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  • Title: PTFE-vein composite grafts for critical limb ischaemia: a valuable alternative to all-autogenous infrageniculate reconstructions.
    Author: Bastounis E, Georgopoulos S, Maltezos C, Alexiou D, Chiotopoulos D, Bramis J.
    Journal: Eur J Vasc Endovasc Surg; 1999 Aug; 18(2):127-32. PubMed ID: 10426969.
    Abstract:
    OBJECTIVES: to analyse the long-term results of primary composite bypass grafts comparing them to PTFE and vein grafts. DESIGN: a retrospective observational study. MATERIALS AND METHODS: between 1980 and 1996, 568 primary infrageniculate bypass procedures were performed; a saphenous-vein graft was used in 428 procedures, a PTFE graft in 44 and a composite PTFE-saphenous-vein graft in 96. Thirty-six composite grafts were below the knee and the remaining 60 extended more distally. Twenty-one bypass grafts from the latter group were sequential. Mean follow-up was 45.6 months. Five-year primary and secondary patency and limb salvage rates were compared by life-table analysis. RESULTS: cumulative 5-year primary patency for composite grafts was 58% and for saphenous-vein grafts 74%, while secondary patency rate was 75% and 82%, respectively (p <0.05). The 5-year limb salvage rate was 80% for composite grafts and 88% for saphenous-vein grafts (p >0.05). The primary and secondary patency and limb salvage rate for PTFE grafts was 24%, 31% and 40%, respectively. CONCLUSION: Composite grafts of PTFE and saphenous vein are significantly superior to PTFE graft alone and should be used in patients who lack sufficient length of saphenous vein.
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