TANAKA Aya¹, ISHIKAWA Joji¹, OKUNO Keiko², MAEDA Teppei², KAWANO Masuyo², SAKURAYAMA Chieko², FUTAMI Shutaro¹, TOBA Ayumi¹, MURATA Teppei¹, HARADA Kazumasa¹ (1.Department of Cardiology, Tokyo Mertopolitan Geriatric Hospital and Institute of Gerontology, 2.Department of Physiological Laboratory, Tokyo Mertopolitan Geriatric Hospital and Institute of Gerontology)

WAKITA Yoshinori, MAEKAWA Masato, USAMI Junn, HAMANO Kouichi, IZUMI Junnko, NAKAGAWA Hiroaki, INAMOTO Shunnsuke, IBUKI Eri (Division of General Medicine, Aichi Medical University Hospital)

FUJIWARA Risako¹, IWAI-TAKANO Masumi², WATANABE Hiroyuki³, OHTE Nobuyuki⁴ (1.Cardiology, Independent Administrative Institution Akita Prefectural Hospital Organization Reseach Institute for Brain and Blood Vessels-Akita, 2.Intensive Care Unit, Fukushima Medical University, 3.Cardiovascular Medicine Department, Akita University Graduate School of Medicine, 4.Department of Cardio-Renal Medicine and Hypertension, Nagoya City University Graduate School Medical Sciencesof)

MAENO Nobuhisa, TAKATSUKA Keigo, YAMAJI Tatsuya, HAMADA Yoshiki (Department of Sports and Health Sciences, Aichi Shukutoku University)

ABE Miho¹, KUSUNOSE Kenya², YAMADA Hirotsugu³, YAMADA Nao², ZHENG Robert², SAIJO Yoshihito², NISHIO Susumu¹, HIRATA Yukina¹, TORII Yuta¹, SATA Masataka² (1.Ultrasound Examination Center, Tokushima Unuversity Hospital, 2.Cardiovascular Medicine, Tokushima University Hospital, 3.Department of Community Medicine for Cardiology, Tokushima University Graduate School of Biomedical Sciences)

NAKAYAMA Rie¹, TAKAYA Yoichi¹, WATANABE Nobuhisa², TOU Norihisa¹, NAKAMURA Kazufumi¹, ITO Hiroshi¹ (1.Department of Cardiology, Okayama University Hospital, 2.Center of Ultrasonic Diagnostics, Okayama University Hospital)