Combined Endocardial and Epicardial Catheter Ablation in Arrhythmogenic Right Ventricular Dysplasia Incorporating Scar Dechanneling Technique

Combined Endocardial and Epicardial Catheter Ablation in Arrhythmogenic Right Ventricular Dysplasia Incorporating Scar Dechanneling Technique

BACKGROUND—Ventricular tachycardia (VT) ablation in patients with arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) has a low success rate. A more extensive epicardial (Epi) arrhythmogenic substrate could explain the low efficacy. We report the results of combined endocardial (Endo)...

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Veröffentlicht in:Circulation. Arrhythmia and electrophysiology 2012-02, Vol.5 (1), p.111-121
Hauptverfasser: Berruezo, Antonio, Fernández-Armenta, Juan, Mont, Lluís, Zeljko, Hrvojka, Andreu, David, Herczku, Csaba, Boussy, Tim, Tolosana, Jose María, Arbelo, Elena, Brugada, Josep
Format: Artikel
Sprache:eng
Schlagworte:
Adult
Aged
Arrhythmogenic Right Ventricular Dysplasia - physiopathology
Arrhythmogenic Right Ventricular Dysplasia - therapy
Biological and medical sciences
Cardiac dysrhythmias
Cardiology. Vascular system
Catheter Ablation - methods
Classical genetics, quantitative genetics, hybrids
Electrophysiologic Techniques, Cardiac - methods
Endocardium - surgery
Female
Follow-Up Studies
Fundamental and applied biological sciences. Psychology
Genetics of eukaryotes. Biological and molecular evolution
Heart
Human
Humans
Imaging, Three-Dimensional
Male
Medical sciences
Middle Aged
Pericardium - surgery
Prospective Studies
Recurrence
Time Factors
Treatment Outcome
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Zusammenfassung:BACKGROUND—Ventricular tachycardia (VT) ablation in patients with arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) has a low success rate. A more extensive epicardial (Epi) arrhythmogenic substrate could explain the low efficacy. We report the results of combined endocardial (Endo) and Epi VT ablation and conducting channel (CC) elimination. METHODS AND RESULTS—Eleven consecutive patients with ARVD/C were included in the study. A high-density 3D Endo (321±93 sites mapped) and Epi (302±158 sites mapped) electroanatomical voltage map was obtained during sinus rhythm to define scar areas (
ISSN:1941-3149
1941-3084
DOI:10.1161/CIRCEP.110.960740