Journal of perinatology : official journal of the California Perinatal Association
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Among neonates undergoing whole body cooling for hypoxic-ischemic encephalopathy (HIE), to compare ventricular function in the presence and absence of pulmonary hypertension (PPHN) needing inhaled nitric oxide (iNO)/ECMO. ⋯ Infants with HIE undergoing cooling who progressed to iNO/ECMO for PPHN had RV dysfunction on early ECHO; S/D had the best predictive performance. RV S/D may be a useful early marker of PPHN in HIE.