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Iatrogenic atrioventricular bypass tract following a Fontan operation for tricuspid atresia
  1. Servicio de Cardiología Pediátrica,
  2. Hospital Infantil La Paz,
  3. Servicio de Cardiología Pediátrica,
  4. Pº Castellana, 261,
  5. 28046 Madrid, Spain

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Sir,—Rosenthal et alrecently documented the presence of an atrioventricular bypass tract after a modified Fontan operation in which the right atrial appendage was anastomosed to the right ventricular outflow tract.1Their patient developed persistent supraventricular tachycardia resulting from atrioventricular re-entry within the surgical right anastomosis, which was abolished by radiofrequency ablation. They also mentioned a previous report of ablation after the Fontan operation.2 Based on the evidence of these …

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