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REVISTA PORTUGUESA DE CIRURGIA CARDIO-TORáCICA E VASCULAR<br />

<strong>Resumo</strong><br />

CIRURGIA VASCULAR<br />

reVASCULARIZAÇÃO RENAL<br />

CONCOMITANTE COM<br />

CIRURGIA DO ANEURISMA<br />

DA AORTA ABDOMINAL<br />

Telmo P. Bonamigo, Márcio Luís Lucas<br />

Fundação Faculda<strong>de</strong> Fe<strong>de</strong>ral <strong>de</strong> Ciências Médicas <strong>de</strong> Porto Alegre<br />

e Serviço <strong>de</strong> <strong>Cirurgia</strong> Vascular da Santa Casa <strong>de</strong> Porto Alegre, Brasil<br />

Introdução: A presença <strong>de</strong> estenose da artéria renal é frequente em pacientes com doença aórtica arterosclerótica.<br />

Objetivo: Avaliar os resultados da cirurgia <strong>de</strong> revascularização renal concomitante à cirurgia do aneurisma da aorta abdominal<br />

(AAA).<br />

Pacientes e métodos: De Abril <strong>de</strong> 1986 a Agosto <strong>de</strong> 2006, 783 pacientes foram operados eletivamente pelo primeiro autor com<br />

o diagnóstico <strong>de</strong> AAA infrarenal. Destes, 24 pacientes (3%) foram submetidos a revascularização renal concomitante à correção<br />

do AAA. Foram analisados dados <strong>de</strong>mográficos, resultados cirúrgicos e seguimento a longo prazo <strong>de</strong>stes pacientes.<br />

Resultados: Dezasseis pacientes eram homens (66,7%), com ida<strong>de</strong> média <strong>de</strong> 69,4 + 6,4 anos (variando <strong>de</strong> 54 a 78 anos), sendo<br />

a maioria hipertensos (62,5%) e tabagistas (54,2%). Nove pacientes (37,5%) apresentavam disfunção renal prévia (níveis <strong>de</strong><br />

creatinina > 2mg/dL). Em todos os casos, a indicação cirúrgica primária foi a doença aneurismática. As cirurgias feitas nas artérias<br />

renais foram unilaterais em 18 pacientes (75%) e bilaterais em 6 (25%). Ocorreram dois óbitos (8,3%) e morbida<strong>de</strong> <strong>de</strong> 25% (6/24).<br />

A sobrevida média foi <strong>de</strong> 53 ± 9 meses, sendo a sobrevida estimada em 5 anos <strong>de</strong> 41,7%.<br />

Conclusão: Em nosso estudo, a cirurgia <strong>de</strong> revascularização da artéria renal concomitante à cirurgia do AAA <strong>de</strong>monstrou uma<br />

mortalida<strong>de</strong> aceitável (8,3%), <strong>de</strong>vido ao risco cirúrgico aumentado <strong>de</strong> nossos pacientes (p. ex., disfunção renal prévia). A<br />

sobrevida <strong>de</strong> nossos pacientes foi comparável à sobrevida dos doentes com disfunção renal submetidos à cirurgia concomitante<br />

do AAA.<br />

<strong>Summary</strong><br />

Concomitant renal revascularization and abdominal aortic aneurysm repair<br />

Introduction: Stenosis of the renal artery is frequent in patients with atherosclerotic aortic disease.<br />

Objective: To evaluate the surgical results of renal revascularization concomitant to the abdominal aortic aneurysm (AAA) repair.<br />

Pacients and methods: Between April 1986 and August 2006, 783 patients were submitted to infrarenal AAA elective repair by<br />

the first author. Of these, 24 pacients (3%) were submitted to concomitant renal revascularization to the AAA repair. We analysed<br />

the <strong>de</strong>mographics, surgical data and the survival through the long term results.<br />

Results: Sixteen patients were male (66,7%), with average age of 69,4 + 6,4 years (range, 54 to 78 years), with the majority<br />

hypertensive (62,5%) and smokers (54,2%). Nine patients (37,5%) had previous renal insufficiency (creatinine levels > 2mg/dL).<br />

Surgical indication was due to aortic aneurismatic disease in all cases. The renal procedures were unilateral in 18 patients (75%)<br />

and bilateral in 6 (25%). Occurred two <strong>de</strong>aths (8,3%) and morbidity of 25% (6/24). The mean of survival time was 53 ± months<br />

and the estimative 5-year survival was 41,7%.<br />

Conclusion: In our study, renal revascularization concomitant to AAA repair revealed acceptable mortality (8,3%), <strong>de</strong>spite the<br />

high risk of our patients (previous renal dysfunction). Furthermore, the long term survival in our patients was comparable to that of<br />

patients with renal insufficiency submitted to AAA repair.<br />

Volume XIV - N.º 2<br />

87

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