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  • Title: Management of failed and infected axillofemoral grafts.
    Author: Marston WA, Risley GL, Criado E, Burnham SJ, Keagy BA.
    Journal: J Vasc Surg; 1994 Sep; 20(3):357-65; discussion 365-6. PubMed ID: 8084027.
    Abstract:
    PURPOSE: The purpose of this study was to review the treatment of patients with failed or infected axillofemoral bypass grafts and to determine the efficacy of remedial procedures in maintaining graft patency and limb preservation. METHODS: Thirty-four patients with 37 failed or infected axillofemoral grafts were retrospectively reviewed. In nine cases there was no attempt at revascularization, and in the remaining 28 cases, a total of 52 remedial procedures was performed. Nine were performed in patients with graft infection and 43 in patients with graft thrombosis. In patients with axillofemoral graft failure, 21 thrombectomies, 13 graft revisions, and 9 secondary reconstructions were performed. Eighty-eight percent of patients were monitored at least 2 years or until graft failure. RESULTS: Eight of nine patients receiving no remedial procedure required major amputation. The limb salvage rate was 64% +/- 11% at 30 months in the 25 patients undergoing remedial procedures. Twenty-eight percent of failed axillofemoral grafts remained patent at 2 years after initial failure with single or multiple thrombectomies or revisions. Life-table primary patency after secondary reconstructions (81% +/- 10.9% at 24 months) was significantly better than after thrombectomy alone (10% +/- 4.2% at 24 months) or graft revision (16% +/- 10.6% at 24 months) by log-rank test (p < 0.001 and p < 0.005, respectively). Patients undergoing reconstruction with descending thoracic aorta to femoral artery bypass had an 89% +/- 11% patency rate at 24 months. Graft infection resulted in a perioperative mortality rate of 22% and amputation in 57% of survivors. CONCLUSION: Axillofemoral graft failure most often results in limb loss without remedial procedures. Thrombectomy and revision procedures had poor long-term patency rates and salvaged only a minority of grafts despite multiple procedures. Reconstruction by use of an alternate source of inflow such as the descending thoracic aorta resulted in better long-term patency rates in patients well enough to tolerate a major reoperative procedure.
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