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Point catheter ablation of macro-re-entrant ventricular tachycardia in a patient after surgical repair for double-outlet right ventricle

Published online by Cambridge University Press:  12 January 2017

Gaku Izumi*
Affiliation:
Department of Pediatrics, Hokkaido University Graduate School of Medicine, North-15 West-7, Sapporo, 060-8638 Japan
Hisashi Yokoshiki
Affiliation:
Departments of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, North-15 West-7, Sapporo, 060-8638 Japan
Atsuhito Takeda
Affiliation:
Department of Pediatrics, Hokkaido University Graduate School of Medicine, North-15 West-7, Sapporo, 060-8638 Japan
*
Correspondence to: G. Izumi, MD, PhD, Department of Pediatrics, Hokkaido University Graduate School of Medicine, North-15 West-7, Sapporo, 060-8638, Japan. Tel: +81 11 706 5954; Fax: +81 11 706 7982; E-mail: gaku-izumi0920@med.hokudai.ac.jp

Abstract

Catheter ablation of ventricular tachycardia is often difficult in patients after surgery for CHD. In patients with a ventricular septal defect patch, it is necessary to decide which ventricular side is appropriate for catheter ablation. In this article, we report a case of successful point catheter ablation of re-entrant ventricular tachycardia. Identification of the ventricular septal defect patch using intra-cardiac echocardiography was useful.

Type
Brief Report
Copyright
© Cambridge University Press 2017 

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References

1. Zeppenfield, K, Schalij, MJ, Bartelings, MM, et al. Catheter ablation of ventricular tachycardia after repair of congenital heart disease: electroanatomic identification of the critical right ventricular isthmus. Circulation 2007; 116: 22412252.CrossRefGoogle Scholar
2. Van Zyl, M, Kapa, S, Padmanabhan, D, et al. Mechanism and outcomes of catheter ablation for ventricular tachycardia in adults with repaired congenital heart disease. Heart Rhythm 2016; 13: 14491454.CrossRefGoogle ScholarPubMed
3. Kapel, GF, Reichlin, T, Wijnmaalen, AP, et al. Left-sided ablation of ventricular tachycardia in adults with repaired Tetralogy of Fallot. Circ Arrhythm Electrophysiol 2014; 7: 889897.CrossRefGoogle ScholarPubMed
4. Kapel, GF, Sacher, F, Dekkers, OM, et al. Arrhythmogenic anatomical isthmuses identified by electroanatomical mapping are the substrate for ventricular tachycardia in repaired tetralogy of Fallot. Eur Heart J, 2016 May 26. Pii:ehw202. [Epub ahead of print].Google Scholar
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Point catheter ablation of macro-re-entrant ventricular tachycardia in a patient after surgical repair for double-outlet right ventricle
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