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. 2022 Dec 7;9:1049414. doi: 10.3389/fcvm.2022.1049414

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Copyright © 2022 Gu, Yang, Ju, Li, Chen, Gu, Liu and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The relationship between procedure characteristics and the re-ablation outcome. (A) No significant difference could be observed among the patients with and without LVAs (42.4 vs. 25.8%, p = 0.162). (B) Linear ablation did not improve the outcome of the redo procedure (38.7 vs. 30.3%, p = 0.479). (C) No significant difference could be identified among the patients with and without confirmed non-PV triggers (36.4 vs. 22.2%, p = 0.707). (D) Empirical SVC isolation improved the re-ablation outcome (20.7 vs. 50%, p = 0.019). LVA, low voltage area; PV: pulmonary vein; SVC, superior vena cava.