00e1rdio, novo sopro sist\u00f3lico intenso, sinais de dispneia e insufici\u00eancia card\u00edaca.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">4. Como confirmar o diagn\u00f3stico de comunica\u00e7\u00e3o interventricular?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">O principal m\u00e9todo \u00e9 a ecocardiografia com Doppler colorido: visualiza o fluxo sangu\u00edneo atrav\u00e9s do defeito e estima seu tamanho.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">5. A comunica\u00e7\u00e3o interventricular p\u00f3s-infarto pode ser tratada clinicamente?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">A terapia conservadora (inotr\u00f3picos, diur\u00e9ticos, vasodilatadores) \u00e9 utilizada temporariamente para estabiliza\u00e7\u00e3o antes da cirurgia.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">6. Quais s\u00e3o os riscos da cirurgia precoce para a comunica\u00e7\u00e3o interventricular p\u00f3s-infarto?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">As bordas do defeito s\u00e3o necr\u00f3ticas e fri\u00e1veis, retendo mal a sutura \u2014 alto risco de ruptura repetida ou falha das suturas, portanto, com hemodin\u00e2mica est\u00e1vel, tenta-se adiar a cirurgia por 2 a 4 semanas a partir do momento do infarto do mioc\u00e1rdio.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">7. Como \u00e9 realizado o fechamento cir\u00fargico de um defeito do septo ventricular p\u00f3s-infarto?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Normalmente atrav\u00e9s do ventr\u00edculo esquerdo (para defeitos anteriores) ou atrav\u00e9s do ventr\u00edculo direito (para defeitos posteriores), com a coloca\u00e7\u00e3o de um remendo sobre as bordas saud\u00e1veis do defeito.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-block sources-list-hidden\" id=\"referencias\">\n<div class=\"sources-list-content\">\n<div class=\"sources-list-title\">\n<p class=\"small-text-bold text-black sources-list-title-text\">Refer\u00eancias<\/p>\n<div class=\"sources-expand-button-wrapper-mobile\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-items\">\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">1.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Cat\u00e1logo VOKA (VOKA Catalog). [Recurso eletr\u00f4nico] <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">https:\/\/catalog.voka.io\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">2.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Cubeddu, R. J., Lorusso, R., Ronco, D., Matteucci, M., Axline, M. S., & Moreno, P. R. (2024, May 14). Ventricular septal rupture after myocardial infarction: JACC Focus Seminar 3\/5. Journal of the American College of Cardiology, 83(19), 1886\u20131901. DOI: 10.1016\/j.jacc.2024.01.041.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">3.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Artemiou, P., Gasparovic, I., Bezak, B., Hudec, V., Glonek, I., & Hulman, M. (2020, December). Preoperative extracorporeal membrane oxygenation for postinfarction ventricular septal defect: Case series of three patients with a literature review. Journal of Cardiac Surgery, 35(12), 3626\u20133630. DOI: 10.1111\/jocs.15086.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">4.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Nasso, G., Condello, I., Vignaroli, W., et al. (2025, January 2). Post-myocardial infarction ventricular septal defects: Incidence and treatment trends during and after the COVID-19 pandemic. Scientific Reports, 15(1), 445. DOI: 10.1038\/s41598-024-84983-z.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">5.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Al-Bulushi, A., Al Salmi, I., Ahmed, A. R., & Al Rahbi, F. (2023, November 30). Post-infarction ventricular septal defect: A quarter century experience. Revista M\u00e9dica da Universidade Sultan Qaboos, 23 (Edi\u00e7\u00e3o Especial), 22\u201330. DOI: 10.18295\/squmj.12.2023.076.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">6.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>S\u00e1nchez Vega, J. D., Alonso Salinas, G. L., Vi\u00e9itez Florez, J. M., et al. (2022, September 30). Optimal surgical timing after post-infarction ventricular septal rupture. Cardiology Journal, 29(5), 773\u2013781. DOI: 10.5603\/CJ.a2022.0035.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">7.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Wilson, W. M., & Horlick, E. M. (2016, May 17). Management of post-myocardial infarction ventricular septal rupture. EuroIntervention, 12(Suppl X), X18\u2013X23. DOI: 10.4244\/EIJV12SXA4.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">8.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Aparicio-Ortiz, A. D., Alonso-Jimenez, M. N., Espejel-Guzman, A., et al. (2024, janeiro). Complica\u00e7\u00f5es mec\u00e2nicas ap\u00f3s infarto do mioc\u00e1rdio: uma revis\u00e3o abrangente. World Journal of Cardiovascular Diseases, 14(1). DOI: 10.4236\/wjcd.2024.141005.<\/cite><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-expand-button-wrapper\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A comunica\u00e7\u00e3o interventricular p\u00f3s-infarto (PIVSD) \u00e9 a forma\u00e7\u00e3o de uma ruptura (orif\u00edcio) no septo ventricular do cora\u00e7\u00e3o ap\u00f3s um infarto agudo do mioc\u00e1rdio (IAM) na zona de necrose transmural. A deriva\u00e7\u00e3o da esquerda para a direita resultante causa uma sobrecarga hemodin\u00e2mica significativa do ventr\u00edculo direito e do pequeno c\u00edrculo circulat\u00f3rio. Em m\u00e9dia, um em cada [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"template":"","diseases_category":[293],"class_list":["post-2233","diseases_post","type-diseases_post","status-publish","hentry","diseases_category-cardiologia"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comunica\u00e7\u00e3o interventricular p\u00f3s-infarto: diagn\u00f3stico, tratamento, progn\u00f3stico<\/title>\n<meta name=\"description\" content=\"A comunica\u00e7\u00e3o interventricular p\u00f3s-infarto \u00e9 uma complica\u00e7\u00e3o perigosa do infarto do mioc\u00e1rdio. 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