Impact of Ablation Targeting Atrial Drivers and Fragmented Potentials on Long-Standing Persistent Atrial Fibrillation: A Retrospective Study.

Although other regions, such as the LAA and roof, showed a numerically higher prevalence of fragmented potentials in Group 2, the differences did not reach statistical significance (e.g., LAA: 76.3% vs. 60.5%, p = 0.14; roof: 65.8% vs. 44.7%, p = 0.06).

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Targeted ablation of atrial drivers and fragmented potentials showed a trend toward lower atrial fibrillation recurrence and significantly reduced premature atrial contractions, highlighting the bottom region of the left atrium as a promising ablation target in long‐standing persistent AF. atrial fibrillation CARTOFINDER catheter ablation drivers fragmented 2.2 Study Design The study protocol was approved by the Showa University Research Ethics Review Board (approval no. 2023‐0208‐B), and written informed consent for study participation was waived due to the retrospective nature of the study, as approved by the institutional review board.

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