 Using percutaneous technique and a 5-French sheath, 5-French wedge catheter was inserted into the left internal jugular vein and advanced along the left superior vena cava across the left caval-pulmonary anastomosis into the main pulmonary artery and left pulmonary artery with aid of guidewire. 
Using percutaneous technique and a 5 - French sheath , 5 - French wedge catheter was inserted into the left internal jugular vein and advanced along the left superior vena cava across the left caval - pulmonary anastomosis into the main pulmonary artery and left pulmonary artery with aid of guidewire .