^○Yoshio Hayashida, Noritosi Minematsu, hitosi matumura, mau amako, hiromitu teratani, hideaki yamada, masato hayama, tadashi tashiro, hideiti wada (Department of Cardiovascular Surgery, Fukuoka University School of Medicine, Fukuoka, Japan)

^○Masano Okada, Hirotaka Watanuki, Yasuhiro Futamura, Kayo Sugiyama, Katsuhiko Matsuyama (Aichi Medical University)

^○Satoshi Numata, Keiichi Itatani, Sachiko Yamazaki, Tomoya Inoue, Tomohito Kanzaki, Kaichirou Manabe, Hiroki Nakatsuji, Hitoshi Yaku (Department of Cardiovascular Surgery, Kyoto Prefectural University of Medicine)

^○Takeshi Matsumura^1,2, Atsunori Kitaoka², Masato Osakabe², Yoshiyasu Egawa^2,3, Osamu Yoshida^1,2 (1.Sakura Shinryosho, 2.Tokushima International Cooperation, 3.Shikoku Medical Center for Children and Adults)

^○Kozo Naito¹, Daisuke Arahira², Masahide Hichijou¹, Hiromitsu Kawasaki¹, Manabu Sato¹, Rina Kamata², Toshiya Tanaka² (1.Saga Medical Centre Koseikan, Department of Cardiovascular Surgery, 2.Department of Medical Information)