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Korean J Pediatr 2011 December;54(12) :507-511.
Wolff-Parkinson-White syndrome in young people, from childhood to young adulthood: relationships between age and clinical and electrophysiological findings
Hae Jung Jung (Jung HJ)1, Hwang Young Ju (Ju HY)1, Myung Chul Hyun (Hyun MC)1, Sang Bum Lee (Lee SB)1, Yeo Hyang Kim (Kim YH)2
1Department of Pediatrics, Kyungpook National University School of Medicine, Daegu, Korea
2Department of Pediatrics, Keimyung University School of Medicine, Daegu, Korea
Corresponding Author: Yeo Hyang Kim ,Tel: +82-53-250-7524, Fax: +82-53-250-7783, Email:
Copyright © 2011 by The Korean Pediatric Society
Purpose : The aim of the present study was to evaluate the characteristics of electrophysiologic studies (EPS) and radiofrequency ablation (RFA) performed in subjects aged less than 30 years with Wolff-Parkinson-White (WPW) syndrome, particularly pediatric patients under 18 years of age, based on our experience. Methods : Two hundred and one consecutive patients with WPW syndrome were recruited and divided to 3 groups according to age: group 1, 6 to 17 years; group 2, 18 to 29 years; and group 3, 30 to 60 years. The clinical, electrophysiological, and therapeutic data for these patients were evaluated by a retrospective medical record review. Results : A total of 73 (36%) of these patients were <30 years of age. Although there were more males than females in group 2 (male:female, 31:11), there was no sex difference in group 1 (male:female, 16:15). Left accessory pathway was detected less frequently in group 1 (32%, 10/31) than in group 2 (57%, 24/42) and group 3 (63%, 81/128) (P=0.023 and P=0.002, respectively). Conclusion : The present study describes several different electrophysiological characteristics in children and adolescents with WPW syndrome. Therefore, when EPS and RFA are performed in children and adolescence with WPW syndrome, we recommend that these characteristics be considered.
Keywords: Wolff-Parkinson-White syndrome | Accessory conducting pathway | Electrophysiology | Radiofrequency catheter ablation
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