Interventional Electrophysiology in Children: A Single-Center Experience

Zahra Emkanjoo; Pasha Mosaed; Mohammad Dalili

IJ Pediatrics

The Scientific Journal of Growth & Development Research Center

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Interventional Electrophysiology in Children: A Single-Center Experience

Author(s):

Zahra Emkanjoo¹,

Pasha Mosaed²,

Mohammad Dalili^3,*

1Department of Electrophysiology and Pacemaker, Rajaie Cardiovascular Medical and Research Center, Tehran University of Medical Sciences, Tehran, Iran

2Department of Pediatrics, Zanjan University of Medical Sciences, Zanjan, Iran

3Department of Pediatric Cardiology, Rajaie Cardiovascular Medical and Research Center, Tehran University of Medical Sciences, Tehran, Iran

IJ Pediatrics:Vol. 22, issue 3; 333-338

Published online:Sep 30, 2012

Article type:Research Article

Received:Aug 08, 2011

Accepted:Mar 10, 2012

How to Cite:Zahra EmkanjooPasha MosaedMohammad DaliliInterventional Electrophysiology in Children: A Single-Center Experience.Iran J Pediatr.22(3):333-338.

Abstract

Objective: Ablation techniques of cardiac arrhythmia in children have significantly progressed in the past decade; however, the number of pediatric ablations is still significantly lower than that in adults. Accordingly, there is less information regarding the success rate and complications in this age group.
Methods: All pediatric ablations conducted between March 2005 and February 2011 at Rajaie Heart Center were studied. Abolishing the arrhythmia source by the end of procedure was considered as success. Recurrences before hospital discharge and those thereafter were named early recurrence and late recurrence, respectively.
Findings: A total of 125 catheter ablations were performed for 112 patients. Of them 118 (94.4%) procedures were successful. The success rate was significantly higher in the patients with atrioventricular nodal reentry tachycardia (AVNRT). Of 105 patients who continued follow-up program, 7 (6.7%) cases experienced recurrence; the recurrence rate was inversely dependent on the patients’ body size (P-value <0.05). There was no mortality. Five cases were complicated during or early after the procedure, all the complications were cured completely.
Conclusion: Therapeutic electrophysiology in children is an effective and relatively low-risk method. The recurrence and complication rates are similar to those reported in adults. Considering our results and the previous reports, pediatric patients with serious arrhythmia should not be deprived from ablation and should not be exposed to long-term toxic drugs.

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