Journal
CHILDREN-BASEL
Volume 10, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/children10091513
Keywords
zero-fluoroscopy; catheter ablation; supraventricular tachycardia; children
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The feasibility, effectiveness, and safety of zero-fluoroscopy radiofrequency and cryoablation for different types of supraventricular tachycardias in pediatric patients were retrospectively analyzed. The results showed that this approach achieved excellent treatment outcomes while eliminating the harmful effects of radiation.
Catheter ablation (CA) of supraventricular tachycardias (SVTs) is conventionally performed with the aid of X-ray fluoroscopy. Usage of a three-dimensional (3D) electro-anatomical mapping (EAM) system and intracardiac echocardiography (ICE) enables zero-fluoroscopy ablation, eliminating the harmful effects of radiation. We retrospectively analyzed the feasibility, effectiveness and safety of zero-fluoroscopy radiofrequency and cryoablation of various types of SVTs in pediatric patients. Overall, in 171 consecutive patients (12.5 & PLUSMN; 3.9 years), 175 SVTs were diagnosed and 201 procedures were performed. The procedural success rate was 98% (193/197), or more precisely, 100% (86/86) for AVNRT, 95.8% (91/95) for AVRT, 94.1% (16/17) for AT and 100% (2/2) for AFL. No complications were recorded. Follow-up was complete in 100% (171/171) of patients. During the mean follow-up period of 488.4 & PLUSMN; 409.5 days, 98.2% of patients were arrhythmia-free with long-term success rates of 98.7% (78/79), 97.5% (78/80), 100% (13/13) and 100% (2/2) for AVNRT, AVRT, AT and AFL, respectively. Zero-fluoroscopy CA of various types of SVTs in the pediatric population is a feasible, effective and safe treatment option.
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