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Mitral valve prolapse requiring surgery. Clinical and pathologic study.

D D Tresch, T P Doyle, L I Boncheck

    The American Journal of Medicine
    |February 1, 1985
    PubMed
    Summary
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    Mitral valve prolapse can lead to heart failure requiring surgery, particularly in older males. This subset of patients may experience prolonged asymptomatic periods before abrupt heart failure onset.

    Area of Science:

    • Cardiology
    • Cardiovascular Surgery
    • Pathology

    Background:

    • Mitral valve prolapse (MVP) is a common valvular condition.
    • Heart failure is a potential complication of MVP, necessitating surgical intervention.
    • Understanding the specific patient subset at risk for severe MVP complications is crucial.

    Purpose of the Study:

    • To review clinical, hemodynamic, surgical, and pathologic findings in patients undergoing mitral valve surgery for MVP.
    • To identify demographic and clinical characteristics of MVP patients who develop severe mitral regurgitation and heart failure.

    Main Methods:

    • Retrospective review of 30 patients with preoperative MVP diagnosis requiring mitral valve surgery.
    • Analysis of clinical presentation, echocardiography, cardiac catheterization, angiography, and surgical/pathologic findings.

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    Main Results:

    • The study cohort (mean age 59.5 years) predominantly comprised males (20/30).
    • All patients exhibited severe mitral regurgitation and myxomatous valve changes; 19 had ruptured chordae tendineae.
    • Abrupt heart failure symptoms contrasted with a history of systolic murmurs; electrocardiographic and echocardiographic abnormalities were common.

    Conclusions:

    • Heart failure requiring mitral valve surgery can occur in a specific subset of MVP patients.
    • This subset is characterized by male predominance and age over 50.
    • These patients may remain asymptomatic with mild-moderate mitral regurgitation for years before developing severe heart failure.