Effect of prostaglandin E1 (PGE1) inhalation on pulmonary hypertension following corrective surgery of congenital heart disease

C.-Y. Zhang, Zeng-Shan Ma, Longle Ma, Lexin Wang

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2 Citations (Scopus)
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Abstract

BACKGROUND: Intravenous infusion of prostaglandin E1 (PGE1) has been used to treat pulmonary arterial hypertension (PAH); however, the efficacy and safety of inhaled PGE1 is unclear. Objectives: To investigate the effect of inhaled PGE1 on PAH following corrective surgery for congenital heart disease. METHODS: Sixty patients with postoperative residual PAH following corrective surgery for congenital heart disease were randomly assigned to a control group, a PGE1 infusion group (intravenous PGE1 infusion; 30 ng/kg/min daily for 10 days) or a PGE1 inhalation group (100 'g nebulized PGE1 every 8 h for 10 days). Systolic blood pressure, mean pulmonary arterial pressure, arterial oxygen pressure, oxygen saturation and serum endothelin-1 level were measured before and after the treatment. RESULTS: At the end of the study, the mean pulmonary arterial pressure in the two PGE1 groups were lower than in the control group (P<0.01), whereas the mean arterial oxygen pressure was higher (P<0.01). Compared with the PGE1 infusion group, the mean pulmonary arterial pressure in the PGE1 inhalation group was lower (P<0.01) whereas the arterial oxygen pressure was higher (P<0.01). The mean endothelin-1 levels in the two PGE1 groups were lower than in the control group (P<0.01), but there was no statistically significant difference in endothelin-1 levels between the PGE1 inhalation and infusion groups (P>0.05). CONCLUSIONS: In pediatric patients with PAH, PGE1 inhalation was associated with a reduction in pulmonary arterial pressure and improvement in arterial blood oxygen levels.
Original languageEnglish
Pages (from-to)e13-e14
Number of pages2
JournalExperimental and Clinical Cardiology
Volume18
Issue number1
Publication statusPublished - Mar 2013

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