[Radiofrequency ablation of periatriotomy atrial flutter after interatrial defect surgical repair].

We report a successful ablation of reentrant atrial tachycardia complicating atrial septal defect repair. This tachyarrhythmia was poorly tolerated hemodynamically and difficult to control with antiarrhythmic drug therapy and atrial pacing. Ablation therapy has focused on extending a line of block from the surgical incision to the inferior veno cava. Immediate success was achieved and the patient is free of arrhythmia after 4 months of Follow-up.