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Catheter ablation of idiopathic ventricular tachycardia in children using the EnSite NavX system with/without fluoroscopy.
MedLine Citation:
PMID:  24018141     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVES: Curative therapy of idiopathic ventricular tachycardia remains a challenge in interventional electrophysiology. The aim of this study was to demonstrate the utility of an EnSite NavX system in the catheter ablation of idiopathic ventricular tachycardia in children. Patients and methods In all, 17 children with idiopathic ventricular tachycardia underwent electrophysiological studies using the EnSite NavX system guidance.
RESULTS: The mean patient age was 13 ± 2.4 years (range: 7.8-17.9) and the mean patient weight was 52.3 ± 11.9 kg (range: 32-75). The origin of ventricular tachycardia was in the right ventricular outflow tract in nine patients, in the left ventricle in six, near the bundle of His/right bundle branch in one, and in the left aortic cusp in one. The mean procedure and fluoroscopy times were 169.3 ± 43.2 minutes and 8 ± 10.8 minutes, respectively. No fluoroscopy was used in six patients. The mean radiation exposure was 33.1 ± 56.4 mGy. Acute success was achieved in 14 patients (82%). The focus of ventricular tachycardia was epicardial in two failed procedures. During a mean follow-up of 8.5 ± 7.6 months, ventricular tachycardia recurred in three patients, two of whom underwent a second procedure. Except for one patient who developed transient right bundle branch block, no complications were seen.
CONCLUSION: Catheter ablation of idiopathic ventricular tachycardia in children can be performed safely and effectively with low fluoroscopy exposure using the EnSite NavX system.
Authors:
Isa Ozyilmaz; Yakup Ergul; Celal Akdeniz; Erkut Ozturk; Ibrahim C Tanidir; Volkan Tuzcu
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-9-10
Journal Detail:
Title:  Cardiology in the young     Volume:  -     ISSN:  1467-1107     ISO Abbreviation:  Cardiol Young     Publication Date:  2013 Sep 
Date Detail:
Created Date:  2013-9-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9200019     Medline TA:  Cardiol Young     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-7     Citation Subset:  -    
Affiliation:
Department of Pediatric Cardiology, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey.
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