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Femoropopliteal bypass; factors influencing long term patency

O Vennesland, D Bay

    Journal of the Oslo City Hospitals
    |November 1, 1989
    PubMed

    Insights

    Saphenous vein grafts show superior long-term patency compared to umbilical vein grafts in femoropopliteal bypass surgery for arterial occlusive disease. Graft type significantly impacts outcomes, influencing revascularization success.

    Area of Science:

    • Vascular Surgery
    • Biomaterials Science

    Background:

    • Femoropopliteal bypass surgery is a critical intervention for peripheral arterial occlusive disease.
    • Graft material selection is a key determinant of long-term surgical success.

    Purpose of the Study:

    • To compare the long-term patency rates of reversed saphenous vein grafts versus Dardick Biograft (umbilical vein grafts) in femoropopliteal bypass.
    • To identify factors influencing graft patency in patients with arterial occlusive disease.

    Main Methods:

    • Retrospective analysis of 136 patients undergoing femoropopliteal bypass.
    • Graft types included reversed saphenous vein (58%) and Dardick Biograft (42%).
    • Evaluation of patency rates, graft failure, mortality, and influencing factors.

    Main Results:

    • Overall four-year graft patency was 62.2%.
    • Saphenous vein grafts achieved a 74% patency rate, significantly higher than Dardick Biografts at 45%.
    • Early graft failure was 4.8% for autologous veins vs. 33% for umbilical veins; distal anastomosis below the knee and poor arteriographic runoff were associated with lower patency.

    Conclusions:

    • Reversed saphenous vein grafts offer superior long-term patency compared to umbilical vein grafts for femoropopliteal bypass.
    • Graft type is the most critical factor for successful revascularization in this patient cohort.
    • Early failure of umbilical vein grafts was linked to a higher rate of amputations.

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