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[Reoperation for mitral valve disease]

K Asada1, S Sasaki, T Kodama

  • 1Department of Thoracic Surgery, Osaka Medical College, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|July 1, 1994
PubMed
Summary
This summary is machine-generated.

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Repeated open heart surgery for mitral valve disease had high mortality. Improved myocardial protection strategies significantly reduced hospital deaths in recent cases.

Area of Science:

  • Cardiovascular Surgery
  • Cardiac Valve Disease
  • Myocardial Protection

Context:

  • 95 patients underwent repeat open-heart surgery for mitral valve disease between 1978 and 1994.
  • Mean patient age was 50, with an average of 8 years between initial and subsequent operations.
  • Initial procedures included various mitral valve operations and aortic valve replacement.

Purpose:

  • To evaluate the outcomes of repeated open-heart surgery for mitral valve disease.
  • To identify factors contributing to changes in hospital mortality rates.

Summary:

  • Initial operations included open mitral commissurotomy (OMC), mitral annuloplasty (MAP), combined OMC+MAP, mitral valve replacement (MVR), and aortic valve replacement (AVR).
  • Overall hospital death rate was 32.6% (31 cases).

Related Experiment Videos

  • Recent cases showed a reduced hospital death rate of 14.8% (4 cases), linked to improved myocardial protection.

    • Impact:

    • The study highlights the evolution of surgical techniques and myocardial protection strategies in managing complex mitral valve disease.
    • Continuous combined antegrade and retrograde cardioplegia represents a significant advancement, reducing mortality in repeat cardiac surgeries.