Arrhythmias & electrophysiology

Impact of Left Atrial Posterior Wall Ablation During Pulsed-Field Ablation for Persistent Atrial Fibrillation

JACC Clin ElectrophysiolPublished Retrospective analysis of the MANIFEST-PF registry

Authors' conclusion

In patients with PersAF undergoing PFA, as compared to PVI-alone, adjunctive LAPW ablation did not improve freedom from atrial arrhythmia at 12 months.

Study context

Population
Consecutive patients with persistent AF undergoing post-approval pulsed-field ablation (PFA) with a pentaspline catheter
Participants
547 patients
Exposure
Pulmonary vein isolation (PVI) + left atrial posterior wall (LAPW) ablation vs PVI alone with PFA
  • PVI + LAPWn = 131
Outcome
Freedom from any atrial arrhythmia ≥30 seconds
Follow-up
1 year
Methodological detailsconsecutive patients, propensity-matched cohort
  • Consecutive patients
  • Propensity-matched cohort

Main finding

As reported in the abstract

Freedom from atrial arrhythmias (Kaplan-Meier estimate), full cohort

P = 0.68

Observational data: associations, not effects.

Further findings

Freedom from atrial arrhythmias, propensity-matched cohort · 1 year · matched cohort

P = 0.34

Safety

Major adverse events (acute and chronic composite) · no significant difference

P = 0.51

Original publication

Impact of Left Atrial Posterior Wall Ablation During Pulsed-Field Ablation for Persistent Atrial Fibrillation. JACC Clin Electrophysiol. Published 31 January 2024. doi:10.1016/j.jacep.2024.01.017

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