Document Detail

Radiofrequency catheter ablation for the treatment of supraventricular tachycardias in children and adolescents.
MedLine Citation:
PMID:  10950335     Owner:  NLM     Status:  MEDLINE    
We report our experience in radiofrequency catheter ablation between April, 1992 and December, 1998, in which we treated 287 patients less than 18 years of age (mean 14.3 +/- 3.1 years) with supraventricular tachycardia. Accessory, pathways were the arrhythmic substrate in 252 of the patients (87.8%), the patients having a total of 265 accessory pathways. Atrioventricular nodal re-entry was the cause of tachycardia in 26 patients (9.0%), while atrial flutter was detected in the remaining 9 patients (3.1%). We were able successfully to eliminate the accessory pathway in 236 patients (89%), but 25 patients had recurrent arrhythmias. Ablation proved successful in all cases of atrioventricular node re-entry tachycardia, the slow pathway being ablated in 25 patients, and the fast pathway in only one case. Recurrence of the arrhythmia occurred in three patients (11.5%). We performed a second ablation in these children, all then proving successful. The ablation was successful in all cases of atrial flutter, with one recurrence (11.1%). Overall, therefore, ablation was immediately successful in 271 patients (94.4%), with a recurrence of the arrhythmia in 29 cases (10.7%). The incidence of serious complications was 2.09%. There was one late death due to infective endocarditis, 3 patients suffered complete heart block, 1 had mild mitral regurgitation, and 1 patient developed an haematoma in the groin. We conclude that radiofrequency catheter ablation can now be considered a standard option for the management of paroxysmal supraventricular tachycardias in children and young adults.
P Iturralde; L Colin; S Kershenovich; M E Guevara; A Medeiros; A Buendia; F Attie
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Cardiology in the young     Volume:  10     ISSN:  1047-9511     ISO Abbreviation:  Cardiol Young     Publication Date:  2000 Oct 
Date Detail:
Created Date:  2000-11-29     Completed Date:  2000-12-22     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9200019     Medline TA:  Cardiol Young     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  376-83     Citation Subset:  IM    
Department of Electrophysiology, Instituto Nacional de Cardiologia Ignacio Chavez, México DF, Mexico.
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MeSH Terms
Age Distribution
Atrial Flutter / etiology
Catheter Ablation / adverse effects,  methods*
Child, Preschool
Electrocardiography, Ambulatory
Follow-Up Studies
Tachycardia, Supraventricular / diagnosis,  etiology,  therapy*
Treatment Outcome
Ventricular Fibrillation / etiology
Wolff-Parkinson-White Syndrome / etiology
Comment In:
Cardiol Young. 2000 Oct;10(4):303-6   [PMID:  10950327 ]

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