Abstract
Percutaneous balloon pulmonary valvuloplasty for congenital pulmonary valve stenosis was performed in 40 adult patients (aged 18 to 56 years). The duration of follow-up was 24.5 ± 11.5 months. The peak systolic pressure gradient from the right ventricle to the pulmonary artery decreased from 107 ± 29 mm Hg to 37 ± 25 mm Hg immediately after the procedure. On follow-up, gradient obtained either by cardiac catheterization or Doppler echocardiography was 31 ± 13 mm Hg. In eight patients with residual gradient after valvuloplasty of >50 mm, the mean peak systolic gradient decreased from 74.5 ± 18.3 to 33.5 ± 13.9 mm Hg on follow-up. Thus balloon pulmonary valvuloplasty is a safe and effective procedure for the treatment of adult patients with pulmonic stenosis; there is a tendency for high residual gradients to regress on follow-up.
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