Jornal Vascular Brasileiro
https://jvascbras.org/article/doi/10.1590/S1677-54492010000200008
Jornal Vascular Brasileiro
Review Article

Ruptura dos vasa vasorum e hematoma intramural da aorta: um paradigma em mudança

Rupture of vasa vasorum and intramural hematoma of the aorta: a changing paradigm

Adamastor Humberto Pereira

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Resumo

A ruptura dos vasa vasorum tem sido reconhecida como uma das causas do hematoma intramural da aorta há 90 anos. Esta breve revisão apresenta sistematicamente a fisiologia desses vasos e o seu papel na fisiopatologia das alterações parietais da aorta que ocorrem na hipertensão arterial, na arteriosclerose e na síndrome aórtica aguda. A hipótese defendida aqui é a de que a ruptura dos vasa vasorum ocorre como um fenômeno secundário e não como um dos fatores causais na fisiopatologia do hematoma intramural.

Palavras-chave

Hematoma intramural da aorta, vasa vasorum, dissecção da aorta

Abstract

Rupture of vasa varorum has been recognized as one cause of intramural hematoma of the aorta for 90 years. This brief revision presents systematically, the physiology of these vessels and its role in the physiopathology of the alterations in the aortic wall secondary to hypertension, arteriosclerosis and in Acute Aortic Syndrome. The hypothesis is that rupture of vasa vasorum is a secondary phenomenon and not one causal factor in the physiopathology of intramural hematoma.

Keywords

Aortic intramural hematoma, vasa vasorum, aortic dissection

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