Key result
Cryoablation successfully eliminates infant congenital junctional ectopic tachycardia without recurrence or heart block at 6 months.
Why the study?
Is cryoablation safe and feasible for congenital junctional ectopic tachycardia in an 18-month-old toddler?
Case Report (n=1)
Is cryoablation safe and feasible for congenital junctional ectopic tachycardia in an 18-month-old toddler?
Cryoablation is a safe and feasible treatment option for congenital junctional ectopic tachycardia in toddlers as young as 18 months.
Supports cryoablation feasibility for congenital junctional ectopic tachycardia in toddlers; leaves open need for prospective studies before practice change.
JET (junctional ectopic tachycardia) is a complicated and rare form of supraventricular tachycardia that is associated with a high rate of morbidity and mortality. Pharmaceutical management can be insufficient, and cryoablation has been described for congenital JET management. We describe cryoablation for congenital JET in an prior 32-week gestational aged, 18-month-old (corrected 16-month-old) with no JET post-ablation with normal Holter and follow-up within 6 months following cryoablation. This report demonstrates the safety and feasibility of cryoablation in patients as young as 18 months old.
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Leslie et al. (2022) conducted a case report in Congenital junctional ectopic tachycardia (JET) (n=1). Cryoablation was evaluated on Recurrence of JET and atrioventricular block post-ablation. Cryoablation successfully terminated congenital junctional ectopic tachycardia in an 18-month-old infant, with no recurrence or atrioventricular block observed over 6 months of follow-up.
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