1997
DOI: 10.1590/s0066-782x1997001000006
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Ressonância nuclear magnética no diagnóstico de pseudoaneurisma de ventrículo esquerdo. Antigo problema, nova opção

Abstract: Relato de CasoPseudoaneurisma de ventrículo esquerdo (VE) é o resultado de uma rotura do miocárdio, na qual o hematoma resultante está contido em uma área circunscrita pelo pericárdio. Assim, os pseudoaneurismas têm sua parede formada por pericárdio e tecidos extracardíacos, enquanto nos aneurismas verdadeiros a parede é formada por miocárdio necrosado e tecido fibroso. Os pseudoaneurismas formam uma cavidade conectada ao VE por um colo estreito e podem apresentar trombose em seu interior. As causas mais freqü… Show more

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(2 citation statements)
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“…Its formation comprises the gradual expansion of the intrapericardial hematoma through blood overflowing, from the ventricular cavity to the pericardial sac, after a myocardial rupture partially restrained through thrombi, fibrosis, and intrapericardial adhesions. The definite diagnosis is exclusively done through an anatomopathologic exam, which demonstrates a complete absence of myocardial fibers in a certain extension of the left ventricular walls, which are replaced for organized hematoma and thickened pericardium 1,2 . The real incidence of left ventricular pseudoaneurysm in unknown due to its extreme rarity and diagnostic difficulty, which makes it even more unusual after the fibrinolytic era.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Its formation comprises the gradual expansion of the intrapericardial hematoma through blood overflowing, from the ventricular cavity to the pericardial sac, after a myocardial rupture partially restrained through thrombi, fibrosis, and intrapericardial adhesions. The definite diagnosis is exclusively done through an anatomopathologic exam, which demonstrates a complete absence of myocardial fibers in a certain extension of the left ventricular walls, which are replaced for organized hematoma and thickened pericardium 1,2 . The real incidence of left ventricular pseudoaneurysm in unknown due to its extreme rarity and diagnostic difficulty, which makes it even more unusual after the fibrinolytic era.…”
Section: Discussionmentioning
confidence: 99%
“…The surgical treatment is the most suitable for left ventricular pseudoaneurysm due to the risk of rupture and sudden death, which occurs in 30 to 45% of the cases 1,3,6 . However, some authors propose the possibility of clinical treatment for pseudoaneurysms tardively diagnosed, after 3 months from the infarction, for considering that the spontaneous rupture is less usual at that stage 4,5 .…”
mentioning
confidence: 99%