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Vertebral artery bypass

R Berguer, L V Andaya, R B Bauer

    Archives of Surgery (Chicago, Ill. : 1960)
    |September 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    A new surgical technique using autogenous vein bypass grafts effectively treated vertebral artery stenosis. This bypass restored blood flow, relieving symptoms of vertebrobasilar insufficiency in patients with inadequate natural compensation.

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    Area of Science:

    • Vascular Surgery
    • Neurology
    • Interventional Cardiology

    Background:

    • Vertebral artery stenosis commonly occurs at its origin.
    • Normally, collateral circulation compensates for unilateral vertebral artery stenosis.
    • Inadequate collateral flow can lead to vertebrobasilar insufficiency and ischemic symptoms.

    Observation:

    • Four patients presented with symptoms of vertebrobasilar insufficiency due to vertebral artery stenosis.
    • These patients had insufficient collateral circulation via intracranial anastomosis or the contralateral vertebral artery.
    • A novel surgical approach involving a subclavian vertebral artery autogenous vein bypass graft was employed.

    Findings:

    • The subclavian vertebral artery bypass graft procedure was successfully performed in all four patients.

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  • Postoperative angiography confirmed the patency of all bypass grafts one week after surgery.
  • Transient complications included lymphocele and Horner syndrome.

    • Implications:

    • Autogenous vein bypass grafting is a viable option for treating complex vertebral artery stenosis.
    • This technique can restore adequate cerebral blood flow in patients with compromised collateral circulation.
    • Successful bypass grafting alleviates symptoms of vertebrobasilar insufficiency, improving patient outcomes.