{"id":3770,"date":"2026-01-29T17:16:36","date_gmt":"2026-01-29T14:16:36","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/diseases\/uncategorized\/ruptura-musculo-papilar-apos-infarto\/"},"modified":"2026-03-16T13:03:11","modified_gmt":"2026-03-16T10:03:11","slug":"ruptura-musculo-papilar-apos-infarto","status":"publish","type":"diseases_post","link":"https:\/\/wiki.dev.voka.io\/pt\/doencas\/cardiologia\/ruptura-musculo-papilar-apos-infarto\/","title":{"rendered":"Ruptura do m\u00fasculo papilar ap\u00f3s infarto: etiopatogenia, sintomas, diagn\u00f3stico e tratamento"},"content":{"rendered":"<p><?xml encoding=\"UTF-8\" ?><\/p>\n<p>A ruptura do m\u00fasculo papilar (papiliforme) ap\u00f3s infarto \u00e9 uma complica\u00e7\u00e3o mec\u00e2nica rara, mas extremamente amea\u00e7adora da vida, do infarto agudo do mioc\u00e1rdio, que na maioria das vezes leva \u00e0 regurgita\u00e7\u00e3o mitral (RM) aguda e grave, desenvolvimento r\u00e1pido de edema pulmonar e\/ou choque cardiog\u00eanico. <\/p>\n<p>Essa complica\u00e7\u00e3o frequentemente se desenvolve dentro de 2 a 7 dias ap\u00f3s o infarto do mioc\u00e1rdio e, apesar da incid\u00eancia de rupturas do m\u00fasculo papilar ser inferior a 0,5% de todos os infartos do mioc\u00e1rdio, a mortalidade sem interven\u00e7\u00e3o cir\u00fargica urgente pode exceder 50 a 80%.<\/p>\n<h2 class=\"wp-block-heading\" id=\"epidemiologia\">Epidemiologia<\/h2>\n<p>A ruptura do m\u00fasculo papilar ap\u00f3s infarto resulta de um infarto do mioc\u00e1rdio transmural, levando \u00e0 necrose isqu\u00eamica dos m\u00fasculos papilares e perda de sua resist\u00eancia mec\u00e2nica. Vamos revisar os principais est\u00e1gios da patog\u00eanese: <\/p>\n<h3 class=\"wp-block-heading\" id=\"oclusao-da-arteria-coronaria\">Oclus\u00e3o da art\u00e9ria coron\u00e1ria <\/h3>\n<p>A ruptura ocorre mais frequentemente devido \u00e0 interrup\u00e7\u00e3o do fluxo sangu\u00edneo no territ\u00f3rio da art\u00e9ria coron\u00e1ria direita ou do ramo circunflexo. Isso est\u00e1 geralmente associado a um suprimento coron\u00e1rio \u00fanico ao m\u00fasculo papilar posteromedial, enquanto o m\u00fasculo anterolateral geralmente tem um suprimento sangu\u00edneo duplo, o que o torna mais resistente \u00e0 isquemia e menos propenso \u00e0 ruptura.<\/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\/postinfarction-papillary-muscle-rupture\/1-thrombotic-coronary-artery-occlusion-on-critical-atherosclerotic-stenosis.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 associada ao estreitamento cr\u00edtico pela placa ateroscler\u00f3tica: <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\">modelo 3D<\/a><\/figcaption><\/figure>\n<h3 class=\"wp-block-heading\" id=\"necrose-isquemica-e-falha-mecanica-do-musculo-papilar\">Necrose isqu\u00eamica e falha mec\u00e2nica do m\u00fasculo papilar<\/h3>\n<p>Tipicamente, dentro de 2 a 7 dias ap\u00f3s o infarto, ocorre necrose de coagula\u00e7\u00e3o do mioc\u00e1rdio, seguida pela destrui\u00e7\u00e3o da matriz intercelular, levando a uma redu\u00e7\u00e3o acentuada na resist\u00eancia mec\u00e2nica do tecido muscular. Ao mesmo tempo, o m\u00fasculo enfraquecido sob estresse hemodin\u00e2mico (cordas tend\u00edneas) \u00e9 submetido a ruptura parcial ou completa.