Localization of the origin of the atrioventricular junctional rhythm induced during selective ablation of slow-pathway conduction in patients with atrioventricular node reentrant tachycardia

American Heart Journal
J C YuR J Sung

Abstract

During radiofrequency catheter ablation of slow atrioventricular node pathway conduction in patients with atrioventricular node reentrant tachycardia, an atrioventricular junction rhythm is frequently observed. The origin and relation to ablation success of this junctional rhythm was examined in this study. By using standard intracardiac electrophysiology techniques, we studied the radiofrequency energy-induced atrioventricular junctional rhythm in 43 consecutive patients with atrioventricular node reentrant tachycardia undergoing selective ablation of slow-pathway conduction. The frequency of atrioventricular junctional activity was correlated with successful and unsuccessful attempts at ablation of slow-pathway conduction. Also, we compared the sequence of retrograde atrial activation of radiofrequency energy-induced atrioventricular junctional beats in a subgroup of 22 patients with the retrograde activation sequence observed during pacing from the right ventricular apex and the site of successful ablation of slow-pathway conduction. A total of 201 radiofrequency-energy applications was delivered in 43 patients with > or = 5 atrioventricular junctional beat(s) induced during 110 (55%) of 201 ablation attempts. Atrioventricul...Continue Reading

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Citations

Jun 8, 2011·Circulation. Arrhythmia and Electrophysiology·Vadim V FedorovIgor R Efimov
May 1, 1997·Pacing and Clinical Electrophysiology : PACE·B XieJ H Ip
Jan 8, 2016·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Kenichi SasakiKen Okumura
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Oct 6, 2007·Journal of Cardiovascular Electrophysiology·Nahum A Freedberg
Sep 22, 2007·Journal of Electrocardiology·Mohammad Hossein NikooMohammad Ali Sadr-Ameli
Jun 11, 2008·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·Akira FujikiHiroshi Inoue
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Jul 13, 2006·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·Z IakobishviliB Strasberg
Nov 13, 2020·Pacing and Clinical Electrophysiology : PACE·Masanori YamamotoKensuke Matsumoto
Apr 16, 2021·Journal of Cardiovascular Electrophysiology·Hariharan SugumarPeter M Kistler
Oct 9, 2021·Pacing and Clinical Electrophysiology : PACE·Alireza MalekrahBahamin Amirabadi

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