Why the study?
Does percutaneous balloon pulmonary valvuloplasty provide long-term relief of pulmonary valvular obstruction in patients with congenital pulmonary valve stenosis?
Does percutaneous balloon pulmonary valvuloplasty provide long-term relief of pulmonary valvular obstruction in patients with congenital pulmonary valve stenosis?
Balloon pulmonary valvuloplasty provides effective long-term relief of congenital pulmonary valve stenosis, though patients treated at less than 2 years of age have a higher risk of residual gradients.
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Supports durable relief after balloon valvuloplasty in most patients; leaves open need for prospective trials and age-specific outcomes.
McCrindle et al. (1991) studied this question.
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