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[Reoperation after open mitral commissurotomy for mitral stenosis]
T Fujiwara1, T Murakami, H Inada
1Department of Thoracic and Cardiovascular Surgery, Kawasaki Medical School, Kurashiki, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|July 1, 1994
Summary
Open mitral commissurotomy for mitral stenosis can lead to reoperation due to recurrent mitral lesions. Tricuspid regurgitation significantly impacts symptoms and increases reoperation risk.
Area of Science:
- Cardiology
- Cardiac Surgery
- Valvular Heart Disease
Background:
- Mitral stenosis is a significant valvular heart disease.
- Open mitral commissurotomy is a surgical option for mitral stenosis.
- Recurrent mitral valve lesions can necessitate reoperation.
Purpose of the Study:
- To evaluate the incidence and causes of reoperation after open mitral commissurotomy for mitral stenosis.
- To assess the role of tricuspid valve regurgitation in patients undergoing reoperation.
Main Methods:
- Retrospective review of 95 patients who underwent open mitral commissurotomy between 1975 and 1993.
- Analysis of reoperation indications, timing, and outcomes.
- Evaluation of mitral and tricuspid valve pathology.
Main Results:
- 16 out of 95 patients (16.8%) required reoperation after a mean of 11 years.
- Common reasons for reoperation included restenosis (8 patients) and stenoinsufficiency (6 patients).
- Significant tricuspid valve regurgitation was present in 9 patients, particularly those in NYHA functional class III or IV (7 of 8).
Conclusions:
- Open mitral commissurotomy for mitral stenosis carries a risk of reoperation due to progressive valvular and subvalvular lesions.
- Tricuspid valve regurgitation is a common comorbidity that exacerbates symptoms and poses a significant risk factor for reoperation.