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Mitral valve surgery in the elderly

E M Lee1, J N Porter, L M Shapiro

  • 1Regional Cardiac Unit, Papworth Hospital, Cambridge, UK.

The Journal of Heart Valve Disease
|January 1, 1997
PubMed
Summary
This summary is machine-generated.

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Late mitral valve surgery, not age, significantly impacts outcomes in elderly patients. Early intervention and valve repair, when possible, lead to excellent medium-term results for both young and older individuals.

Area of Science:

  • Cardiovascular Surgery
  • Geriatric Cardiology
  • Valvular Heart Disease

Background:

  • Previous studies suggest poorer outcomes in elderly patients undergoing mitral valve surgery.
  • These studies often failed to differentiate between age itself and associated comorbidities or surgical timing.
  • This study investigates the independent and interactive effects of age and other factors on mitral valve surgery outcomes.

Purpose of the Study:

  • To determine the relative contributions of advanced age versus age-associated factors to outcomes after mitral valve surgery.
  • To compare outcomes between elderly (>=70 years) and younger (<70 years) adult patients undergoing mitral valve repair or replacement.

Main Methods:

  • A comparative study of 190 elderly and 424 younger adult patients undergoing mitral valve surgery (repair or replacement).

Related Experiment Videos

  • Baseline characteristics, operative details, and short-term and long-term outcomes were analyzed.
  • Multivariate analysis was employed to identify independent predictors of survival and complications.

    • Main Results:

    • Elderly patients presented with more comorbidities, including degenerative mitral regurgitation, coronary artery disease, and impaired left ventricular function.
    • Operative mortality was low and similar in both age groups (3.7% vs. 3.5%).
    • Seven-year survival was significantly poorer in the elderly, but freedom from complications-related death was excellent and similar in both groups when surgery was performed early in asymptomatic or mildly symptomatic patients with preserved left ventricular function.

    Conclusions:

    • Late surgical intervention, rather than advanced age itself, is the primary driver of poor outcomes in elderly patients undergoing mitral valve surgery.
    • Prioritizing early surgery and mitral valve repair over replacement, when feasible, yields excellent medium-term results for both elderly and younger patients.
    • Optimizing preoperative conditions, including New York Heart Association class and left ventricular function, is crucial for favorable surgical outcomes across all age groups.