Is Milrinone Effective for Infants with Mild-to-Moderate Congenital Diaphragmatic Hernia?

Pulmonary hypertension with left ventricular dysfunction commonly occurs in congenital diaphragmatic hernia (CDH). Milrinone, a phosphodiesterase-III inhibitor with lusitropic and vasodilator effects, is used in up to 30% of CDH infants across the United States. No randomized trials have tested the efficacy or safety of milrinone in CDH neonates. We performed a paired retrospective analysis of CDH infants to assess the efficacy of milrinone treatment ( The median age of milrinone initiation was 18 hours (interquartile range [IQR]: 9-38) and the median duration was 127 hours (IQR: 95-194). PAP did not change from the baseline of 49 ± 11 mm Hg (milrinone) and 53 ± 11 mm Hg (no milrinone; In OI-matched untreated neonates with mild-to-moderate CDH, milrinone use was associated with neither improved OI, PAP, or left ventricular measurements, nor adverse events. Study limitations warrant prospective randomized controlled trials.

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None declared.