<\/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\/postinfarction-papillary-muscle-rupture\/2-myocardial-infarction-zone-and-papillary-muscle-rupture.webp\" alt=\"1 - zona de infarto do mioc\u00e1rdio, 2 - avuls\u00e3o do m\u00fasculo papilar\"><figcaption class=\"wp-element-caption\">1 \u2013 zona de infarto do mioc\u00e1rdio, 2 \u2013 avuls\u00e3o do m\u00fasculo papilar: <a href=\"https:\/\/catalog.voka.io\/en\/models\/d1df170c-51ef-4d23-93b5-0380d03866e5\/53b284e5-771a-4629-94f6-879bc6a3d7ff\/42d4800d-40d4-4848-9778-2779d83c01fc\/957c25d9-67c5-475f-b8a2-4e37456b9cbf\">modelo 3D<\/a><\/figcaption><\/figure>\n<h3 class=\"wp-block-heading\" id=\"regurgitacao-mitral-aguda\">Regurgita\u00e7\u00e3o mitral aguda<\/h3>\n<p>Os folhetos da v\u00e1lvula mitral deixam de coaptar porque um grande segmento do folheto come\u00e7a a se deslocar para o \u00e1trio direito na aus\u00eancia de tens\u00e3o das cordas. Como resultado, uma por\u00e7\u00e3o significativa de sangue retorna para o \u00e1trio esquerdo durante a contra\u00e7\u00e3o do ventr\u00edculo esquerdo.<\/p>\n<h3 class=\"wp-block-heading\" id=\"edema-pulmonar-e-choque-cardiogenico\">Edema pulmonar e choque cardiog\u00eanico<\/h3>\n<p>Um aumento acentuado na press\u00e3o atrial esquerda leva ao edema pulmonar agudo. Enquanto isso, a queda no d\u00e9bito card\u00edaco efetivo leva ao choque cardiog\u00eanico e \u00e0 hipoperfus\u00e3o de \u00f3rg\u00e3os. A resposta neuro-humoral \u00e0 diminui\u00e7\u00e3o do d\u00e9bito card\u00edaco envolve o aumento da resist\u00eancia vascular, agravando ainda mais a situa\u00e7\u00e3o.<\/p>\n<h2 class=\"wp-block-heading\" id=\"classificacao-das-rupturas-do-musculo-papilar\">Classifica\u00e7\u00e3o das rupturas do m\u00fasculo papilar<\/h2>\n<h3 class=\"wp-block-heading\" id=\"por-extensao-da-ruptura\">Por extens\u00e3o da ruptura <\/h3>\n<ul class=\"wp-block-list\">\n<li>Parcial (a hemodin\u00e2mica pode ser mais est\u00e1vel);<\/li>\n<li>Completa.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"por-musculo-envolvido\">Por m\u00fasculo envolvido<\/h3>\n<ul class=\"wp-block-list\">\n<li>Posteromedial;<\/li>\n<li>Anterolateral.<\/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\/postinfarction-papillary-muscle-rupture\/3-anterolateral-and-posteromedial-papillary-muscles.webp\" alt=\"1 - m\u00fasculo papilar anterolateral, 2 - m\u00fasculo papilar posteromedial\"><figcaption class=\"wp-element-caption\">1 \u2013 m\u00fasculo papilar anterolateral, 2 \u2013 m\u00fasculo papilar posteromedial: <a href=\"https:\/\/catalog.voka.io\/en\/models\/d1df170c-51ef-4d23-93b5-0380d03866e5\/53b284e5-771a-4629-94f6-879bc6a3d7ff\/42d4800d-40d4-4848-9778-2779d83c01fc\/957c25d9-67c5-475f-b8a2-4e37456b9cbf\">modelo 3D<\/a><\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\" id=\"manifestacoes-clinicas\">Manifesta\u00e7\u00f5es cl\u00ednicas<\/h2>\n<p>Uma deteriora\u00e7\u00e3o cl\u00ednica abrupta na condi\u00e7\u00e3o do paciente \u00e9 t\u00edpica da ruptura p\u00f3s-infarto do m\u00fasculo papilar, geralmente associada \u00e0 estabiliza\u00e7\u00e3o aparente ap\u00f3s infarto agudo do mioc\u00e1rdio. O in\u00edcio \u00e9 geralmente relatado 2 a 7 dias ap\u00f3s o infarto.<\/p>\n<p>Os principais sintomas cl\u00ednicos incluem: <\/p>\n<ol class=\"wp-block-list\">\n<li>Dispneia <strong>aguda<\/strong>, rapidamente progredindo para ortopneia e fal\u00eancia respirat\u00f3ria.