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Related Experiment Videos

Mitral valve surgery: reconstruction versus replacement.

L H Cohn

    Zeitschrift Fur Kardiologie
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Mitral valve reconstruction showed superior outcomes compared to replacement for mitral stenosis, with zero operative mortality and low rates of reoperation and thromboembolism. Valve replacement had higher operative mortality and lower long-term survival rates.

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    Area of Science:

    • Cardiovascular Surgery
    • Cardiac Valve Disease
    • Medical Technology

    Background:

    • The choice between mitral valve reconstruction and replacement is critical due to new data on prosthetic and bioprosthetic valve outcomes.
    • Late results for survival, thromboembolism, and reoperation incidence are now available for various cardiac valves.

    Purpose of the Study:

    • To compare the long-term outcomes of mitral valve reconstruction versus replacement for mitral stenosis.
    • To evaluate outcomes for mitral valve replacement in patients with mitral regurgitation.

    Main Methods:

    • Retrospective analysis of 120 patients undergoing mitral valve reconstruction for mitral stenosis (1972-84).
    • Analysis of 348 patients undergoing mitral valve replacement for mitral stenosis.
    • Analysis of 363 patients undergoing mitral valve replacement for mitral regurgitation.

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    Main Results:

    • Mitral valve reconstruction group: 0% operative mortality, 1.8%/pt year thromboembolism, 1.7%/pt year reoperation.
    • Mitral valve replacement for stenosis: 10% operative mortality (20% with CABG), 68% 9-year survival, 80% freedom from thromboembolism.
    • Mitral valve replacement for regurgitation: 11% operative mortality (20% with CABG), 53% 9-year survival, 87% freedom from thromboembolism.

    Conclusions:

    • Mitral valve reconstruction offers excellent early and late results for mitral stenosis, with significantly lower operative mortality and reoperation rates than replacement.
    • Mitral valve replacement, while effective, is associated with higher operative mortality and lower long-term survival, particularly when combined with coronary artery bypass grafting.