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  • Title: Reoperation for aortofemoral graft limb occlusion: optimal methods and long-term results.
    Author: Brewster DC, Meier GH, Darling RC, Moncure AC, LaMuraglia GM, Abbott WM.
    Journal: J Vasc Surg; 1987 Feb; 5(2):363-74. PubMed ID: 3820408.
    Abstract:
    To determine optimal methods of reoperation, experience with 157 secondary procedures for unilateral aortofemoral graft limb occlusion in 110 patients during a 16-year period was reviewed. In earlier years, inflow was reestablished by direct replacement of the graft limb or entire graft (11%); more recently, graft limb thrombectomy has been used most frequently (68%) with equal success, durability, and less morbidity. Femorofemoral grafts from the patent contralateral graft limb were employed in 18% of patients, usually those in whom thrombectomy was not attempted. Thrombolytic therapy (3%) appears to offer little advantage, is time-consuming, and occasionally causes significant complications. In addition to reestablishment of inflow, most patients also required revision of the femoral anastomosis to improve profunda femoris runoff; this was usually best accomplished by short segmental extension of the graft limb to the more distal deep femoral artery. Concomitant femoropopliteal bypass was done in 32% of patients and is indicated when preoperative angiography or specific intraoperative findings suggest inadequate profunda femoris outflow. An aggressive approach to reoperation appeared justified by long-term results (mean follow-up 37 months). Despite the need for repetitive reoperation in 26% of patients (two to five reoperations), graft limb patency was ultimately maintained in 78% and limb salvage achieved in 67% of patients, with an operative mortality rate of only 1.9%.
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