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Fluoroless catheter ablation of various right and left sided supra-ventricular tachycardias in children and adolescents

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Electrophysiology study (EPS) and catheter ablation (CA) in children and adolescents carries a potentially harmful effect of radiation exposure when performed with the use of fluoroscopy. Our aim was to evaluate the feasibility, safety and effectiveness of fluoroless EPS and CA of various supra-ventricular tachycardias (SVTs) with the use of the 3D mapping system and intracardiac echocardiography (ICE). Forty-three consecutive children and adolescents (age 13 ± 3 years) underwent fluoroless EPS and CA for various supra-ventricular tachycardias. A three-dimensional (3D) mapping system NavX™ was used for guidance of diagnostic and ablation catheters in the heart. ICE was used as a fundamental imaging tool for transseptal punctures. Acute procedural success rate was 100 %. There were no procedure related complications and short-term follow up (10 ± 3 months) revealed 93 % arrhythmia free survival rate. Fluoroless CA of various SVTs in the paediatric population is feasible, safe and can be performed successfully with 3D mapping system and ICE.

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Correspondence to Matevž Jan.

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Authors report no conflict of interest.

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All procedures performed in this study were in accordance with the ethical standards of the institutional and the national medical ethics committee and with the 1964 Helsinki declaration and its later amendments.

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All patients or their parents gave written informed consent before entering the study.

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Jan, M., Žižek, D., Rupar, K. et al. Fluoroless catheter ablation of various right and left sided supra-ventricular tachycardias in children and adolescents. Int J Cardiovasc Imaging 32, 1609–1616 (2016).

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