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June 1, 2026EP EuropaceOpen Access

Complex AF pattern (>2 high-rate activity sites or no stable pattern) was an independent predictor of arrhythmia recurrence (OR 1.9, 95% CI 1.15-2.9, p=0.011).

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Why the study?

It is unknown to what extent individual atrial fibrillation patterns are determined by local conduction velocities and how they impact response to therapy.

Does complex AF pattern identified by non-invasive global mapping predict arrhythmia recurrence in patients undergoing electrical cardioversion?

Population

51 consecutive patients undergoing electrical cardioversion

Comparison

Complex vs non-complex AF patterns based on stable high-rate activity sites

Design

Prospective cohort study

Follow-up

6-months

Authors

AVA VictorARA RodriguezILI Llorente

Discussion

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Member takes

Overview

May identify slow conduction zones in AF; leaves open whether targeted ablation improves outcomes.

Structured PICO

Does complex AF pattern identified by non-invasive global mapping predict arrhythmia recurrence in patients undergoing electrical cardioversion?

P
Population
51 consecutive patients undergoing electrical cardioversion
I
Intervention
Continuous non-invasive global mapping before (atrial fibrillation) and after cardioversion (sinus rhythm)
O
Outcome
Arrhythmia-free survival over a 6-months follow-up

Non-invasive global mapping identifies complex AF patterns that independently predict arrhythmia recurrence after electrical cardioversion.

Cite This Study

Victor et al. (2026) studied this question.

synapsesocial.com/papers/6a704d12ac440176ef28f482https://doi.org/10.1093/europace/euag105.591
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Individual spatio-temporal atrial fibrillation dynamics predict arrhythmia recurrence - insights from non-invasive global mapping2025
  2. 2Non-invasive mapping of the temporal stability of atrial high-rate activity predicts atrial fibrillation termination sites - the SAHRA multicenter trial2026
  3. 3Centrifugal Gradients of Rate and Organization in Human Atrial Fibrillation2009 · 28 citations
  4. 4Editorial: Atrial Fibrillation: Technology for Diagnosis, Monitoring, and Treatment2022 · 1 citations
  5. 5Organized patterns of excitation during persistent atrial fibrillation in humans relate to tissue structure and activation rate2024