期刊
PEDIATRIC PULMONOLOGY
卷 50, 期 6, 页码 588-595出版社
WILEY
DOI: 10.1002/ppul.23032
关键词
pulmonary hypertensive crisis; synthetic prostacyclin analogue; hemodynamic parameters; safety
资金
- Bayer Pharma AG
Congenital heart disease (CHD) can cause pulmonary hypertension (PH) in children, and surgery to correct CHD may be complicated by postoperative pulmonary hypertensive crises (PHC). Clinical data regarding the use of inhaled iloprost to treat children with PH are scarce. Our aim was to determine the efficacy and safety of iloprost in children with PH following surgery to correct CHD. This was a randomized, placebo-controlled study of 22 children (median age 7 months) undergoing surgery to achieve biventricular repair. The combined clinical endpoint was a decrease of more than 20% in the ratio of systolic pulmonary arterial pressure to systolic arterial pressure or pulmonary resistance to systemic resistance, with no PHC or death. Patients were randomized to receive low-dose iloprost (30ng/kg/min), high-dose iloprost (50ng/kg/min), or placebo, for 10min every 2hr in the first 48hr after surgery. PHC were experienced by two patients who received placebo and one patient treated with high-dose iloprost. The combined clinical endpoint was reached by six patients administered low-dose iloprost (P=0.005) and four administered high-dose iloprost (P=0.077), compared with none in the placebo group. Patients treated with iloprost showed a significant reduction from baseline in mean pulmonary vascular resistance index (-2.2 Wood units, P<0.05), whereas patients who received placebo showed no significant change. This study supports the use of iloprost to treat children with PH following surgery to correct CHD. Pediatr Pulmonol. 2015; 50:588-595. (c) 2014 Wiley Periodicals, Inc.
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