<\/li>\n<li>Edema <strong>pulmonar agudo<\/strong>, muitas vezes com expectora\u00e7\u00e3o espumosa rosada.<\/li>\n<li><strong>Hipotens\u00e3o e taquicardia<\/strong> devido a uma diminui\u00e7\u00e3o acentuada no d\u00e9bito card\u00edaco efetivo (choque cardiog\u00eanico).<\/li>\n<li><strong>Sinais de hipoperfus\u00e3o sist\u00eamica<\/strong> (olig\u00faria, membros frios, altera\u00e7\u00e3o da consci\u00eancia, acidose metab\u00f3lica).<\/li>\n<\/ol>\n<p>Um murm\u00fario sist\u00f3lico pr\u00f3ximo ao \u00e1pice do cora\u00e7\u00e3o pode ser fraco ou ausente, apesar da regurgita\u00e7\u00e3o mitral grave devido \u00e0 r\u00e1pida equaliza\u00e7\u00e3o de press\u00e3o entre o ventr\u00edculo e \u00e1trio esquerdos.<\/p>\n<p>Com a ruptura parcial do m\u00fasculo papilar, os sintomas podem se desenvolver menos rapidamente, o que \u00e0s vezes resulta em diagn\u00f3stico tardio.<\/p>\n<h2 class=\"wp-block-heading\" id=\"diagnostico-das-rupturas-do-musculo-papilar\">Diagn\u00f3stico das rupturas do m\u00fasculo papilar<\/h2>\n<p>Vamos discutir mais detalhadamente os m\u00e9todos diagn\u00f3sticos mais comuns para ruptura do m\u00fasculo papilar p\u00f3s-infarto.<\/p>\n<h3 class=\"wp-block-heading\" id=\"marcadores-laboratoriais\">Marcadores laboratoriais<\/h3>\n<p>O diagn\u00f3stico laboratorial n\u00e3o confirma especificamente a ruptura. Seu papel \u00e9 avaliar a gravidade da doen\u00e7a e suas complica\u00e7\u00f5es, assim como fazer previs\u00f5es e escolher estrat\u00e9gias. Os principais marcadores de diagn\u00f3stico laboratorial incluem: <\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Troponina (hs-cTn)<\/strong>. Seu aumento confirma les\u00e3o aguda do mioc\u00e1rdio e permite avaliar a isquemia de forma din\u00e2mica.<\/li>\n<li><strong>Lactato (lac)<\/strong>. Seu aumento (geralmente > 2 mmol\/L) confirma hipoperfus\u00e3o\/choque tecidual.<\/li>\n<li><strong>BNP\/NT-proBNP<\/strong>. A eleva\u00e7\u00e3o reflete uma sobrecarga aguda de press\u00e3o\/volume.<\/li>\n<li><strong>Creatinina, ALT, AST<\/strong>. Marcadores de disfun\u00e7\u00e3o org\u00e2nica.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"metodos-instrumentais\">M\u00e9todos instrumentais<\/h3>\n<h4 class=\"wp-block-heading\">Ecocardiograma<\/h4>\n<p>\u00c9 um m\u00e9todo diagn\u00f3stico cr\u00edtico e decisivo, que inclui:<\/p>\n<ol class=\"wp-block-list\">\n<li><strong>Ecocardiograma transtor\u00e1cico<\/strong>. M\u00e9todo de primeira linha, realizado imediatamente ap\u00f3s suspeita cl\u00ednica.<\/li>\n<\/ol>\n<p><strong>Principais par\u00e2metros<\/strong> para avalia\u00e7\u00e3o:<\/p>\n<ul class=\"wp-block-list\">\n<li>Mobilidade e integridade das cordas papilares;<\/li>\n<li>Presen\u00e7a de um fragmento flutuante no ventr\u00edculo esquerdo ou no \u00e1trio esquerdo;<\/li>\n<li>Grau de regurgita\u00e7\u00e3o mitral (Doppler colorido); sinais positivos de hipertens\u00e3o pulmonar;<\/li>\n<li>Dimens\u00f5es e fun\u00e7\u00e3o do ventr\u00edculo esquerdo e do \u00e1trio esquerdo;<\/li>\n<li>A largura da vena contracta e a densidade do sinal de Doppler cont\u00ednuo s\u00e3o indicadores-chave para identificar regurgita\u00e7\u00e3o mitral significativa;<\/li>\n<li>A exibi\u00e7\u00e3o espectral da velocidade do fluxo de regurgita\u00e7\u00e3o mitral durante o Doppler frequentemente mostra uma forma triangular caracter\u00edstica (em vez da forma arredondada t\u00edpica para regurgita\u00e7\u00e3o mitral cr\u00f4nica).