^○Hiroyuki Nishi¹, Keitaro Domae¹, Keita Inoguchi¹, Yoshiharu Higuchi², Toshiki Takahashi¹ (1.Department of Cardiovascular Surgery, Osaka Police Hospital, Osaka, Japan, 2.Department of Cardiology, Osaka Police Hospital, Osaka, Japan)

^○Yoshito Inoue, Soshu Kotani, Masatoshi Ohno (Hiratsuka City Hospital)

^○Susumu Manabe¹, Norihisa Yuge¹, Daiki Hirayama¹, Ryoji Kinoshita¹, Sotaro Katsui², Hidetoshi Uchiyama², Masahiro Ohnuki², Kazunobu Hirooka¹ (1.Tsuchiura Kyodo Genera Hospital, Department of Cardiac Surgery, 2.Tsuchiura Kyodo General Hospital, Vascular Surgery)

^○Keitaro Domae, Hiroyuki Nishi, Keita Inoguchi, Toshiki Takahashi (Department of Cardiovascular Surgery, Osaka Police Hospital, Osaka, Japan)

^○Shinichi Suzuki, Munetaka Masuda, Yukihisa Isomatsu, Motohiko Goda, Daisuke Machida, Norihisa Tominaga, Taisuke Shibuya, Kazuya Endo, Kaori Mori (Yokohama City University Hospital)

^○Seimei Go, Tomokuni Furukawa, Toshifumi Hiraoka, Shinzo Mochizuki, Kazunori Yamada, Takaaki Mochizuki (Department of Cardiovascular Surgery Tsuchiya General Hospital, Hiroshima, Japan)

^○Shun Sato, Masashi Yada, Takeshi Nishina, Kazuo Yamanaka (Nara Prefecture General Medical Center)