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Long-term outcome after mitral valve repair
Jouni Heikkinen1, Fausto Biancari, Paavo Uusimaa
1Division of Cardiothoracic and Vascular Surgery, Department of Surgery, Oulu University Hospital, Oulu, Finland.
Scandinavian Cardiovascular Journal : SCJ
|August 25, 2005
Summary
Mitral valve repair offers excellent long-term results, but residual regurgitation or COPD can predict reoperation. Optimizing repair techniques reduces late failures and the need for repeat surgery.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery Outcomes
- Valvular Heart Disease
Background:
- Mitral valve repair demonstrates excellent long-term outcomes, yet recurrent mitral regurgitation necessitates reoperation in some patients.
- Identifying risk factors for late failures after mitral valve repair is crucial for improving patient management.
Purpose of the Study:
- To evaluate the long-term outcomes of mitral valve repair for regurgitation.
- To identify risk factors associated with late failures and the need for reoperation.
Main Methods:
- A consecutive series of 164 patients undergoing mitral valve repair for ischemic and degenerative mitral regurgitation were studied.
- Echocardiographic evaluation was performed on 72 patients at a median of 5.6 years post-surgery.
Main Results:
- Ten-year survival freedom from fatal cardiac events was 75.9%, and freedom from redo mitral valve surgery was 93.8%.
- Predictors of redo mitral valve surgery included residual mitral regurgitation grade >1 postoperatively and chronic obstructive pulmonary disease/asthma.
- Echocardiographic follow-up showed significant decreases in mitral regurgitation grade, New York Heart Association class, and left atrium diameter.
Conclusions:
- Mitral valve repair yields excellent long-term clinical results.
- Adequate surgical technique to minimize immediate postoperative residual regurgitation is essential to prevent late failures.
- Further research is needed to clarify the role of chronic obstructive pulmonary disease and connective tissue disorders in late mitral valve repair failures.