<\/li>\n<\/ul>\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Ecocardiograma transesof\u00e1gico<\/strong>. Oferece vantagens significativas se a condi\u00e7\u00e3o do paciente permitir sua realiza\u00e7\u00e3o:<\/li>\n<\/ol>\n<ul class=\"wp-block-list\">\n<li>Janela ac\u00fastica de alta qualidade;<\/li>\n<li>Permite determinar com maior precis\u00e3o os mecanismos de ruptura e regurgita\u00e7\u00e3o mitral, incluindo planejamento pr\u00e9-operat\u00f3rio.<\/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\/postinfarction-papillary-muscle-rupture\/4-papillary-muscle-rupture-on-echocardiography.webp\" alt=\"Avuls\u00e3o do m\u00fasculo papilar na ecocardiografia\"><figcaption class=\"wp-element-caption\">Avuls\u00e3o do m\u00fasculo papilar na ecocardiografia<\/figcaption><\/figure>\n<h4 class=\"wp-block-heading\">Angiografia coron\u00e1ria<\/h4>\n<p>Este m\u00e9todo \u00e9 obrigat\u00f3rio para avaliar o leito coron\u00e1rio e planejar a revasculariza\u00e7\u00e3o do mioc\u00e1rdio.<\/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\/postinfarction-papillary-muscle-rupture\/5-coronary-angiography-examples-rca-subocclusion-lad-critical-stenosis-lcx-occlusion.webp\" alt=\"Exemplos de angiografias: 1 \u2013 suboclus\u00e3o da art\u00e9ria coron\u00e1ria direita; 2 \u2013 estenose cr\u00edtica do ramo interventricular anterior; 3 \u2013 oclus\u00e3o do ramo circunflexo\"><figcaption class=\"wp-element-caption\">Exemplos de angiografias: 1 \u2013 suboclus\u00e3o da art\u00e9ria coron\u00e1ria direita; 2 \u2013 estenose cr\u00edtica do ramo interventricular anterior; 3 \u2013 oclus\u00e3o do ramo circunflexo<\/figcaption><\/figure>\n<h4 class=\"wp-block-heading\">Cateterismo do cora\u00e7\u00e3o direito (art\u00e9ria pulmonar)<\/h4>\n<p>O m\u00e9todo permite o registro de grandes ondas V durante a medi\u00e7\u00e3o da press\u00e3o de oclus\u00e3o da art\u00e9ria pulmonar, o que \u00e9 um sinal t\u00edpico de regurgita\u00e7\u00e3o mitral aguda e grave.<\/p>\n<h2 class=\"wp-block-heading\" id=\"tratamento\">Tratamento<\/h2>\n<h3 class=\"wp-block-heading\" id=\"tratamento-medicamentoso\">Tratamento medicamentoso<\/h3>\n<p>Neste caso, a terapia medicamentosa serve como medida tempor\u00e1ria para estabilizar a respira\u00e7\u00e3o e a hemodin\u00e2mica. \u00c9 considerado como parte da prepara\u00e7\u00e3o para tratamento cir\u00fargico de urg\u00eancia ou, para alguns pacientes, para interven\u00e7\u00e3o percut\u00e2nea\/suporte circulat\u00f3rio mec\u00e2nico. As op\u00e7\u00f5es de tratamento medicamentoso incluem:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Suporte respirat\u00f3rio<\/strong>. Ventila\u00e7\u00e3o n\u00e3o invasiva (VNI) com press\u00e3o positiva cont\u00ednua das vias respirat\u00f3rias (CPAP). Nos casos de insufici\u00eancia respirat\u00f3ria grave, use ventila\u00e7\u00e3o mec\u00e2nica com press\u00e3o positiva no final da expira\u00e7\u00e3o (PEEP).<\/li>\n<li><strong>Diur\u00e9ticos<\/strong> (mais frequentemente, os diur\u00e9ticos de al\u00e7a: furosemida\/torasemida). Usados para descarregar a circula\u00e7\u00e3o pulmonar.<\/li>\n<li><strong>Vasodilatadores<\/strong> (nitroprussiato de s\u00f3dio ou nitratos). Contraindicados na hipotens\u00e3o.