Jornal Vascular Brasileiro
https://jvascbras.org/article/doi/10.1590/1677-5449.202400212
Jornal Vascular Brasileiro
Relato de Caso

Popliteal artery pseudoaneurysm of spontaneous occurrence: a case report

Pseudoaneurisma de artéria poplítea espontâneo: um relato de caso

Wallace Klein Schwengber; Claudia Carolina Schnorr; Guilherme Camargo Winckler; Ricardo Bocchese Paganella; Marco Aurélio Grudtner

http://dx.doi.org/10.1590/1677-5449.202400212 J Vasc Bras, vol.23, e20240021, 2024
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Abstract

Idiopathic popliteal artery pseudoaneurysms are exceedingly rare, posing significant diagnostic challenges due to their elusive etiology. This report presents the case of a 78-year-old female with no history of trauma or orthopedic procedures who was diagnosed with a large pulsatile mass in the right popliteal fossa. Arteriography confirmed a popliteal artery pseudoaneurysm. Despite extensive clinical evaluation, no causative factors were identified, suggesting an idiopathic diagnosis. The patient underwent open surgical repair using a posterior approach, during which the popliteal artery defect was closed using a bovine pericardium patch. Postoperative follow-up revealed proximal patch stenosis, necessitating angioplasty. This case underscores the need for comprehensive diagnostic evaluation of atypical pseudoaneurysm presentations and highlights the complexities involved in managing idiopathic cases, emphasizing the importance of postoperative follow-up to address potential complications.

Keywords

pseudoaneurysm; popliteal artery; idiopathic

Resumo

Pseudoaneurismas idiopáticos da artéria poplítea são extremamente raros, apresentando desafios diagnósticos significativos devido à sua etiologia desconhecida. Este relato apresenta uma paciente de 78 anos, sem histórico de trauma ou procedimentos ortopédicos, diagnosticada com uma grande massa pulsátil na fossa poplítea direita. A arteriografia confirmou um pseudoaneurisma da artéria poplítea. Apesar de uma avaliação clínica extensa, nenhum fator causal foi identificado, levando ao diagnóstico idiopático. A paciente foi submetida a reparo cirúrgico aberto usando uma abordagem posterior, e o defeito da artéria poplítea foi fechado com um remendo de pericárdio bovino. O acompanhamento pós-operatório revelou estenose proximal do remendo, necessitando de angioplastia. Este caso evidencia a necessidade de avaliações diagnósticas abrangentes em apresentações atípicas de pseudoaneurisma e destaca as complexidades do manejo de casos idiopáticos, enfatizando a importância do acompanhamento pós-operatório para abordar complicações potenciais.

Palavras-chave

pseudoaneurisma; artéria poplítea; idiopático

Referências

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Submetido em:
28/02/2024

Aceito em:
23/04/2024

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