Arrhythmias & electrophysiologyCohort study

Sequential vs First-Intention Marshall-PLAN Strategy in Persistent Atrial Fibrillation Ablation

JACC Clin ElectrophysiolPublished

  • retrospective analysis
  • inverse probability of treatment weighting from a logistic regression-based propensity score

Authors' conclusion

In PsAF, a sequential Marshall-PLAN procedure after prior PVI provides similar arrhythmia control to a first-intention Marshall-PLAN strategy. The completeness of the Marshall-PLAN, rather than its timing, seems to be a determinant of durable sinus rhythm maintenance.

Study context

Population
Patients treated for persistent atrial fibrillation (PsAF) between September 2022 and April 2025patients treated for PsAF · first-intention Marshall-PLAN 168 · Marshall-PLAN after previous pulmonary vein isolation (PVI) 69
Participants
237 patients
Exposure
first-intention group vs sequential group
  • first-intention groupn = 168
  • sequential groupn = 69
Outcome
Arrhythmia recurrence lasting ≥30 seconds (arrhythmia-free survival)
Follow-up
12 months

Main finding

As reported in the abstract

Observational data: associations, not effects.

Further findings

Predictors of arrhythmia recurrence

ComparisonHR (95% CI)P value
Incomplete Marshall-PLAN · independently associated with arrhythmia recurrence5.55 (2.06–14.97)P = 0.001
sequential strategy · not independently associated0.52 (0.15–1.83)P = 0.30

AF history duration

OutcomeHR (per mL)P value
Predictors of arrhythmia recurrence — Left atrial volume · predictor of AF/atrial tachycardia recurrence1.01P = 0.015
  • AF history duration: P = 0.001

Procedural success

Et-VOM successful
92.8%
Complete Marshall-PLAN set obtained
90.4%

Original publication

Sequential vs First-Intention Marshall-PLAN Strategy in Persistent Atrial Fibrillation Ablation. JACC Clin Electrophysiol. Published 11 June 2026. doi:10.1016/j.jacep.2026.05.016

Summarised from the published abstract; every number is checked against it