Open AccessComparison of uninterrupted anticoagulation with dabigatran etexilate or warfarin in the periprocedural period for atrial fibrillation catheter ablation: Results of the Japanese subgroup of the RE‐CIRCUIT trial
Author(s) -
Yoshida Yukihiko,
Watarai Masato,
Fujii Kenshi,
Shimizu Wataru,
Satomi Kazuhiro,
Inden Yasuya,
Murakami Yoshimasa,
Murakami Masato,
Iwasa Atsushi,
Kimura Masaomi,
Yamada Nobuko,
Nakagawa Tomofumi,
Nordaby Matias,
Okumura Ken
Publication year - 2018
Publication title -
journal of arrhythmia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.463
H-Index - 21
eISSN - 1883-2148
pISSN - 1880-4276
DOI - 10.1002/joa3.12024
Subject(s) - medicine , dabigatran , warfarin , atrial fibrillation , subgroup analysis , clinical endpoint , randomized controlled trial , catheter ablation , tamponade , cardiac tamponade , population , cardiology , anesthesia , surgery , confidence interval , environmental health
Background There are limited data on uninterrupted anticoagulation with direct oral anticoagulants during catheter ablation for atrial fibrillation ( AF ), particularly in Japan. We planned a subgroup analysis of the RE‐CIRCUIT study, comparing the use of uninterrupted dabigatran therapy with warfarin therapy during catheter ablation among the Japanese subgroup and with that in the total population. Methods The RE‐CIRCUIT study utilized a prospective, randomized, open‐label, blinded endpoint design, and the primary endpoint was the incidence of major bleeding events ( MBE s). Patients were randomized to uninterrupted dabigatran 150 mg twice daily or warfarin. In this study, we analyzed the results in Japanese patients. Results Of 704 enrolled patients in the study, 112 Japanese patients were randomized to dabigatran (n = 65) or warfarin (n = 47). MBE s were experienced by two patients: one in the dabigatran group (1.6%, cardiac tamponade) and one in the warfarin group (2.2%, groin hematoma) (risk difference vs warfarin −0.6%; 95% CI −5.8, 4.7). Within the Japanese subgroup, there were no thromboembolic events in both groups. Conclusion While not designed to show statistical difference between two treatment groups, our results from the Japanese subgroup supported those from the overall population. Furthermore, this study provided clinical information regarding MBE , especially cardiac tamponade, in Japanese patients.