Valved conduit from the left ventricular apex to ascending aorta for recurrent congenital subaortic stenosis: 25 years later

Twenty five years ago, at the age of 9 years, the patient had a membranous subaortic obstruction resected, which recurred three years later, involving all quadrants of the left ventricular outflow tract. As a second transaortic resection was unlikely to be successful, a Hancock porcine valved pulmonary …