Abstract
The purpose of this study was to evaluate early results of below-knee bypass using fresh arterial allografts as arterial substitutes for limb salvage. From April 1991 to September 1993, we performed 28 below-knee bypass procedures using fresh arterial allografts in patients without a suitable autologous vein. Allografts were obtained by multiorgan harvesting from brain-dead subjects and preserved at 4 degrees C. Histologic examination of grafts was carried out. Secondary patency at 2 years calculated using the Kaplan-Meier method was 64% (confidence interval [CI] 45%-79%). No signs of graft deterioration or rejection were noted. These preliminary results are encouraging but long-term assessment is needed before expanding the range of application.
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