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Nonsyphilitic coronary ostial stenosis.

H B Barner, J E Codd, J G Mudd

    Archives of Surgery (Chicago, Ill. : 1960)
    |December 1, 1977
    PubMed
    Summary

    Coronary ostial stenosis treatment using bypass grafts offers symptom relief for most patients. Ideally, two bypass grafts are recommended for left ostial disease to ensure optimal outcomes.

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    Area of Science:

    • Cardiovascular Surgery
    • Interventional Cardiology
    • Vascular Medicine

    Background:

    • Atherosclerotic coronary ostial stenosis is a rare condition affecting the origins of the coronary arteries.
    • It can lead to significant myocardial ischemia and angina pectoris.

    Purpose of the Study:

    • To evaluate the surgical outcomes of coronary bypass grafting in patients with atherosclerotic coronary ostial stenosis.
    • To assess graft patency and long-term symptom relief.

    Main Methods:

    • Retrospective review of 15 patients (1970-1977) with atherosclerotic coronary ostial stenosis.
    • Surgical intervention included coronary artery bypass grafting (CABG) and, in select cases, aortic valve replacement.
    • Postoperative assessment included clinical evaluation and coronary angiography.

    Main Results:

    • 14 of 15 patients underwent CABG; 11 remain angina-free postoperatively.
    • Graft patency rates were high: 11/13 vein grafts and 8/9 internal mammary artery grafts were patent.
    • Mortality occurred in two patients, one with valve replacement and one with preoperative cardiogenic shock.

    Conclusions:

    • Coronary artery bypass grafting is an effective treatment for atherosclerotic coronary ostial stenosis, providing significant relief from angina.
    • Optimal surgical strategy may involve bilateral internal mammary artery grafting or two bypass grafts for left ostial disease.
    • Long-term graft patency is favorable, supporting the durability of surgical intervention.

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