Diabetic Critical Ischemia of Lower Limbs: Distal Arterial Revascularisation

Abstract

Objectives: To evaluate the outcomes of ischemic diabetic foot lesions for which distal arterial bypass grafting was considered as the first-line vascular procedure.Patients and Methods: Between November 2004 and November 2006, 19 lower limbs of 17 diabetic patients with lower limb critical ischemia were operated in our department. The bypass grafts included five femoro-popliteal bypass grafts below knee and 14 distal bypass grafts. The 14 distal bypass grafts included; seven venous grafts on the dorsalis pedis artery, four femorotibial pTfE grafts and three femoroperoneal grafts. Arterio-venous fistula was applied to the distal anastomosis site in three limbs.Results: At the time of discharge, the graft patency rate was 93.75%. The mean follow up period was 24 months. The primary cumulative patency rate was 63% at 2 year. The corresponding secondary patency rate was 87%. Among six ischemic ulcers, four ulcers healed within 2 to12 months (66.6%). At 24 months, the cumulative rate of limb salvage was 76% and that of survival was 74%.Conclusion: Distal arterial bypass in diabetic lower limb ischemia improves blood circulation that accelerates foot ulcer healing. It can also avoid amputation or lower its level, and thus improving the patient’s quality of life.