Arrhythmias & electrophysiology
Treatment of pathophysiologic propagation outside of the pulmonary veins in retreatment of atrial fibrillation patients: RECOVER atrial fibrillation (AF) study
Authors' conclusion
Non-contact mapping can be used to target and guide the ablation of PCPs beyond the PVs in persistent AF patients returning for a first or second retreatment with 76% freedom from AF at 12 months.
Study context
- Population
- Persistent AF patients scheduled for a first or second ablation retreatment for recurrent AF
- Participants
- 103 patients
- Primary endpoint
- Freedom from AF on or off antiarrhythmic drugs
- Follow-up
- 12 months
Methodological detailssingle-arm
- Single-arm
Primary result
As reported in the abstract
Freedom from AF on or off AADs
| Group | Value | After single procedure | Free from AF on AADs |
|---|---|---|---|
| AcQMap System | 76% | 67% | 80% |
AcQMap System
Value76%
After single procedure67%
Free from AF on AADs80%
Further findings
| Outcome | Values |
|---|---|
| Freedom from AF, patients with only prior PVI (subgroup) · 12 months | AcQMap System 91% · After single procedure 83% |
| Freedom from all atrial arrhythmias, patients with only prior de novo PVI (subgroup) | AcQMap System 74% |
- Freedom from AF, patients with only prior pulmonary vein isolation (PVI) (subgroup): 43/47
- Freedom from all atrial arrhythmias, patients with only prior de novo PVI (subgroup): 35/47
Safety
- No major adverse events reported
Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.
Original publication
Treatment of pathophysiologic propagation outside of the pulmonary veins in retreatment of atrial fibrillation patients: RECOVER AF study. Europace. Published 19 April 2023. doi:10.
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