Radiofrequency ablation of an accessory pathway in a surgically created atrioventricular Fontan anastomosis: Case report and review of previous published cases

Leonardo Liberman, Robert H. Pass, Majid I. Alfayyadh, Allan J. Hordof

Research output: Contribution to journalArticle

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Abstract

Supraventricular tachyarrhythmias following the Fontan procedure can be life-threatening. Though most are commonly due to intraatrial reentry, orthodromic reentrant tachycardia may also be present. Atrioventricular accessory pathways may develop across suture lines following right atrial to right ventricular anastomosis in patients with tricuspid atresia. We report a case of a patient who underwent this type of Fontan who developed orthodromic reentrant tachycardia and heart failure. An electrophysiological study revealed the presence of an atrioventricular accessory pathway traversing the Fontan anastomosis suture line. Successful radiofrequency ablation of the accessory pathway led to control of the tachyarrhythmia and improvement of heart failure.

Original languageEnglish (US)
Pages (from-to)914-916
Number of pages3
JournalPACE - Pacing and Clinical Electrophysiology
Volume23
Issue number5
DOIs
Publication statusPublished - Jan 1 2000

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ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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