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  • Title: Replacement of in situ saphenous venous aneurysms with arterial autografts.
    Author: Majeski J.
    Journal: Am J Surg; 2004 Aug; 188(2):168-70. PubMed ID: 15249244.
    Abstract:
    BACKGROUND: Aneurysm formation in arterialized autologous saphenous veins is an unusual complication of in situ femoral popliteal bypass procedures. METHODS: In a personal series of 207 in situ saphenous femoral popliteal bypass operations, three nonanastomatic venous aneurysms occurred. All three venous aneurysms occurred in male patients who had no adequate autologous vein available as an interposition graft. The use of eversion endarterectomized superficial femoral artery is reported as a substitute interposition graft with long-term results. RESULTS: In the 3 male patients in this series, nonanastomatic aneurysms developed in their in situ saphenous femoral popliteal bypass grafts. The venous aneurysms developed between 5 and 8 years after the original surgical procedure. No adequate vein was available as a replacement for the excised venous aneurysm. Prosthetic conduit was not used owing to the remote possibility of a subclinical infection. A segment of eversion thromboendarectomized superficial femoral artery removed from the same leg was used as a replacement interposition graft in each patient. The in situ venous graft with the autologous interposition thromboendarterectomized superficial femoral artery remained patent until each patient's death 4 to 7 years after the venous aneurysm replacement. CONCLUSIONS: A short segment of endarectomized superficial femoral artery has been found to be a novel solution for the treatment of isolated saphenous vein graft aneurysms when no suitable vein is available. These patients should be maintained on lifelong aspirin therapy owing to the thrombogenic potential of endarectomized artery.
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