Occlusion of persistent levoatrial cardinal vein without left heart hypoplasia utilizing an Amplatzer device.

An 18-year-old male was referred with a complaint of progressive exercise intolerance and systolic murmur. Echocardiography showed an atrio-ventricular septal defect with no atrial or ventricular component. There was no left atrio-ventricular valve stenosis, but mild regurgitation was present. Pulmonary venous drainage was normal but the modified parasternal short-axis view ( Panel A ; see Supplementary data online, Video S1 ) revealed …