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Related Experiment Videos

Reoperation for prosthetic heart valve dysfunction: 19 years' experience.

Z Masri1, R Girardet, A Attum

  • 1The Department of Cardiovascular Surgery, Humana Heart Institute International, Louisville, Kentucky 40217, USA.

Texas Heart Institute Journal
|January 1, 1990
PubMed
Summary

Reoperations for prosthetic valve dysfunction showed a 14.5% 30-day mortality. Preoperative functional class and valve dysfunction type significantly impacted patient survival rates.

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Biomedical Engineering

Background:

  • Prosthetic heart valves are crucial for treating valvular heart disease.
  • Reoperation for prosthetic valve dysfunction presents significant surgical challenges.
  • Long-term outcomes of reoperations for prosthetic valve dysfunction require continuous evaluation.

Purpose of the Study:

  • To analyze the outcomes of reoperations for prosthetic valve dysfunction.
  • To identify factors influencing early and late mortality after valve reoperation.
  • To present a comprehensive experience of the last reoperation in a cohort of patients.

Main Methods:

  • Retrospective analysis of 152 patients undergoing 179 reoperations for prosthetic valve dysfunction.
  • Data collected between September 1968 and October 1987.

Related Experiment Videos

  • Evaluation of valve type, dysfunction mode, and New York Heart Association (NYHA) functional class.

    • Main Results:

    • The 30-day operative mortality was 14.5%.
    • Five-year and 10-year survival rates were 75% and 63%, respectively.
    • Preoperative functional class and mode of valve dysfunction were significant predictors of mortality.

    Conclusions:

    • Reoperation for prosthetic valve dysfunction carries substantial early and late mortality risks.
    • Patient's preoperative functional status and the specific cause of valve dysfunction are critical determinants of outcomes.
    • These findings underscore the importance of careful patient selection and risk stratification for valve reoperation.