Characterization of Electrograms Associated With Termination of Chronic Atrial Fibrillation by Catheter Ablation

Characterization of Electrograms Associated With Termination of Chronic Atrial Fibrillation by Catheter Ablation Yoshihide Takahashi, Mark D. O’Neill, Mélèze Hocini, Rémi Dubois, Seiichiro Matsuo, Sébastien Knecht, Srijoy Mahapatra, Kang-Teng Lim, Pierre Jaïs, Anders Jonsson, Frédéric Sacher, Prasha...

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Published in:Journal of the American College of Cardiology 2008-03, Vol.51 (10), p.1003-1010
Main Authors: Takahashi, Yoshihide, MD, O’Neill, Mark D., MB, BCh, DPhil, Hocini, Mélèze, MD, Dubois, Rémi, PhD, Matsuo, Seiichiro, MD, Knecht, Sébastien, MD, Mahapatra, Srijoy, MD, Lim, Kang-Teng, MD, Jaïs, Pierre, MD, Jonsson, Anders, MD, Sacher, Frédéric, MD, Sanders, Prashanthan, MBBS, PhD, Rostock, Thomas, MD, Bordachar, Pierre, MD, Clémenty, Jacques, MD, Klein, George J., MD, Haïssaguerre, Michel, MD
Format: Article
Language:English
Subjects:
Anti-Arrhythmia Agents - therapeutic use
Atrial Fibrillation - drug therapy
Atrial Fibrillation - physiopathology
Atrial Fibrillation - surgery
Cardiac arrhythmia
Cardiology
Cardiomyopathy
Cardiovascular
Cardiovascular disease
Catheter Ablation
Catheters
Electrocardiography
Electrophysiologic Techniques, Cardiac
Female
Fractionation
Heart
Heart attacks
Heart Diseases - complications
Humans
Internal Medicine
Male
Middle Aged
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Summary:Characterization of Electrograms Associated With Termination of Chronic Atrial Fibrillation by Catheter Ablation Yoshihide Takahashi, Mark D. O’Neill, Mélèze Hocini, Rémi Dubois, Seiichiro Matsuo, Sébastien Knecht, Srijoy Mahapatra, Kang-Teng Lim, Pierre Jaïs, Anders Jonsson, Frédéric Sacher, Prashanthan Sanders, Thomas Rostock, Pierre Bordachar, Jacques Clémenty, George J. Klein, Michel Haïssaguerre In 40 patients with chronic atrial fibrillation (AF), electrogram-based ablation was performed in the left atrium and coronary sinus after pulmonary vein isolation and left atrium roof line ablation. Electrogram characteristics at atrial regions targeted during electrogram-based ablation were evaluated. A greater percentage of continuous electrical activity and the presence of a temporal gradient of activation were associated with slowing or termination of AF during ablation, whereas bipolar voltage, mean absolute value of dV/dt, fractionation index, or dominant frequencies of electrograms were not different at regions with or without impact of ablation.
ISSN:0735-1097
1558-3597
DOI:10.1016/j.jacc.2007.10.056