Key result
Percutaneous balloon mitral valvotomy resulted in a restenosis rate of 46.5% over a mean follow-up of 140 months, with a restenosis-free probability of 36% at 20 years.
Cohort (n=200)
No
Percutaneous balloon mitral valvotomy provides long-lasting results in over one-third of patients at 20 years, with repeated procedures being feasible in selected patients.
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Long-term restenosis data inform counseling after mitral valvotomy; leaves open need for randomized durability comparisons.
Filho et al. (2012) conducted a cohort in Severe symptomatic mitral stenosis (n=200). Percutaneous balloon mitral valvotomy was evaluated on Restenosis. Percutaneous balloon mitral valvotomy resulted in a restenosis rate of 46.5% over a mean follow-up of 140 months, with a restenosis-free probability of 36% at 20 years.
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