Jornal Vascular Brasileiro
https://www.jvascbras.org/article/doi/10.1590/S1677-54492011000100006
Jornal Vascular Brasileiro
Original Article

Tratamento endovascular do aneurisma da aorta abdominal infrarrenal em pacientes com anatomia favorável para o procedimento: experiência inicial em um serviço universitário

Endovascular treatment of infrarenal abdominal aortic aneurysm in patients with favorable anatomy for the repair: initial experience in a university hospital

José Manoel da Silva Silvestre; Fernando Motta; Wander Eduardo Sardinha; Domingos de Morais Filho; Fernando Thomazinho; Guilherme da Silva Silvestre; Igor Schincariol Perozin

http://dx.doi.org/10.1590/S1677-54492011000100006 J Vasc Bras, vol.10, n1, p.31-39, 2011
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Resumo

CONTEXTO: Desde sua introdução, em 1991, o reparo endovascular do aneurisma da aorta abdominal infrarrenal tem se tornado uma alternativa atraente para o tratamento dessa doença. Avaliar nossos resultados iniciais quanto à segurança e eficácia dessa técnica nos levou à realização deste estudo. OBJETIVOS: Analisar a mortalidade perioperatória, a sobrevida tardia, as reoperações, as taxas de perviedade e o comportamento do saco aneurismático em pacientes com anatomia favorável para a realização do procedimento. MÉTODOS: Trata-se de um estudo longitudinal, observacional e retrospectivo realizado entre outubro de 2004 e janeiro de 2009 com 41 pacientes que foram submetidos à correção endovascular do aneurisma de aorta abdominal infrarrenal por apresentarem anatomia favorável para o procedimento. Foram analisados os achados dos exames diagnósticos, o tratamento e o seguimento em todos os pacientes. RESULTADOS: Foram implantadas, com sucesso, 31 (75,6%) próteses bifurcadas e 10 (24,5%) monoilíacas, de 5 diferentes marcas. O diâmetro médio dos aneurismas fusiformes era de 62 mm. A mortalidade perioperatória foi de 4,8% e a sobrevida tardia, 90,2%. Durante o acompanhamento médio de 30 meses, 2 (4,8%) pacientes necessitaram de reintervenção, um por migração da endoprótese e outro por vazamento tipo II. Dois (4,8%) pacientes apresentaram oclusão de ramo da prótese. Oito (19,5%) vazamentos foram diagnosticados e não houve nenhuma rotura dos aneurismas. CONCLUSÃO: Apesar do pequeno número de pacientes, os resultados observados parecem justificar a realização do procedimento endovascular nos pacientes com anatomia favorável.

Palavras-chave

Aneurisma da aorta abdominal, prótese vascular, arteriosclerose

Abstract

BACKGROUND: Since its introduction in 1991, endovascular repair of infrarenal aortic aneurysms has become an attractive option to treat this disease. The evaluation of our initial results about safety and efficacy of this technique has led us to carry out this study. OBJECTIVES: To analyze perioperative mortality, late survival, reoperations, patency rates and the aneurysmal sac behavior in patients with favorable anatomy for this procedure. METHODS: A longitudinal, observational and retrospective study was conducted from October 2004 to January 2009, involving 41 patients with favorable anatomy for endovascular repair of infrarenal aortic aneurysm. The findings of diagnostic exams, the treatment and follow-up results were analyzed. RESULTS: Thirty-one (75.6%) bifurcated and 10 (24.5%) mono-iliac prosthesis of five different brands were successfully implanted. The average diameter of the fusiform aneurysms was 62 mm. Perioperative mortality rate was 4.8% and late survival was 90.2%. During the mean follow-up period of 30 months, two (4.8%) patients needed re-intervention, one for migration of the endoprosthesis and the other for type II endoleak. Two (4.8%) patients presented occlusion of an endograft branch. Eight (19.5%) endoleaks were diagnosed and there was no aneurysm rupture. CONCLUSION: Despite the small number of patients, the results seem to justify the performance of endovascular therapy in patients with favorable anatomy.

Keywords

Aortic aneurysm, abdominal, blood vessel prosthesis, arteriosclerosis

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