Key result
Radiofrequency catheter ablation successfully treated drug-refractory AV nodal re-entrant tachycardia in a two-year-old child, with no recurrence of SVT observed at 12 months of follow-up.
Why the study?
While catheter ablation is well-established in adults, infants are rarely subjected to radiofrequency ablation due to small size and difficulty attaining venous access.
Does radiofrequency ablation prevent recurrence of SVT in a two-year-old child with drug-refractory AVNRT?
Case Report (n=1)
No
Does radiofrequency ablation prevent recurrence of SVT in a two-year-old child with drug-refractory AVNRT?
Radiofrequency ablation can be successfully performed in very young children (2 years old) with drug-refractory AVNRT, resulting in freedom from SVT at 12 months.
Answers are grounded in this paper and cite their sources.
Supports feasibility of RF ablation for refractory AVNRT in toddlers; leaves open prospective safety and efficacy data.
Catheter ablation is considered as the standard treatment for all patients with symptomatic drug-refractory tachyarrhythmia. The safety and efficacy of the procedure in the adult population is well-established. Due to the small size of the patient and difficulty in attaining venous access, infants are rarely subjected to radiofrequency ablation. Here, we report a case of drug-refractory AV nodal re-entrant tachycardia in a two-year-old child. Radiofrequency ablation was performed with a 5-Fr sized medium-curve ablation catheter deployed at the slow pathway region where a fractionated A-wave with slow-pathway potential was recorded. After ablation, no recurrence of SVT at the end of 12 months of follow-up was observed.
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Ponnusamy et al. (2020) conducted a case report in Drug-refractory AV nodal re-entrant tachycardia (n=1). Radiofrequency catheter ablation was evaluated on Recurrence of SVT at 12 months. Radiofrequency catheter ablation successfully treated drug-refractory AV nodal re-entrant tachycardia in a two-year-old child, with no recurrence of SVT observed at 12 months of follow-up.
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