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Left ventricular function in heart valve surgery: a multidisciplinary challenge

R Körfer1, U Schütt, K Minami

  • 1Department of Thoracic and Cardiovascular Surgery, Heart Center North Rhine-Westfalia, Bad Oeynhausen, University of Bochum, Germany.

The Journal of Heart Valve Disease
|October 1, 1995
PubMed
Summary
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Heart valve replacement outcomes were analyzed for patients with impaired left ventricular (LV) function. While initial results were similar, long-term survival showed increased cardiac mortality in patients with poor LV function.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Research

Background:

  • Heart valve replacement is a common procedure.
  • Impaired left ventricular (LV) function is a significant comorbidity in cardiac surgery patients.
  • Understanding the impact of LV function on outcomes is crucial for patient management.

Purpose of the Study:

  • To evaluate the impact of impaired left ventricular (LV) function on hospital mortality and medium-term survival after heart valve replacement.
  • To assess the influence of age, reoperations, and emergency operations on mortality in this patient cohort.

Main Methods:

  • Retrospective analysis of 4,097 patients undergoing heart valve replacement between January 1988 and December 1994.
  • Comparison of outcomes between patients with normal and impaired LV function.

Related Experiment Videos

  • Assessment of medium-term survival (up to 48 months) in a subgroup of 2,006 patients operated between January 1991 and December 1993.

    • Main Results:

    • Overall hospital mortality was 2.3%. Patients with impaired LV function had a hospital mortality of 1.8%.
    • Mortality increased significantly with age, from 1.5% in patients <60 years to 4.9% in patients ≥80 years.
    • Reoperations (6.2%) and emergency operations (18.2%) were associated with higher mortality.
    • Medium-term cumulative mortality was 12.8% for patients with poor LV function versus 6.1% for those with normal LV function.

    Conclusions:

    • Left ventricular function appears to be of minor importance for primary operative results in heart valve replacement.
    • Patients with impaired LV function undergoing valve replacement face increased long-term mortality, primarily due to cardiac causes.