Category Surgery

Vascular Ring and Sling

Section I Vascular Ring Definition Vascular ring is a congenital anomaly in which the aortic arch and its branches completely or incompletely encircle and compress the trachea or esophagus or both. Historical Note Double aortic arch was apparently first described…

Aortopulmonary Window

Definition Aortopulmonary window (APW) is a round, oval, or sometimes spiral opening between the ascending aorta and pulmonary trunk, occurring as a congenital anomaly in hearts with separate aortic and pulmonary valves. This malformation has also been termed aortic septal…