Tsuyoshi Takenouchi
Tokyo Medical University
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Publication
Featured researches published by Tsuyoshi Takenouchi.
Operations Research Letters | 2005
Tsuyoshi Takenouchi; Mamoru Suzuki; Masayoshi Furuya; Koji Otsuka; Yasuo Ogawa
The purpose of this study was to clarify the role of endolymphatic fluid shift in caloric response, using frog posterior semicircular canals (PSCs). PSCs were sutured using 10-0 nylon thread and were used as a model of canal plugging. Compound action potentials (CAPs) of the PSC nerve evoked by a cooling stimulus were recorded. The CAPs after suturing the PSCs were found to be greater than those before suturing. This indicates that the fluid shift effect increases after canal suturing. Additionally, we present a clinical case in which caloric nystagmus was observed after lateral canal plugging. In this case MRI revealed the fluid space from the plugged portion toward the ampulla to be intact. There was another case with lateral canal plugging that showed the same findings on MRI. The above findings support the hypothesis that fluid shift is responsible for the caloric response without the convective flow of endolymph in the plugged canal.
Equilibrium Research | 2004
Naoharu Kitajima; Mamoru Suzuki; Satoshi Horiguchi; Akihide Ichimura; Yashuo Ogawa; Shigetaka Shimizu; Tsuyoshi Takenouchi
Equilibrium Research | 2005
Koji Otsuka; Mamoru Suzuki; Masayoshi Furuya; Yasuo Ogawa; Akira Hagiwara; Tsuyoshi Takenouchi
Nihon Kikan Shokudoka Gakkai Kaiho | 2006
Isaku Okamoto; Kazuhiro Nakamura; Tomoyuki Yoshida; Tsuyoshi Takenouchi; Mamoru Suzuki
Nihon Kikan Shokudoka Gakkai Kaiho | 2006
Kazuhiro Nakamura; Tomoyuki Yoshida; Nobuhiro Suzuki; Tsuyoshi Takenouchi; Isaku Okamoto; Ryoji Tokashiki; Mamoru Suzuki
Practica oto-rhino-laryngologica | 2006
Yasuo Ogawa; Mamoru Suzuki; Akihide Ichimura; Akira Hagiwara; Naoharu Kitajima; Taro Inagaki; Kumiko Yukawa; Sigetaka Shimizu; Tsuyoshi Takenouchi
Nihon Kikan Shokudoka Gakkai Kaiho | 2007
Tomoyuki Yoshida; Akira Shimizu; Kazuhiro Nakamura; Shigetaka Shimizu; Tsuyoshi Takenouchi; Ryoji Tokashiki; Hiroyuki Ito; Hiroyuki Hiramatu; Kiyoaki Tsukahara; Daisuke Takata; Mamoru Suzuki
Practica oto-rhino-laryngologica | 2006
Isaku Okamoto; Kazuhiro Nakamura; Tomoyuki Yoshida; Tsuyoshi Takenouchi; Shigetaka Shimizu; Mamoru Suzuki
Nihon Kikan Shokudoka Gakkai Kaiho | 2006
Isaku Okamoto; Kazuhiro Nakamura; Tomoyuki Yoshida; Satoshi Horiguchi; Shigetaka Shimizu; Tsuyoshi Takenouchi; Mamoru Suzuki
Nihon Kikan Shokudoka Gakkai Kaiho | 2005
Tomoyuki Yoshida; Kazuhiro Nakamura; Nobuhiro Suzuki; Tsuyoshi Takenouchi; Nobutoshi Funato; Ryoji Tokashiki; Hiroyuki Ito; Shigetaka Shimizu; Daisuke Takata