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. 2023 Sep 26;25(9):euad276. doi: 10.1093/europace/euad276

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© The Author(s) 2023. Published by Oxford University Press on behalf of the European Society of Cardiology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Flow chart of the observational retrospective cohort study. Consecutive patients from 2011 to 2021 were screened and pre-selected based on the presence of baseline LGE-CMR and a redo procedure. Fifty-six patients who developed AFL following AF ablation were included in the study. After a 2:1 randomization, 110 patients were included from the pre-selection list of 215 patients with AF recurrence. AF, atrial fibrillation; AFL, atypical atrial flutter; LGE-CMR, late gadolinium enhancement cardiac magnetic resonance.