Truncus arteriosus and unbalanced complete atrioventricular septal defect: pulmonary protection in the neonate.

Surgical success for the combination of truncus arteriosus with unbalanced atrioventricular septal defect is limited. A low incidence and a poor understanding of these lesions, along with a dismal outcome, have made comfort care a common option. We report our experience with initial successful palliation of this combined lesion in two patients.