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Related Experiment Videos

Long-term follow-up after open-heart valve surgery.

H E Hansson, W T Dubiel, E Enghoff

    Scandinavian Journal of Thoracic and Cardiovascular Surgery
    |January 1, 1984
    PubMed
    Summary

    Open-heart valve surgery in Uppsala (1959-1974) showed high initial mortality, decreasing over time. Long-term survival was 50% at 10 years, with cardiac causes dominating mortality and reoperation rates around 10-20%.

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    Area of Science:

    • Cardiovascular Surgery
    • Cardiac Valve Repair
    • Medical Outcomes Research

    Background:

    • Review of long-term outcomes for open-heart valve surgery performed between 1959 and 1974 in Uppsala.
    • Analysis of 677 patients with a mean follow-up of 10 years (range 5-22 years).

    Purpose of the Study:

    • To evaluate the long-term results, complications, survival rates, and functional status after open-heart valve surgery.
    • To assess the durability of early mechanical and biologic valves used during the study period.

    Main Methods:

    • Retrospective review of patient records from Uppsala.
    • Calculation of operative mortality, long-term complication rates (embolism), reoperation frequency, and actuarial survival.
    • Follow-up investigation of 244 survivors to assess functional improvement and late complications.

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    Main Results:

    • Operative mortality decreased from high initial rates to 11-12% by the end of the period.
    • The main long-term complication was embolism; late reoperation rates were 10-20% due to valve durability issues.
    • Actuarial 10-year survival was approximately 50%, with similar rates for aortic and mitral valve disease. Predominant late deaths (60-75%) were cardiac-related.
    • Significant functional improvement was observed in survivors; 6-8% required reoperation for valvular insufficiency.

    Conclusions:

    • Open-heart valve surgery outcomes improved over the study period, but long-term complications like embolism and valve failure necessitated reoperation in a significant proportion of patients.
    • Cardiac causes, including myocardial and valve-related issues, were the primary drivers of late mortality.
    • Despite challenges with early valve technology, survivors generally experienced substantial functional recovery.