Endovascular Recanalization of the Chronically Occluded Native Superficial Artery After Failed Bypass Graft: Midterm Results

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2022

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Elsevier Inc.

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Abstract

Purpose: To evaluate the safety, effectiveness, and outcomes of endovascular recanalization of chronic total occlusion (CTO) of the superficial femoral artery (SFA) in patients with critical limb ischemia (CLI) after failed surgical bypass graft. Methods: Endovascular recanalization of SFA CTO was performed for 26 consecutive CLI patients with failed bypass grafts from 2016 to 2020. Patient demographics, bypass and lesion characteristics, procedural data, technical, and clinical outcomes were evaluated. Results: The technical success rate was 96.2% (25/26). Retrograde arterial access was used in 16 (61.6%) patients. Additional tibial and iliac angioplasty was performed in 15 and 2 patients, respectively. Fifteen complications occurred in 10 patients, including thrombosis, embolism, vessel rupture, dissection, arteriovenous fistula, and pseudoaneurysm. Pain relief and wound healing were achieved in 22 patients. The primary, assisted primary, and secondary patency rates were 95.5%, 100%, and 100% at 6 months, 81.8%, 95.5%, and 100% at 12 months, and 76.7%, 82.7%, and 87.5% at 24 months, respectively. By univariate analysis, hyperlipidemia (hazard ratio = 7.82; 95% CI: 1.27–48.04, P = .026) was found to be the only significant risk factor related to primary patency loss. Amputation-free survival and limb salvage rates were 100% and 100% at 6 months, 100% and 100% at 12 months, and 87.1% and 93.8% at 24 months, respectively. Conclusions: Endovascular recanalization of SFA CTO in CLI patients with graft failures is effective with high technical success rates. Acceptable limb salvage and amputation-free survival rates make this technique a reasonable alternative to repeat surgery for high-risk patients. © 2021 SIR

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Source

Journal of Vascular and Interventional Radiology

Volume

33

Issue

1

Start Page

62

End Page

700