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  • Title: Polytetrafluoroethylene vein composite grafts across the knee.
    Author: Scribner RG, Beare JP, Harris EJ, Sydorak GR, Tawes RL, Brown WH.
    Journal: Surg Gynecol Obstet; 1983 Sep; 157(3):237-41. PubMed ID: 6612572.
    Abstract:
    Fifteen Gore-tex vein composite femoral-popliteal artery bypass procedures were performed during the four year period of December 1975 to December 1979. Nine were performed for salvage of the limb and six, for incapacitating claudication. Preoperatively, all patients had an arteriographic evaluation of the outflow tract. CPR by the life-table method was 63 per cent at six years. Early failures were three occlusions within two months in patients with poor outflow. One late occlusion occurred at 16 months, and the limb was salvaged with a femoral tibial bypass graft. Another late occlusion was treated by thrombectomy at 24 months with continued patency. Late revision was carried out in one patient at seven months. This consisted of repair of a stenosis of the distal popliteal artery with salvage of the graft. Only two of ten grafts available for evaluation beyond one year have become occluded. All patients operated upon for claudication or with good runoff have patent grafts. On the contrary, none of the grafts to an isolated popliteal segment remained patent. When there is not sufficient autogenous saphenous vein available for femoral-popliteal bypass, the ready availability of a synthetic graft makes it an attractive choice. Nevertheless, our 63 per cent CPR at six years strongly suggests that the composite graft is a durable option.
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