Idiopathic sustained left ventricular tachycardia in pediatric patients

Citation
K. Yasui et al., Idiopathic sustained left ventricular tachycardia in pediatric patients, PEDIATR INT, 43(1), 2001, pp. 42-47
Citations number
20
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Pediatrics
Journal title
PEDIATRICS INTERNATIONAL
ISSN journal
1328-8067 → ACNP
Volume
43
Issue
1
Year of publication
2001
Pages
42 - 47
Database
ISI
SICI code
1328-8067(200102)43:1<42:ISLVTI>2.0.ZU;2-3
Abstract
Background: Idiopathic sustained ventricular tachycardia originating from t he left ventricle (ILVT) has been an indication for catheter ablation. The present study evaluated the clinical features, long-term prognosis and indi cations for treatment in pediatric patients with ILVT. Methods: The subjects of the present study were eight patients (four males and four females) with a mean age at onset of 11.0 years (range 3-15 years) . The mean follow-up period was 7.7 years (range 2.1-11.3 years). Results: In electrophysiologic studies, intravenously administered verapami l was effective for the termination of tachycardia in all six patients who received this treatment and for the prevention of tachycardia in four of fi ve patients. Oral administration of verapamil was effective in five of seve n patients. Propranolol or flecainide was added to the treatment protocol f or two patients who did not respond to verapamil alone. Tachycardia disappe ared without drugs in four patients during the follow-up period and became non-sustained in another patient. Two of three patients with persistent tac hycardia underwent catheter ablation. Pharmacologic treatment was very effe ctive for ILVT among these patients. Conclusions: Pharmacologic therapy, such as with verapamil, is still the tr eatment of choice for ILVT because of a good long-term prognosis and potent ial risks and complications by manipulation of catheter ablation.