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[Reconstructive surgery for acquired mitral regurgitation]
S Fukunaga1, S Aoyagi, K Kosuga
1Second Department of Surgery, Kurume University School of Medicine, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|July 1, 1995
Summary
Mitral valve repair (MVP) shows low operative mortality. While effective for types I and II valve disease, type III mitral regurgitation often requires reoperation, limiting MVP
Area of Science:
- Cardiovascular Surgery
- Cardiac Valve Repair
- Mitral Valve Disease
Context:
- Analysis of 96 patients undergoing mitral valve repair for acquired mitral regurgitation between 1967 and 1994.
- Classification of mitral valve pathology into three types (I, II, III) based on Carpentier's classification.
Purpose:
- To evaluate the long-term outcomes and reoperation rates following mitral valve repair for different types of mitral regurgitation.
- To assess the suitability of mitral valve repair (MVP) for various mitral valve pathologies.
Summary:
- Operative mortality was 1.0%, with no significant difference in late mortality across valve pathology types.
- Thromboembolism occurred at a rate of 0.4% per patient-years.
- Reoperation was required in 28 patients; type II had an 83.2% reoperation-free rate at 20 years, while type III had a 14.8% reoperation-free rate.
Impact:
- Mitral valve repair is a viable option for types I and II mitral regurgitation.
- High reoperation rates for type III mitral regurgitation suggest limited applicability of MVP in these cases.
- Findings guide patient selection for mitral valve repair procedures.