Radiofrequency catheter ablation of supraventricular tachycardia in infants and toddlers

Shuenn Nan Chiu, Chun Wei Lu, Chi Wei Chang, Chien Chih Chang, Ming Tai Lin, Jiunn Lee Lin, Chun An Chen, Jou Kou Wang, Mei Hwan Wu

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Background: The role of radiofrequency catheter ablation (RFCA) of supraventricular tachycardia (SVT) in infants and toddlers is still unclear. Methods and Results: From 1993 to 2006, 27 (17 males, 10 females) of 210 patients underwent RFCA at an age less than 6 years. Indications included drug-refractory SVT or tachycardia-induced cardiomyopathy. The medical records were reviewed and the patients were interviewed regarding their current status. The 27 patients underwent RFCA at a median age of 4.4 years (8 months to 5.9 years) and a median body weight of 15 kg (6.6-30 kg). The SVT was mainly atrioventricular reentry tachycardia (15/27) and multiple mechanisms in 3. One-third of them had associated congenital heart disease, and 5 underwent RFCA using only 2-3 catheters. Immediate success rate was 92.6%, with low early (3.7%) and late recurrence (7.4%) after 5.4±3.7 years follow-up. Tachycardia-induced cardiomyopathy was noted in 4 and resolved in all after RFCA. Procedure-related complications included complete atrioventricular block in 1 and Bezold-Jarisch reflex in another. No other risk factors for outcomes were noted, even with low body weight. Conclusions: The outcome of RFCA for medically refractory SVT, even associated with tachycardia-induced cardiomyopathy, in infants and toddlers is favorable.

Original languageEnglish
Pages (from-to)1717-1721
Number of pages5
JournalCirculation Journal
Volume73
Issue number9
DOIs
Publication statusPublished - Sep 1 2009
Externally publishedYes

Fingerprint

Supraventricular Tachycardia
Catheter Ablation
Tachycardia
Cardiomyopathies
Body Weight
Atrioventricular Block
Medical Records
Reflex
Heart Diseases
Catheters
Recurrence
Pharmaceutical Preparations

Keywords

  • Bezold-Jarisch reflex
  • Cardiomyopathy
  • Catheter ablation
  • Children
  • Supraventricular tachycardia

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Chiu, S. N., Lu, C. W., Chang, C. W., Chang, C. C., Lin, M. T., Lin, J. L., ... Wu, M. H. (2009). Radiofrequency catheter ablation of supraventricular tachycardia in infants and toddlers. Circulation Journal, 73(9), 1717-1721. https://doi.org/10.1253/circj.CJ-09-0123

Radiofrequency catheter ablation of supraventricular tachycardia in infants and toddlers. / Chiu, Shuenn Nan; Lu, Chun Wei; Chang, Chi Wei; Chang, Chien Chih; Lin, Ming Tai; Lin, Jiunn Lee; Chen, Chun An; Wang, Jou Kou; Wu, Mei Hwan.

In: Circulation Journal, Vol. 73, No. 9, 01.09.2009, p. 1717-1721.

Research output: Contribution to journalArticle

Chiu, SN, Lu, CW, Chang, CW, Chang, CC, Lin, MT, Lin, JL, Chen, CA, Wang, JK & Wu, MH 2009, 'Radiofrequency catheter ablation of supraventricular tachycardia in infants and toddlers', Circulation Journal, vol. 73, no. 9, pp. 1717-1721. https://doi.org/10.1253/circj.CJ-09-0123
Chiu, Shuenn Nan ; Lu, Chun Wei ; Chang, Chi Wei ; Chang, Chien Chih ; Lin, Ming Tai ; Lin, Jiunn Lee ; Chen, Chun An ; Wang, Jou Kou ; Wu, Mei Hwan. / Radiofrequency catheter ablation of supraventricular tachycardia in infants and toddlers. In: Circulation Journal. 2009 ; Vol. 73, No. 9. pp. 1717-1721.
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AU - Lin, Ming Tai

AU - Lin, Jiunn Lee

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AB - Background: The role of radiofrequency catheter ablation (RFCA) of supraventricular tachycardia (SVT) in infants and toddlers is still unclear. Methods and Results: From 1993 to 2006, 27 (17 males, 10 females) of 210 patients underwent RFCA at an age less than 6 years. Indications included drug-refractory SVT or tachycardia-induced cardiomyopathy. The medical records were reviewed and the patients were interviewed regarding their current status. The 27 patients underwent RFCA at a median age of 4.4 years (8 months to 5.9 years) and a median body weight of 15 kg (6.6-30 kg). The SVT was mainly atrioventricular reentry tachycardia (15/27) and multiple mechanisms in 3. One-third of them had associated congenital heart disease, and 5 underwent RFCA using only 2-3 catheters. Immediate success rate was 92.6%, with low early (3.7%) and late recurrence (7.4%) after 5.4±3.7 years follow-up. Tachycardia-induced cardiomyopathy was noted in 4 and resolved in all after RFCA. Procedure-related complications included complete atrioventricular block in 1 and Bezold-Jarisch reflex in another. No other risk factors for outcomes were noted, even with low body weight. Conclusions: The outcome of RFCA for medically refractory SVT, even associated with tachycardia-induced cardiomyopathy, in infants and toddlers is favorable.

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