Arudo Hiraoka, Genta Chikazawa, Kosuke Sakamoto, Toshinori Totsugawa, Kentaro Tamura, Hidenori Yoshitaka, Taichi Sakaguchi (Department of Cardiovascular Surgery, The Sakakibara Heart Institute of Okayama, Japan)

Hiromichi Naito^1,2, Tetsuya Yumoto^1,2, Yoshio Tahara^1,3, Naohiro Yonemoto^1,4, Hiroshi Nonogi^1,5, Hiroaki Shimokawa^1,6, Ken Nagao^1,7 (1.JCS-ReSS Group, Japan, 2.Okayama University Hospital, Advanced Emergency and Critical Care Medical Center, Japan, 3.Division of Coronary Disease, National Cerebral and Cardiovascular Center Hospital, Japan, 4.Department of Biostatistics, Kyoto University School of Public Health, Japan, 5.Shizuoka General Hospital, Japan, 6.Department of Cardiovascular Medicine, Tohoku University Hospital, Japan, 7.Nihon University Hospital, Cardiovascular Center, Japan)

Tetsuya Yumoto^1,2, Hiromichi Naito^1,2, Yoshio Tahara^1,3, Naohiro Yonemoto^1,4, Hiroshi Nonogi^1,5, Hiroaki Shimokawa^1,6, Ken Nagao^1,7 (1.JCS-ReSS study group, Japan, 2.Department of Emergency, Critical Care, and Disaster Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan, 3.Division of Coronary Disease, National Cerebral and Cardiovascular Center Hospital, Japan, 4.Department of Biostatistics, Kyoto University School of Public Health, Japan, 5.Shizuoka General Hospital, Japan, 6.Department of Cardiovascular Medicine, Tohoku University Hospital, Japan, 7.Nihon University Hospital, Cardiovascular Center, Japan)

Hideo Inaba¹, Akira Yamashita², Hisanori Kurosaki¹, Keisuke Ohta³, Yasuhiro Myojo³ (1.Department of Circulatory Emergency and Resuscitation Science, Kanazawa University Graduate School of Medicine, Japan, 2.Department of Cardiology, Noto General Hospital, Japan,, 3.Emergency Medical Center, Ishikawa Prefectural Central Hospital, Japan)

Kenshin Shimono¹, Hirokazu Onishi¹, Ryuji Sugimoto¹, Chiyoka Kosaihira², Masato Kamitomo², Takeshi Kodama³, Tsuyosi Ueno³, Junichiro Hamasaki³, Shohei Matsukubo¹, Hideaki Yoshihara¹ (1.Department of Emergency and Critical Care Center, Kagoshima City Hospital, Japan, 2.Department of Obstetrics and Gynecology, Kagoshima City Hospital, Japan, 3.Department of Critical Care Medicine Kagoshima City Hospital, Japan)