Additive effect of phosphodiesterase inhibitors in control of pulmonary hypertension after congenital cardiac surgery in children.

Objective: Control of residual pulmonary arterial hypertension (PAH) after closure of left to right shunts in children is still a challenging issue. The purpose of this study was to compare the effect of two phosphodiesterase inhibitors in pediatric cardiac surgical patients.

Methods: A total of 48 postoperative children were enrolled in the study between 2008 and 2010.