<\/li>\n<li><strong>Inotr\u00f3picos<\/strong> (dobutamina, milrinona). Recomendados para baixo d\u00e9bito e sinais de hipoperfus\u00e3o.<\/li>\n<li><strong>Vasopressores<\/strong> (norepinefrina). Usados em hipotens\u00e3o grave. Frequentemente usados em conjunto com inotr\u00f3picos.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"terapia-cirurgica\">Terapia cir\u00fargica <\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>Cirurgia de emerg\u00eancia<\/strong>. Priorit\u00e1rio para pacientes com regurgita\u00e7\u00e3o mitral aguda devido \u00e0 ruptura do m\u00fasculo papilar. No caso de ruptura completa, o <strong>implante de v\u00e1lvula mitral<\/strong> \u00e9 mais frequentemente realizado.<\/li>\n<li><strong>Corre\u00e7\u00e3o da v\u00e1lvula.<\/strong> Mais frequentemente realizado em casos de ruptura parcial, estabilidade relativa do paciente e alta especializa\u00e7\u00e3o da equipe.<\/li>\n<li><strong>Enxerto de revasculariza\u00e7\u00e3o do mioc\u00e1rdio. <\/strong>Frequentemente realizado em casos de les\u00f5es significativas das art\u00e9rias coron\u00e1rias. Este tipo de cirurgia \u00e9 realizado em circula\u00e7\u00e3o extracorp\u00f3rea por meio de esternotomia mediana.<\/li>\n<li><strong>Abordagens minimamente invasivas<\/strong> s\u00e3o permitidas em situa\u00e7\u00f5es de estabilidade relativa, individualmente, quando n\u00e3o h\u00e1 necessidade de enxerto de revasculariza\u00e7\u00e3o do mioc\u00e1rdio e com alta especializa\u00e7\u00e3o da equipe.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"suporte-circulatorio-mecanico\">Suporte circulat\u00f3rio mec\u00e2nico<\/h3>\n<p>Para pacientes com regurgita\u00e7\u00e3o mitral aguda e choque cardiog\u00eanico, a estabiliza\u00e7\u00e3o tempor\u00e1ria pode ser alcan\u00e7ada usando dispositivos de suporte circulat\u00f3rio de curto prazo. Entre elas est\u00e3o:<\/p>\n<ul class=\"wp-block-list\">\n<li>Bomba de bal\u00e3o intra-a\u00f3rtico (BIA), ou contrapulsa\u00e7\u00e3o;<\/li>\n<li>Dispositivo de suporte ventricular esquerdo percut\u00e2neo transa\u00f3rtico (por exemplo, Impella);<\/li>\n<li>Oxigena\u00e7\u00e3o com membrana extracorp\u00f3rea veno-arterial (VA-ECMO).<\/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<h3 class=\"wp-block-heading\" id=\"tratamento-endovascular\">Tratamento endovascular <\/h3>\n<p>O reparo mitral borda a borda transcateter (TEER, por exemplo, MitraClip) pode ser considerada para pacientes com risco cir\u00fargico extremamente alto, frequentemente como ponte para cirurgia aberta em casos particulares e com anatomia adequada. Atualmente, ainda n\u00e3o h\u00e1 uma base de evid\u00eancias extensa para este m\u00e9todo.<\/p>\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 ruptura do m\u00fasculo papilar ap\u00f3s infarto?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">\u00c9 uma rara complica\u00e7\u00e3o mec\u00e2nica do infarto do mioc\u00e1rdio, levando a regurgita\u00e7\u00e3o mitral aguda grave e instabilidade hemodin\u00e2mica potencialmente fatal.<\/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. Com que frequ\u00eancia ocorre a ruptura da corda papilar?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Na era da terapia de reperfus\u00e3o moderna, ocorre em menos de 0,5% dos pacientes com 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\">3. Quando a ruptura do m\u00fasculo papilar se desenvolve mais frequentemente?