Why the study?
Does percutaneous balloon dilatation of the mitral valve provide sustained anatomical and functional improvement in patients with severe mitral stenosis?
Does percutaneous balloon dilatation of the mitral valve provide sustained anatomical and functional improvement in patients with severe mitral stenosis?
Percutaneous balloon dilatation of the mitral valve provides sustained anatomical and functional improvement in over 80% of patients with severe mitral stenosis at late follow-up.
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Supports sustained mitral valve area after balloon dilatation in severe MS; extends observational data but leaves open randomized confirmation of durability.
Ruiz et al. (1994) studied this question.
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