Key result
Radiofrequency catheter ablation with rapid atrial pacing successfully restored sinus rhythm with normal AV conduction in a 5-year-old boy with refractory congenital junctional ectopic tachycardia.
Why the study?
Does rapid atrial pacing during radiofrequency catheter ablation prevent atrioventricular block in a pediatric patient with junctional ectopic tachycardia?
Case Report (n=1)
No
Does rapid atrial pacing during radiofrequency catheter ablation prevent atrioventricular block in a pediatric patient with junctional ectopic tachycardia?
Rapid atrial pacing during radiofrequency ablation of junctional ectopic tachycardia is a useful technique to monitor and preserve AV conduction, avoiding complete AV block.
Answers are grounded in this paper and cite their sources.
May support rapid atrial pacing to preserve AV conduction during ablation for refractory pediatric JET; single-case report leaves safety and efficacy open.
Radiofrequency catheter ablation (RFCA) was performed on a 5-year-old boy with congenital junctional ectopic tachycardia (JET) that was refractory to medical management. Because of the lack of retrograde atrial depolarization during tachycardia, radiofrequency energy was delivered during atrial overdrive pacing to confirm the presence of preserved atrioventricular (AV) conduction. Although the procedure was complicated by complete right bundle branch block after ablation of the para-Hissian region, the patient regained sinus rhythm accompanied by normal AV conduction. Rapid atrial pacing during RFCA of JET may be safely used to avoid AV block.
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Fukuhara et al. (2001) conducted a case report in Congenital junctional ectopic tachycardia (JET) (n=1). Radiofrequency catheter ablation (RFCA) with atrial overdrive pacing was evaluated on Restoration of sinus rhythm with preserved AV conduction. Radiofrequency catheter ablation with rapid atrial pacing successfully restored sinus rhythm with normal AV conduction in a 5-year-old boy with refractory congenital junctional ectopic tachycardia.
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