Echocardiographic Predictors of Hospital Outcomes in Preterm Neonates with Patent Ductus Arteriosus and Clinical Suspicion of Pulmonary Hypertension.

Larger patent ductus arteriosus size, bidirectional or right to left flow at the patent foramen ovale, and lower right atrial volume are independently associated with in-hospital mortality. These findings on the initial echocardiogram of a preterm neonate can be used to risk stratify these patients for elevated risk for in-hospital extracorporeal membrane oxygenation utilization or mortality.