Baseline demographics and clinical characteristics in the all nippon af in the elderly (ANAFIE) registry

Yukihiro Koretsune, Takeshi Yamashita, Masaharu Akao, Hirotsugu Atarashi, Takanori Ikeda, Ken Okumura, Wataru Shimizu, Hiroyuki Tsutsui, Kazunori Toyoda, Atsushi Hirayama, Masahiro Yasaka, Takenori Yamaguchi, Satoshi Teramukai, Tetsuya Kimura, Jumpei Kaburagi, Atsushi Takita, Hiroshi Inoue

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Abstract

Background: Despite the well-established benefits in patients with nonvalvular atrial fibrillation (NVAF), anticoagulants have been underused in elderly patients. The All Nippon AF In the Elderly (ANAFIE) Registry is a multicenter, prospective, observational study with 2-year follow-up of Japanese patients aged ≥75 years with a definitive diagnosis of NVAF, aiming to collect detailed information on clinical status and therapeutic challenges in this patient population. Methods and Results: Patients were enrolled from October 2016 to January 2018. A total of 32,726 patients (57.2% male) were included. The average age, CHADS2 score, and creatinine clearance were 81.5±4.8 years (26.2% of patients were aged ≥85 years), 2.9±1.2, and 48.4±21.8 mL/min, respectively. Paroxysmal AF was the most common clinical AF type (42.0%), and most patients (97.2%) had comorbidities. Most patients (91.9%) were receiving anticoagulant therapy; of these, 27.8% and 72.2% were treated with warfarin and direct oral anticoagulants, respectively. The average number of concomitant drugs used was 6.6±3.2, including anticoagulants. Conclusions: The ANAFIE Registry is the largest prospective registry study of elderly Japanese patients with NVAF to date. Baseline data indicate that patients in this age group are treated in a manner similar to their younger counterparts.

Original languageEnglish
Pages (from-to)1538-1545
Number of pages8
JournalCirculation Journal
Volume83
Issue number7
DOIs
Publication statusPublished - 2019

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

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    Koretsune, Y., Yamashita, T., Akao, M., Atarashi, H., Ikeda, T., Okumura, K., Shimizu, W., Tsutsui, H., Toyoda, K., Hirayama, A., Yasaka, M., Yamaguchi, T., Teramukai, S., Kimura, T., Kaburagi, J., Takita, A., & Inoue, H. (2019). Baseline demographics and clinical characteristics in the all nippon af in the elderly (ANAFIE) registry. Circulation Journal, 83(7), 1538-1545. https://doi.org/10.1253/circj.CJ-19-0094