Diagnosis of Atrial Fibrillation Using Machine Learning With Wearable Devices After Cardiac Surgery: Algorithm Development Study

Daisuke Hiraoka   ¹ , MD ;   Tomohiko Inui   ¹ , MD, PhD ;   Eiryo Kawakami   ^{2, 3} , MD, PhD ;   Megumi Oya   ^{2, 3} , MD, PhD ;   Ayumu Tsuji   ² ;   Koya Honma   ² ;   Yohei Kawasaki   ⁴ , PhD ;   Yoshihito Ozawa   ⁴ , BS ;   Yuki Shiko   ⁴ , MS ;   Hideki Ueda   ¹ , MD, PhD ;   Hiroki Kohno   ¹ , MD, PhD ;   Kaoru Matsuura   ¹ , MD, PhD ;   Michiko Watanabe   ¹ , MD, PhD ;   Yasunori Yakita   ¹ , MD, PhD ;   Goro Matsumiya   ¹ , MD, PhD

¹ Department of Cardiovascular Surgery, University of Chiba, Chiba, Japan

² Department of Artificial Intelligence Medicine, Graduate School of Medicine, University of Chiba, Chiba, Japan

³ RIKEN Information R&D and Strategy Headquarters, Yokohama, Japan

⁴ Clinical Research Center, University of Chiba, Chiba, Japan