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Radial artery bypass graft is a feasible and durable conduit for challenging infrainguinal revascularization: 17 years of Melbourne experience.

B. Mees,D. Robinson,G. Fell,A. Chan

Published 2014 in European Journal of Vascular and Endovascular Surgery

ABSTRACT

OBJECTIVES The superiority of autogenous venous conduits in infrainguinal bypass surgery is well established. In the absence of suitable leg or arm veins the radial artery can be utilized as an alternative autogenous conduit. In contrast to cardiac surgery, experience with the radial artery as a conduit for infrainguinal bypass surgery is limited. The purpose of this study was to review the outcomes of our radial artery bypasses over the last 17 years. METHODS All radial artery bypasses performed between 1995 and 2012 were identified from a prospective database. Patency, limb salvage, and survival were calculated using the Kaplan-Meier survival estimate method. RESULTS Twenty-nine radial artery bypasses were performed in 28 patients. Median follow-up was 55 months (range 1-170). Twelve-month primary, assisted primary, and secondary patency rates were 49%, 62%, and 73% respectively; Both 3-year and 5-year primary, assisted primary, and secondary patency rates were 49%, 56% and 67% respectively. Limb salvage rate was 75% at 1- and 5-year follow-up. Patient survival at 1, 3, and 5 years was 96%, 88%, and 76%. CONCLUSIONS For patients with need of challenging infrainguinal revascularization without suitable autogenous venous conduit, a radial artery bypass can be performed safely with favorable long-term patency and limb salvage rates.

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