Radiofrequency ablation of ventricular premature contraction originating from a native coronary cusp after transcatheter aortic valve replacement Shota.

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Presentation transcript:

Radiofrequency ablation of ventricular premature contraction originating from a native coronary cusp after transcatheter aortic valve replacement Shota Tohoku, Kenichi Hiroshima, Shoichi Kuramitsu, Michio Nagashima, Masato Fukunaga, Yoshimori An, Kenji Ando Journal of Arrhythmia DOI: 10.1016/j.joa.2017.08.006 Copyright © 2017 Japanese Heart Rhythm Society Terms and Conditions

Fig. 1 (A) The 12-lead electrocardiogram showing ventricular premature contraction (VPC). (B) Intracardiac electrogram from the ablation catheter and (C) pace map at the successful ablation site. Journal of Arrhythmia DOI: (10.1016/j.joa.2017.08.006) Copyright © 2017 Japanese Heart Rhythm Society Terms and Conditions

Fig. 2 (A) Activation map and. (B) three-dimensional map of the left ventricular outflow tract with CARTO merge. The yellow and blue points show the earliest activation site and the successful ablation site respectively. (C) Computer tomographic image at the native annulus level after transcatheter aortic valve replacement. (D) Intracardiac echocardiogram showing the ablation catheter positioned on the native annulus from outside the transcatheter heart valve. The white arrows show the ablation catheter. (E) The schema of (D). (F) Fluoroscopic image of the ablation catheter at the focus of VPC in a perpendicular view (LAO 25°). Journal of Arrhythmia DOI: (10.1016/j.joa.2017.08.006) Copyright © 2017 Japanese Heart Rhythm Society Terms and Conditions