This report reviewed the results of 47 distal arterial reconstructions to or below the level of the malleolus. The operations were performed by the techniques of popliteal-to-distal bypass (20 procedures) and in situ bypass (27 procedures). Seventy-five percent of patients had gangrene of ischemic ulceration, and all procedures were performed for limb salvage. Seventy-three percent of all patients were diabetic. The patency rates for popliteal-to-distal bypass with reversed saphenous vein were 92 percent at 24 months and 57 percent at 60 months, with a limb salvage rate of 70 percent at 60 months; the patency rates for popliteal-to-distal bypass with PTFE were 53 percent at 12 months and 0 at 36 months, with a limb salvage rate of 53 percent at 36 months; and the patency rate for in situ saphenous vein bypass was 96 percent at 24 months, with a limb salvage rate of 80 percent at 24 months. Early results are promising for ankle bypass using the techniques of poplitealto-distal and in situ bypass.
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