Arrhythmias & electrophysiology
50-W vs 40-W During High-Power Short-Duration Ablation for Paroxysmal Atrial Fibrillation: A Multicenter Prospective Study
Authors' conclusion
There was no significant difference in freedom from all-atrial arrhythmias or procedural safety outcomes between 50-W and 40-W during HPSD ablation of paroxysmal AF. The use of 50-W was associated with a higher rate of first-pass PVI as well as shorter procedural times.
Study context
- Population
- Patients undergoing high-power short-duration (HPSD) radiofrequency ablation of paroxysmal AF in the REAL-AF registry
- Participants
- 383 patients
- Exposure
- 50-W vs 40-W during HPSD ablation
- Outcome
- Efficacy: freedom from all-atrial arrhythmias; safety: any procedural complication
- Follow-up
- 12 months
Methodological detailsanalysis of the REAL-AF registry, multicentre
- Analysis of the REAL-AF registry
- Multicentre
Main finding
As reported in the abstract
Freedom from all-atrial arrhythmias
P = 0.387
Observational data: associations, not effects.
Secondary outcomes
First-pass PVI
P = 0.040
Procedural time
P < 0.001
Radiofrequency ablation time
P < 0.001
Safety
Any procedural complication (primary safety outcome) · 12 months
P = 0.646
Original publication
50-W vs 40-W During High-Power Short-Duration Ablation for Paroxysmal Atrial Fibrillation: A Multicenter Prospective Study. JACC Clin Electrophysiol. Published 4 October 2023. doi:10.
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