Key result
Balloon dilation relieves symptoms in ~80% of typical congenital mitral stenosis cases despite significant procedural risks.
Why the study?
The effectiveness and safety of balloon dilation as an alternative to surgery for congenital mitral stenosis required evaluation.
Observational (n=7)
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Balloon dilation may relieve symptoms in select congenital mitral stenosis cases; leaves open questions on safety and long-term efficacy.
Alday et al. (1994) conducted an observational in Congenital mitral stenosis (n=7). Balloon dilation was evaluated on Procedural success and change in valve area. Balloon dilation successfully increased mitral valve area and provided symptom relief in four of five patients with typical congenital mitral stenosis, though it carries significant risks in severely ill children.
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