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  • Title: Long-term results of femorotibial bypass with vein or polytetrafluoroethylene.
    Author: Sayers RD, Raptis S, Berce M, Miller JH.
    Journal: Br J Surg; 1998 Jul; 85(7):934-8. PubMed ID: 9692567.
    Abstract:
    BACKGROUND: This was a retrospective review of the long-term results of femorotibial bypass using autologous vein and polytetrafluoroethylene (PTFE) over 24 years. METHODS: Some 518 patients who underwent 635 femorotibial bypass grafts were studied. Outcome measures analysed included primary and secondary graft patency, limb salvage rates and death. RESULTS: Overall primary and secondary graft patencies were 62 and 67 per cent respectively at 12 months, and 44 and 48 per cent at 24 months. For vein grafts, the primary and secondary patencies were 63 and 66 per cent at 12 months, and 54 and 56 per cent at 24 months. For PTFE grafts, the primary and secondary patencies were 48 and 54 per cent at 12 months, and 31 and 37 per cent at 24 months. Limb salvage and patient survival rates were 81 and 84 per cent at 12 months, and 73 and 74 per cent at 24 months. Primary and secondary graft patencies for vein were significantly better than for PTFE (P = 0.0001). There was no difference in patency between reversed and in situ grafts. CONCLUSION: Femorotibial bypass can produce excellent long-term results. Vein remains the conduit of choice but in the absence of vein acceptable results can be achieved with PTFE.
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