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Abstract
Background: Balloon pulmonary valvuloplasty (BPV) is the treatment of choice for patients with pulmonary valve stenosis (PS). Methods: An observational retrospective cross sectional study was done on cases underwent BPV from 2004-2013 in cardiac cath unit- pediatric cardiology department- Cairo university. The registry was queried for cases of isolated BPV. Multivariable models were built to report the predictors of outcome of balloon pulmonary valvuloplasty and its complications both during and early after the intervention. Results: 1200 cases were included in the study and subdivided into age groups (Neonates: 282 cases, Infants: 362 cases and Children: 556 cases). Procedural success was achieved in 82.7% procedures, being defined as DROP of right ventricular systolic pressure to less than or equal to 50% of the baseline measurements. Procedural success was more common in children age group (84.5%) compared to other age groups. Among the unsuccessful group which represents 17.3% of the study group, 13.7 % underwent redo of BPV while 3.6% undergone surgery. Complications observed in 8.5% of cases being the commonest in the neonatal age group with 21.6%. Conclusions: BPV is the treatment of choice for pulmonary valve stenosis in all age groups and the immediate post-BPV pressure gradient DROP was the most important predictor of success of BPV