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Device Closure of a Postoperative Residual Atrial Septal Defect after Seven Years

Postoperative residual atrial septal defect (ASD) is well explained and is usually small and of no hemodynamic significance, but large residual atrial septal defects are to be closed. Here we report a case of postoperative residual ASD which was reported as a small residual ASD in the immediate postoperative period, later presented to us with hemodynamically significant large residual symptomatic ASD. The residual ASD was successfully closed with a Floret ASD occluder device.