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A retrospective study of 474 femoropopliteal and femorotibial bypasses performed for limb salvage with a follow-up of up to 14 years is presented. The overall operative mortality rate was 4.2%. Initial limb salvage rate for femoropopliteal was 82.8% and for femorotibial, 67.9%. Cumulative limb salvage rate, as calculated by the life-table method, at 1, 5, 10, and 14 years for femorpopliteal was 67.6%, 59.7%, 54.0%, and 31.5%; for femorotibial 53.9%, 46.9%, 42.2%, and 42.2%. Initial and long-term salvage of severely ischemic lower extremities can be achieved in a large number of patients by revascularization to the popliteal and more distal arterial tree. Therefore we conclude that arterial reconstruction for salvage of severely ischemic limbs should be considered in lieu of primary amputation in all patients with popliteal or tibial run-off.

To determine the feasibility of limb salvage in elderly patients in whom severe ischemia of the lower extremity is present, the results of femoro-popliteal reconstruction done primarily for limb salvage were reviewed. Of 310 femoro-popliteal bypasses, 72 were performed on patients 70 years of age or older. In the over-70 group, ischemic necrosis was present in 70.8% rest pain in 22.2%, and claudication in 7.0%. Initial limb salvage patients 70 years of age or older was 71.4%. Cumulative limb salvage at 5 years was 51.1% and at 10 years was 44.8%. Operative mortality, including mortality of subsequent amputation, when required, was 8.3%. Appreciable limb salvage can be achieved by femoro-popliteal arterial reconstruction in lieu of primary amputation in elderly patients in whom severe arterial insufficiency of the lower extremity is present.