Aortic intramural hematoma: An unpredictable evolution
Revista Portuguesa de Cardiologia (English Edition), ISSN: 2174-2049, Vol: 33, Issue: 7, Page: 467.e1-467.e7
2014
- 9Captures
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Case Description
Aortic intramural hematoma (IMH) is an acute aortic syndrome characterized by bleeding into the media of the aortic wall without intimal disruption or the classic flap formation. Its natural history is variable and still poorly understood, so strategies for therapeutic management are not fully established. In some cases there is partial or complete regression of the hematoma under medical treatment, but most progress to dissection, aneurysmal dilatation or aortic rupture. The authors present the case of a 44-year-old hypertensive male patient admitted with a diagnosis of IMH of the descending aorta. Despite initial symptom resolution and optimal medical therapy, the IMH evolved to a pseudoaneurysm, which was successfully treated by an endovascular approach. O hematoma intramural da aorta (IMH) é uma síndrome aórtica aguda caracterizada pela ocorrência de hemorragia a nível da camada média da parede da aorta, sem evidência de ruptura ou flap da íntima. A história natural desta entidade clínica é muito variável e ainda pouco conhecida, pelo que a sua abordagem terapêutica não está completamente estabelecida. Nalguns casos pode ocorrer regressão parcial ou completa do hematoma sob tratamento médico, mas numa proporção significativa existe evolução para dissecção, dilatação aneurismática ou ruptura. Os autores apresentam o caso de um homem de 44 anos, hipertenso, admitido com o diagnóstico de IMH da aorta descendente. Apesar de a resolução dos sintomas e do adequado controlo da tensão arterial com a terapêutica médica, o IMH evoluiu a curto prazo para a formação de um pseudoaneurisma, que foi tratado eficazmente por via endovascular.
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