Mortality and Major Neonatal Morbidity in Preterm Infants with Serious Congenital Heart Disease

To investigate the trends of 1-year mortality and neonatal morbidities in preterm infants with serious congenital heart disease (CHD).This cohort study used a population-based administrative dataset of all liveborn infants of 26-36 weeks gestational age with serious CHD born in California between 2011 and 2017. We assessed 1-year mortality and major neonatal morbidities (ie, retinopathy of prematurity, bronchopulmonary dysplasia, necrotizing...