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Geralmente entre o 2\u00ba e o 7\u00ba dia ap\u00f3s o 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\">4. Qual m\u00fasculo papilar \u00e9 mais comumente afetado e por qu\u00ea?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">O m\u00fasculo papilar posteromedial, geralmente devido a um \u00fanico suprimento sangu\u00edneo coron\u00e1rio.<\/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. Quais s\u00e3o os principais sintomas que indicam ruptura do m\u00fasculo papilar?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Dispneia s\u00fabita, edema pulmonar, hipotens\u00e3o, choque cardiog\u00eanico e deteriora\u00e7\u00e3o cl\u00ednica r\u00e1pida.<\/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. Qual \u00e9 o m\u00e9todo-chave de diagn\u00f3stico para identificar a ruptura do m\u00fasculo papilar?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Ecocardiografia: ecocardiografia transtor\u00e1cica (ETT) com subsequente ecocardiografia transesof\u00e1gica (ETE), se necess\u00e1rio.<\/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. A ruptura do m\u00fasculo papilar pode ser tratada apenas com terapia medicamentosa?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">N\u00e3o. A terapia medicamentosa \u00e9 usada temporariamente apenas para estabiliza\u00e7\u00e3o antes da interven\u00e7\u00e3o cir\u00fargica.<\/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\">8. Qual \u00e9 o m\u00e9todo de tratamento padr\u00e3o para a ruptura do m\u00fasculo papilar?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Interven\u00e7\u00e3o cir\u00fargica de urg\u00eancia, mais frequentemente substitui\u00e7\u00e3o da v\u00e1lvula mitral.<\/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\">9. Existem m\u00e9todos alternativos de tratamento para a ruptura do m\u00fasculo papilar al\u00e9m da cirurgia?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Em certos casos, para pacientes com alto risco cir\u00fargico, m\u00e9todos transcateter (TEER) podem ser usados como ponte ou alternativa \u00e0 cirurgia.<\/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>VOKA 3D Anatomy & Pathology \u2013 Complete Anatomy and Pathology 3D Atlas (Atlas 3D completo de anatomia e patologia) [Internet]. VOKA 3D Anatomy & Pathology.<\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Dispon\u00edvel em: VOKA Catalog [Cat\u00e1logo VOKA]. 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>Fujita, T., Yamamoto, H., Kobayashi, J., et al. (2020, dezembro). Mitral valve surgery for ischemic papillary muscle rupture: Outcomes from the Japan Cardiovascular Surgery Database [Cirurgia da v\u00e1lvula mitral para ruptura isqu\u00eamica do m\u00fasculo papilar: Resultados do Banco de Dados de Cirurgia Cardiovascular do Jap\u00e3o]. General Thoracic and Cardiovascular Surgery, 68(12), 1439\u20131446. DOI: 10.1007\/s11748-020-01418-y.<\/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>Yousef, S., Sultan, I. (2022, janeiro). Surgical repair for post-infarction papillary muscle rupture: Where do we stand? [Reparo cir\u00fargico para ruptura do m\u00fasculo papilar p\u00f3s-infarto: Onde estamos?] Revista Europeia de Cirurgia Cardio-Tor\u00e1cica, 61(2), 477\u2013478. DOI: 10.1093\/ejcts\/ezab534.