Effect of Transcatheter Closure of Atrial Septal Defect on Right Ventricle Size and Function and Tricuspid Regurgitation Between Variable Age Groups Assessed By 2D Transthoracic Echocardiography

Background: An ostium secundum defect (ASD) is the most common type of atrial septal defect. Percutaneous transcatheter closure only works for ostium secundum anomalies and is less risky for the patient.