Arrhythmias & electrophysiology
How a Topological Mindset May Offer Extra Control During Mapping and Ablation of Left-Sided Reentrant Atrial Tachycardia
Authors' conclusion
Thinking topology within an EAM/ETM workflow may offer extra control during mapping and ablation of left-sided reentrant AT.
Study context
- Population
- Left atrium reentrant atrial tachycardia cases undergoing mapping and ablationleft atrium reentrant atrial tachycardia (AT) cases
- Participants
- 88 cases
- Outcome
- Feasibility and topology diagnosis
Performance
As reported in the abstract
2B topology with single-loop activation
33 cases
≥3B topology with dual-loop activation
55 cases
Further findings
Successful termination of AT by ablation
- Successful termination
- 87 out of 88 cases
- Direct CB-CB approach
- n=75
- Indirect CB-non-CB-CB
- n=9
- Indirect CB-non-CB-non-CB-CB approach
- n=3
- No unexpected changes in tachycardia cycle length
Recurrence of AT · median follow-up of 356 (inter-quartile range, 228-537) days
- Patients experienced recurrence of AT
- 16 (18%)
Original publication
How a Topological Mindset May Offer Extra Control During Mapping and Ablation of Left-Sided Reentrant Atrial Tachycardia. Circ Arrhythm Electrophysiol. Published 13 June 2025. doi:10.
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