^○Motoshige Yamasaki, shin yamamoto (Kawasaki Saiwai hospital aortic center)

^○Kisato Mitomi, Shuhei Suzuki, Masami Kuramochi, Mayumi Shinonaga, Setsuo Kuraoka (Department of Cardiovascular Surgery, Mito Saiseikai general hospital, Mito, Japan)

^○KAZUYOSHI FUKAZAWA¹, Kaoru Matsuura², Hideki Ueda², Hiroki Kouno², Yoshinori Enomoto², Michiko Watanabe², Daisuke Hiraoka², Tomohiko Inui², Yasunori Yakita², Yutaka Wakabayashi², Masahiko Fujii², Tomoyoshi Kanda², Keiichi Ishida¹, Goro Matsumiya² (1.Eastern Chiba Medical Center, 2.Chiba University Hospital)

^○Tatsuya Watanabe, Naomasa Ishida, Kensuke Kondo, Noriyuki Tokunaga, Ryutaro Isoda, Takuya Fukazawa, Ichiro Morita, Tomoki Yamatsuji, Masahiko Kuinose (Kawasaki Medical School General Medical Center)

^○Kazuhiko Ishimaru, Shigemitsu Iwai, Yosuke Kugo, Moyu Hasegawa, Koji Miwa, Hiroaki Kawata (Osaka Womens and Childrens Hospital)