Mitral Stenosis and Aortic Atresia in Hypoplastic Left Heart Syndrome: Survival Analysis After Stage I Palliation

Stage 1 palliation for hypoplastic left heart syndrome is associated with satisfactory hospital and midterm survival regardless of anatomic subtype. The variants MS-AA and MA-AA are associated with smaller ascending aorta. Mitral stenosis with aortic atresia or VCC did not adversely influence survival.