HISTORY: , The patient is a 19-year-old boy with a membranous pulmonary atresia, underwent initial repair 12/04/1987 consisting of pulmonary valvotomy and placement of 4 mm Gore-Tex shunt between the ascending aorta and pulmonary artery with a snare. 
HISTORY : , The patient is a 19 - year - old boy with a membranous pulmonary atresia , underwent initial repair 12/04/1987 consisting of pulmonary valvotomy and placement of 4 mm Gore - Tex shunt between the ascending aorta and pulmonary artery with a snare .