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Related Experiment Videos

Aortofemoral bypass grafting: Microvel

R E Lind, C B Wright, T G Lynch

    The American Surgeon
    |March 1, 1982
    PubMed
    Summary

    Aortofemoral bypass using double velour grafts showed satisfactory results in treating aortoiliac occlusive disease. This procedure effectively relieved claudication symptoms with low operative mortality and infrequent complications.

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    Area of Science:

    • Vascular Surgery
    • Biomaterials in Medicine
    • Cardiovascular Disease

    Background:

    • Aortoiliac occlusive disease (AIOD) significantly impacts lower limb perfusion.
    • Surgical revascularization is a primary treatment for AIOD.
    • Graft material choice influences surgical outcomes.

    Purpose of the Study:

    • To evaluate the efficacy and safety of knitted double velour (Microvel) prostheses in aortofemoral bypass surgery.
    • To compare outcomes between double velour and standard Dacron grafts for AIOD.
    • To assess the long-term patency and complication rates of aortofemoral bypass.

    Main Methods:

    • Retrospective analysis of 175 patients undergoing elective aortofemoral bypass (1976-1979).
    • Comparison between 118 patients receiving double velour grafts and 57 receiving standard Dacron grafts.
    • Minimum 12-month follow-up including clinical assessment and hemodynamic measurements.

    Main Results:

    • Operative mortality was 1.7% (3 patients).
    • Early graft thrombosis occurred in 3 limbs, successfully treated with reoperation.
    • Late graft limb occlusion occurred in 3.4% of patients.
    • Claudication was relieved in 78% and improved in 18.5% of symptomatic extremities.
    • Hemodynamic indices improved, with only 3.5% of extremities failing to improve.

    Conclusions:

    • Aortofemoral grafting, particularly with end-to-end proximal anastomosis and profunda origin hooding, is effective for AIOD.
    • Knitted double velour grafts demonstrated satisfactory results in this cohort.
    • The technique and graft material contribute to favorable long-term outcomes in treating AIOD.

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