Jornal Vascular Brasileiro
https://www.jvascbras.org/article/doi/10.1590/1677-5449.003817
Jornal Vascular Brasileiro
Original Article

Factors associated with outcome of endovascular treatment of iliac occlusive disease: a single-center experience

Fatores associados com os desfechos clínicos do tratamento endovascular da doença oclusiva ilíaca: experiência de um único centro

Rafael de Athayde Soares, Marcelo Fernando Matielo, Francisco Cardoso Brochado-Neto, Marcus Vinícius Martins Cury, Veridiana Borges Costa, Maria Clara Pereira Sanjuan, Christiano Stchelkunoff Pecego, Roberto Sacilotto

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Abstract

Background: Endovascular treatment (ET) of iliac occlusive disease (IOD) is well established in literature. Use of stents in IOD has achieved long-term limb salvage and patency rates similar to those of open surgery, with lower morbidity and mortality rates. Objectives: To report the long-term outcomes, particularly limb salvage and patency rates, of ET for IOD and the factors associated with these outcomes. Methods: This retrospective cohort study included patients with IOD who underwent iliac angioplasty (IA), between January 2009 and January 2015. Patients with critical limb ischemia or incapacitating claudication were included. Results: In total, 48 IA procedures were performed in 46 patients, with an initial technical success rate of 95.83%. Failure occurred in two patients, who were excluded, leaving 44 patients and 46 IA. The primary patency, secondary patency, limb salvage, and survival rates at 1200 days were 88%, 95.3%, 86.3%, and 69.9%, respectively. Univariate and multivariate Cox regression revealed that the primary patency rate was significantly worse in patients with TASC type C/D than in patients with TASC type A/B (p = 0.044). Analysis of factors associated with major amputation using Cox regression showed that the rate of limb loss was greater in patients with TASC type C/D (p = 0.043). Male gender was associated with reduced survival (p = 0.011). Conclusions: TASC type C/D was associated with a higher number of reinterventions and with worse limb loss and primary patency rates. Male gender was associated with a worse survival rate after ET of IOD.

Keywords

endovascular treatment; iliac occlusive disease; critical limb ischemia; incapacitating claudication; major amputation.

Resumo

Contexto: O tratamento endovascular da doença oclusiva ilíaca (DOI) é bem estabelecido. O uso de stents nas angioplastias ilíacas (AI) alcançou estimativas de salvamento de membro e perviedade similares às de cirurgias abertas, porém com menor morbimortalidade. Objetivos: Demonstrar os desfechos clínicos a longo prazo, principalmente as estimativas de salvamento de membro (ESM) e perviedade, do tratamento endovascular da DOI e os fatores associados. Método: Estudo de coorte retrospectiva e consecutiva incluindo pacientes com DOI e isquemia crítica ou claudicação limitante submetidos a AI entre janeiro de 2009 a janeiro de 2015. Resultados: Foram realizadas 48 AI em 46 pacientes, com uma taxa de sucesso técnico inicial de 95,83%. Ocorreu falha técnica em dois pacientes, os quais foram excluídos da análise, restando 44 pacientes e 46 AI. As estimativas de perviedade primária, perviedade secundária, ESM e sobrevida aos 1.200 dias foram de 88%, 95,3%, 86,3% e 69,9%, respectivamente. A regressão de Cox univariada e multivariada revelou que a perviedade primária foi pior em pacientes com classificação TASC C/D do que em pacientes TASC A/B (p = 0,044). Quando analisamos os fatores associados à amputação maior, verificou-se que lesões TASC tipo C/D (p = 0,043) apresentaram piores resultados. O sexo masculino foi associado com sobrevida reduzida (p = 0,011). Conclusões: Classificação TASC tipo C/D foi associada a um maior número de reintervenções, maior perda de membro e piores estimativas de perviedade primária. O sexo masculino foi associado a uma pior sobrevida.

Palavras-chave

tratamento endovascular; doença oclusiva líaca; isquemia crítica; claudicação limitante; amputação maior.

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