Catheter ablation of ventricular tachycardia in arrhythmogenic right ventricular dysplasia after failure of endocardial catheter ablation
Published 2012-11-30
Keywords
- ARRHYTHMOGENIC DYSPLASIA OF THE RIGHT VENTRICLE,
- VENTRICULAR TACHYCARDIA,
- ELECTROPHYSIOLOGICAL STUDY,
- ELECTROANATOMIC MAPPING,
- EPICARDIAL CATHETER ABLATION
How to Cite
Copyright (c) 2012 Kamiev R. T., Romanov A. B., Yelesin D. A., Shabanov V. V., Stenin I. G., Strelnikov A. G., Artemenko S. N., Pokushalov Ye. A.

This work is licensed under a Creative Commons Attribution 4.0 International License.
Abstract
In order to evaluate the results of epicardial radiofrequency catheter ablation of ventricular tachycardia in children with arrhythmogenic right ventricular dysplasia after ineffective endocardial radiofrequency catheter ablation, 17 pediatric patients were examined. Electrophysiological examination and radiofrequency catheter ablation procedure were carried out according to standard technique. Epicardial access was carried out according to the method described by E. Sosa and co-authors. During the follow-up period of 26.2±2.5 months, no episodes of ventricular tachycardia were observed in 12 (70.6%) patients. All patients with successful radiofrequency catheter ablation did not take any antiarrhythmic drugs. There were no fatal outcomes during the observation. Recurrence of ventricular tachycardia was registered in 29.4% of patients, which required repeated radiofrequency catheter ablation, correction of antiarrhythmic therapy or implantation of a cardioverter defibrillator. Thus, transpericardial radiofrequency catheter ablation is an effective alternative method for the treatment of ventricular tachycardia in children with arrhythmogenic dysplasia of the right ventricle in the case of the location of the arrhythmogenic substrate epicardially.
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