Clinical significance of early recurrence of atrial fibrillation after cryoballoon vs. radiofrequency ablation—A propensity score matched analysis

Michifumi Tokuda, Seigo Yamashita, Seiichiro Matsuo, Mika Kato, Hidenori Sato, Hirotsuna Oseto, Eri Okajima, Hidetsugu Ikewaki, Masaaki Yokoyama, Ryota Isogai, Kenichi Tokutake, Kenichi Yokoyama, Ryohsuke Narui, Shin-ichi Tanigawa, Michihiro Yoshimura and Teiichi Yamane

PLOS ONE, 2019, vol. 14, issue 7, 1-11

Abstract: Objectives: One of the mechanisms of early recurrence of atrial fibrillation (ERAF) after AF ablation is considered to be the inflammatory reaction of the atrial tissue. The aim of this study is to compare the clinical significance of ERAF at each stage for true AF recurrence between cryoballoon (CB) and radiofrequency (RF) ablation. Methods: Among 798 paroxysmal AF patients who underwent an initial ablation, 460 patients (CB, n = 230; RF, n = 230) were selected by propensity score matching. Very ERAF (VERAF), ERAF-1M, ERAF-3M and true AF recurrence were defined as AF recurrence at 0–2, 3–30, 31–90 days and more than 90 days after the procedure, respectively. Results: The patient characteristics of the two groups were similar. ERAF was observed 21% and 27% in the CB and RF groups, respectively. In both the CB and RF group, VERAF, ERAF-1M and ERAF-3M were more frequently observed in patients with true AF recurrence than in those without. In a multivariable analysis, ERAF-1M and ERAF-3M were found to be independent predictors of true AF recurrence in both the CB (P = 0.04 and P

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0219269

DOI: 10.1371/journal.pone.0219269

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