,Following the device occlusion of Fontan fenestration, the Fontan and mean pressure increased to 15 mmHg with a 3 mmHg, a mean gradient in the distal left pulmonary artery and no gradient into the right pulmonary artery. 
,Following the device occlusion of Fontan fenestration , the Fontan and mean pressure increased to 15 mmHg with a 3 mmHg , a mean gradient in the distal left pulmonary artery and no gradient into the right pulmonary artery .