Arrhythmias & electrophysiology
Pulsed Field Ablation of Paroxysmal Supraventricular Tachycardia: A Prospective Multicenter Single-Arm Study in China
Authors' conclusion
PFA demonstrated the feasibility of the treatment of SVT.
Study context
- Population
- Patients with paroxysmal supraventricular tachycardia (AVNRT, AVRT or Wolff-Parkinson-White syndrome)completed the trial
- Participants
- 158 patients
- Outcome
- Acute ablation success
Methodological details8 centres in China
- 8 centres in China
Main finding
As reported in the abstract
Acute ablation successful
157 patients
99.37%
Observational data: associations, not effects.
Secondary outcomes
PSVT recurrence · 180-day follow-up
- Patients with PSVT recurrence (4 with AVRT, 1 with WPW)
- 5
Procedural characteristics
- Skin-to-skin procedure time (min)
- 89.9±35.5
- Median number of pulsed field ablation (PFA) discharges
- 12 (8-19)
- Median effective PFA discharge time (ms)
- 4.6 (3.2-6.4)
Safety
AV block and adverse events · procedure and 180-day follow-up
- Transient first-degree AV block, resolved in 12 hours (patients)
- 1
- Transient third-degree AV block, resolved in 24 hours (patients)
- 1
- No permanent AV block or other adverse events
Original publication
Pulsed Field Ablation of Paroxysmal Supraventricular Tachycardia: A Prospective Multicenter Single-Arm Study in China. Circ Arrhythm Electrophysiol. Published 29 November 2024. doi:10.
Summarised from the published abstract; every number is checked against it