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Related Experiment Videos

The innominate steal syndrome.

R Kempczinski, G Hermann

    The Journal of Cardiovascular Surgery
    |September 1, 1979
    PubMed
    Summary

    Innominate artery occlusion, causing cerebrovascular insufficiency, can be effectively treated with dacron bypass grafts. This surgical intervention provides complete symptom relief and long-term patency for patients with this rare condition.

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    Area of Science:

    • Vascular Surgery
    • Cardiovascular Medicine
    • Cerebrovascular Disease

    Background:

    • Isolated innominate artery occlusion is a rare condition causing significant cerebrovascular insufficiency.
    • It presents with distinct hemodynamic alterations in extracranial arterial flow, unlike subclavian steal.
    • This condition is rarely asymptomatic.

    Observation:

    • Two patients with isolated innominate artery occlusion experienced right-sided cerebrovascular insufficiency.
    • One patient also reported progressive right upper extremity pain and weakness.
    • Both patients underwent treatment with dacron bypass grafts from the ascending aorta to the innominate bifurcation.

    Findings:

    • The dacron bypass grafting resulted in complete relief of all symptoms for both patients.
    • Innominate artery occlusion induces significant hemodynamic changes and is rarely asymptomatic.
    • Three distinct patterns of blood flow have been described secondary to this lesion.

    Implications:

    • Dacron bypass grafting is a favored and effective treatment for innominate artery occlusion.
    • Surgical correction, preferably via bypass grafting or endarterectomy, offers long-term symptom relief and reconstruction patency.
    • Extra-anatomic bypasses are a less satisfactory alternative, reserved for high-risk patients.

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