Catheter ablation of atrial tachycardia after interatrial defect repair with patch apposition

A 54-year-old woman with his - tory of septal atrial mixoma surgically treated and drug-refractory supraventricular tach - yarrhythmia underwent catheter ablation of macro-reentry areas near the pericardial patch placedtorepairaninteratrialdefect. The use of ablative therapy has been suc - cessfultocurethisarrhythmia.