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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
Journal of the American College of Cardiology, 03/2008, Letnik: 51, Številka: 10Journal Article
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.
