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Reoperation for prosthetic heart valve dysfunction: 19 years' experience
1The Department of Cardiovascular Surgery, Humana Heart Institute International, Louisville, Kentucky 40217, USA.
Texas Heart Institute Journal
|January 1, 1990
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.
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.
- 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.