Why the study?
Does balloon dilatation cause tearing in rheumatic mitral valves with subvalvar involvement?
Does balloon dilatation cause tearing in rheumatic mitral valves with subvalvar involvement?
Extensive subvalvar involvement in rheumatic mitral valve disease increases the risk of leaflet tearing during balloon dilatation, which may predispose to acute valvar insufficiency.
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Extensive subvalvar involvement may raise leaflet tear risk during balloon dilatation; leaves open safer techniques for rheumatic mitral stenosis.
Sadee et al. (1991) studied this question.
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