Transposition with Hypertrophic Cardiomyopathy and Persistent Pulmonary Hypertension of the Newborn.

The contemporaneous presentation of transposition of the great arteries and hypertrophic cardiomyopathy is rare and complicates optimal surgical timing. We present a newborn with transposition and severe hypertrophic cardiomyopathy with a postnatal course complicated by persistent pulmonary hypertension who was supported with extracorporeal membrane oxygenation until successful arterial switch operation on the day of life 8.