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  • Title: Polytetrafluoroethylene in above-knee arterial bypass surgery for critical ischemia.
    Author: O'Riordain DS, Buckley DJ, O'Donnell JA.
    Journal: Am J Surg; 1992 Aug; 164(2):129-31. PubMed ID: 1636892.
    Abstract:
    Seventy-one consecutive above-knee polytetrafluoroethylene (PTFE) femoropopliteal arterial bypasses performed between 1981 and 1989 for critical ischemia were followed prospectively to determine graft patency and limb salvage. Cumulative graft patency and limb salvage rates were calculated by life table analysis. Graft patency was 80%, 68%, 55%, 39%, and 39%, and limb salvage 97%, 87%, 84%, 77%, and 77% at 1, 2, 3, 4, and 5 years, respectively. Twenty-nine grafts have occluded with re-emergence of critical ischemia in 14, treated by 5 amputations and 9 reconstructions using autogenous saphenous vein (ASV) in 6 and PTFE in 3. These favorable results are not as good in terms of primary patency as those reported with ASV, but good limb salvage, good early patency, ease of use, and preservation of the saphenous vein for use later have encouraged us toward primary use of PTFE in selected patients. This experience strongly questions the wisdom of an "all autogenous" policy for reconstruction at this level.
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