Cited by 132Cardiac Arrhythmias and TreatmentsCardiac electrophysiology and arrhythmiasCongenital Heart Disease Studies

Ectopic automatic atrial tachycardia in children: clinical characteristics, management and follow-up

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Mehta, Ashok V., Sanchez, Guillermo R., Sacks, Edmond J., Casta, Alfonso, Dunn, Jeffrey M., Donner, Richard M.·1988·Journal of the American College of Cardiology

Abstract

Ectopic automatic atrial tachycardia, an uncommon type of supraventricular tachycardia in children and adults, has been reported to be resistant to medical therapy, and surgical or cryoblation has been recommended. This report describes 10 infants and children (median age 6 months; range birth to 7.5 years) with automatic atrial tachycardia and their management and follow-up. Digoxin alone was unsuccessful in controlling tachycardia in all 10 patients but decreased the tachycardia rate by 5 to 20% in 8. Intravenous (0.1 mg/kg body weight per dose) and oral propranolol successfully suppressed tachycardia in three of five patients and oral propranolol successfully controlled tachycardia in two of five other patients. Class I antiarrhythmic agents--quinidine (three patients), procainamide (four patients) and phenytoin (three patients)--did not control tachycardia in any patients but made the tachycardia rate worse in three patients. Intravenous (5 mg/kg per dose) and oral amiodarone suppressed tachycardia in three of four patients and oral amiodarone suppressed it in another patient. Thus, intravenous propranolol and amiodarone were effective in acutely suppressing automatic ectopic atrial tachycardia and predicted the response to long-term oral therapy. One patient had persistent tachycardia after surgical ablation of the high right atrial ectopic focus, and another patient had unsuccessful catheter ablation of the high right atrial ectopic focus (25 J). During follow-up (10 to 28 months), ectopic atrial tachycardia resolved completely in four patients and was well controlled in four patients.

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Authors
Mehta, A. V., Sanchez, G. R., Sacks, E. J., Casta, A., Dunn, J. M., & Donner, R. M.
Affiliations
  • St. Christopher's Hospital for Children (US)
  • Thomas Jefferson University (US)
Corresponding author
Mehta, Ashok V.
Venue
Journal of the American College of Cardiology
Publisher
Elsevier BV
Published
1988-02
Volume
11
Issue
2
Pages
379-385
ISSN
0735-1097 (ISSN-L)
OpenAlex
W2031066763
Cited by
132
References
21
Citations by year
2025: 3 · 2024: 2 · 2023: 3 · 2022: 4 · 2021: 3 · 2020: 1 · 2019: 4 · 2018: 2 · 2017: 4 · 2016: 3 · 2015: 8 · 2014: 4 · 2013: 4 · 2012: 3
FWCI
3.21
Type
journal article
Language
en
Open access
Locations
  • Journal of the American College of Cardiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
  • Health Sciences › Medicine › Epidemiology › Congenital Heart Disease Studies
Keywords
supraventricular tachycardia, children, infants, propranolol, amiodarone, digoxin, antiarrhythmic drugs, catheter ablation, surgical ablation
MeSH terms
Administration, Oral, Amiodarone, Child, Child, Preschool, Electrocardiography, Electrophysiology, Female, Follow-Up Studies, Humans, Infant, Infusions, Intravenous, Male, Monitoring, Physiologic, Procainamide, Tachycardia, Ectopic Atrial, Tachycardia, Supraventricular

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