Key result
Catheter ablation successfully eliminated tachycardias in 93.8% of patients with right atrial isomerism, with a 44% recurrence rate over a median follow-up of 96.5 months.
Why the study?
In addition to tachycardias involving twin AV nodes, tachycardias involving a single node occur clinically in right atrial isomerism, but their patterns and ablation outcomes required characterization.
Does transcatheter ablation effectively treat tachycardias involving twin or single AV nodes in patients with right atrial isomerism?
Population
16 right atrial isomerism patients with tachycardias involving twin or single AV nodes
Design
Single-center retrospective study
Follow-up
Median 96.5 months
Authors
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Ablation may control these rare circuits without functional decline; leaves open durability given frequent recurrences in this small series.
Observational (n=16)
No
Does transcatheter ablation effectively treat tachycardias involving twin or single AV nodes in patients with right atrial isomerism?
Transcatheter ablation is an effective treatment for tachycardias in patients with right atrial isomerism, though recurrence is common and may require repeat procedures.
Terashi et al. (2024) conducted an observational in Right atrial isomerism with tachycardias (n=16). Catheter ablation was evaluated on Elimination of tachycardias. Catheter ablation successfully eliminated tachycardias in 93.8% of patients with right atrial isomerism, with a 44% recurrence rate over a median follow-up of 96.5 months.
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