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Right to left shunt following radiofrequency catheter ablation of atrial fibrillation in a patient with complex congenital heart disease.

Research paper by James W JW McCready, James C JC Moon, Anthony W AW Chow

Indexed on: 19 Nov '09Published on: 19 Nov '09Published in: Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology



Abstract

We report a case of an iatrogenic atrial septal defect following left atrial ablation for persistent atrial fibrillation in a patient with a Fontan circulation. Transseptal puncture was performed with two sheaths across a single puncture and left atrial ablation undertaken. Post procedure the patient became cyanosed with right to left shunting. Transcatheter closure immediately improved symptoms and oxygen saturation.