<\/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>Kaczorowski, D. J., Takeda, K., Atluri, P., et al. (2025, novembro). 2025 American Association for Thoracic Surgery (AATS) Expert Consensus Document: Surgical management of acute myocardial infarction and associated complications. [Documento de Consenso de 2025 dos Especialistas da Associa\u00e7\u00e3o Americana de Cirurgia Tor\u00e1cica (AATS): Manejo cir\u00fargico do infarto agudo do mioc\u00e1rdio e complica\u00e7\u00f5es associadas]. Journal of Thoracic and Cardiovascular Surgery, 170(5), 1327\u20131344. DOI: 10.1016\/j.jtcvs.2025.04.013.<\/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>Massimi, G., Ronco, D., De Bonis, M., et al. (2022, January). Surgical treatment for post-infarction papillary muscle rupture: A multicentre study [Tratamento cir\u00fargico para ruptura do m\u00fasculo papilar ap\u00f3s infarto: Um estudo multic\u00eantrico]. European Journal of Cardio-Thoracic Surgery, 61(2), 469\u2013476. DOI: 10.1093\/ejcts\/ezab469.<\/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>Chang, C. W., Romero, S., & Price, M. J. (2022, agosto). Transcatheter edge-to-edge repair for acute mitral regurgitation due to postinfarction papillary muscle rupture [Reparo transcateter de borda a borda para regurgita\u00e7\u00e3o mitral aguda devido a ruptura de m\u00fasculo papilar ap\u00f3s infarto]. Journal of the Society for Cardiovascular Angiography & Interventions, 1(5), 100431. DOI: 10.1016\/j.jscai.2022.100431.<\/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>Russo, A., Suri, R. M., Grigioni, F., et al. (2008, outubro). Clinical outcome after surgical correction of mitral regurgitation due to papillary muscle rupture [Resultado cl\u00ednico ap\u00f3s corre\u00e7\u00e3o cir\u00fargica da regurgita\u00e7\u00e3o mitral devido a ruptura de m\u00fasculo papilar]. Circulation, 118(15), 1528\u20131534. DOI: 10.1161\/CIRCULATIONAHA.107.747949.<\/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>Moursi, M. H., Bhatnagar, S. K., Vilacosta, I., et al. (1996, September). Transesophageal echocardiographic assessment of papillary muscle rupture [Avalia\u00e7\u00e3o ecocardiogr\u00e1fica transesof\u00e1gica da ruptura do m\u00fasculo papilar]. Circulation, 94(5), 1003\u20131009. DOI: 10.1161\/01.cir.94.5.1003.<\/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 ruptura do m\u00fasculo papilar (papiliforme) ap\u00f3s infarto \u00e9 uma complica\u00e7\u00e3o mec\u00e2nica rara, mas extremamente amea\u00e7adora da vida, do infarto agudo do mioc\u00e1rdio, que na maioria das vezes leva \u00e0 regurgita\u00e7\u00e3o mitral (RM) aguda e grave, desenvolvimento r\u00e1pido de edema pulmonar e\/ou choque cardiog\u00eanico. Essa complica\u00e7\u00e3o frequentemente se desenvolve dentro de 2 a 7 dias [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"template":"","diseases_category":[293],"class_list":["post-3770","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>Ruptura do m\u00fasculo papilar (papiliforme) ap\u00f3s infarto: sintomas, diagn\u00f3stico e tratamento.<\/title>\n<meta name=\"description\" content=\"A ruptura do m\u00fasculo papilar ap\u00f3s infarto \u00e9 uma complica\u00e7\u00e3o mec\u00e2nica do infarto agudo do mioc\u00e1rdio. 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