Why the study?
Does surgical treatment improve survival and symptoms in patients with mitral stenosis compared to medical management?
Does surgical treatment improve survival and symptoms in patients with mitral stenosis compared to medical management?
Surgical commissurotomy for mitral stenosis improves survival compared to medical management and provides subjective improvement even in functional Class II patients.
May support surgery in mitral stenosis; leaves open randomized confirmation of survival benefit.
500 consecutive patients with mitral stenosis subjected to surgery are reviewed and survival rates calculated. Survival rates are less than for a comparable normal population, but significantly higher than for patients with mitral stenosis under medical management. For patients in functional Class II with sinus rhythm, the survival rates are identical for operated and un-operated patients, but as 85.6% of the operated patients had subjective improvement, commissurotomy is also recommended for patients in this group.
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Dedichen et al. (1967) studied this question.
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