Why the study?
Does closed valvulotomy improve 10-year survival rates in patients with mitral stenosis?
Does closed valvulotomy improve 10-year survival rates in patients with mitral stenosis?
Closed valvulotomy improves long-term survival in mitral stenosis compared to medical therapy, with outcomes heavily influenced by preoperative disease severity and successful restoration of valvular function.
May support closed valvulotomy over medical therapy for mitral stenosis survival; leaves open randomized confirmation before practice change.
The 10-year survival rates of 165 consecutive patients with mitral stenosis subjected to closed valvulotomy are reviewed. While patients operated on for mitral stenosis appear to live longer than medically treated patients, their survival rates are less than those of the general population. Factors with significantly adverse influence upon postoperative survival are pre-operative heart failure, severe disability, atrial fibrillation, mitral regurgitation, mitral valvular calcification, and severe mitral stenosis with marked changes of the valves. The prognostic significance of operative restoration of normal valvular function, as indicated by postoperative catheteri-zation studies, is clearly demonstrated in the present material.
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Olesen et al. (1969) studied this question.
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