Percutaneous transluminal balloon pulmonary valvoplasty--long-term results.

Abstract

Thirty-two patients with isolated valvar pulmonary stenosis (21 male; 11 female, age range 4 to 53 years, mean 14 years) underwent cardiac catheterization and balloon valvoplasty. Right ventricular systolic pressure before valvoplasty ranged from 65 to 210 mm Hg (mean 120.2 +/- 44.8 mm Hg). It fell to 24-200 mm Hg (mean 73.1 +/- 42.4 mm Hg) immediately… (More)

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