“…In Japan, although transcatheter coil occlusion of pmVSD was reported in 2008 [3], this procedure is no longer used because of the complexity of the procedure and unavailability of 0.052 inch coil. There are some reports that reported safety and effectiveness of device closure of pmVSD with first generation Amplatzer1 duct occluder (ADO-I) [4][5][6]. However, its safety and outcome have not been fully investigated.…”