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Naoki Matsumura
Publications - 7
Citations - 945
Naoki Matsumura is an academic researcher. The author has contributed to research in topics: CLIPS & Severity of illness. The author has an hindex of 5, co-authored 7 publications receiving 556 citations.
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Journal ArticleDOI
Tokyo Guidelines 2018: diagnostic criteria and severity grading of acute cholecystitis (with videos).
Masamichi Yokoe,Jiro Hata,Tadahiro Takada,Steven M. Strasberg,Horacio J. Asbun,Go Wakabayashi,Kazuto Kozaka,Itaru Endo,Daniel J. Deziel,Fumihiko Miura,Kohji Okamoto,Tsann Long Hwang,Wayne Shih Wei Huang,Chen Guo Ker,Miin Fu Chen,Ho-Seong Han,Yoo Seok Yoon,In Seok Choi,Dong Sup Yoon,Yoshinori Noguchi,Satoru Shikata,Tomohiko Ukai,Ryota Higuchi,Toshifumi Gabata,Yasuhisa Mori,Yukio Iwashita,Taizo Hibi,Palepu Jagannath,Eduard Jonas,Kui Hin Liau,Christos Dervenis,Dirk J. Gouma,Daniel Cherqui,Giulio Belli,O. James Garden,Mariano E Giménez,Eduardo de Santibañes,Kenji Suzuki,Akiko Umezawa,Avinash Supe,Henry A. Pitt,Harjit Singh,Angus C.W. Chan,Wan Yee Lau,Anthony Yuen Bun Teoh,Goro Honda,Atsushi Sugioka,Koji Asai,Harumi Gomi,Takao Itoi,Seiki Kiriyama,Masahiro Yoshida,Toshihiko Mayumi,Naoki Matsumura,Hiromi Tokumura,Seigo Kitano,Koichi Hirata,Kazuo Inui,Yoshinobu Sumiyama,Masakazu Yamamoto +59 more
TL;DR: Thorough literature search about diagnostic criteria for acute cholecystitis, new and strong evidence that had been released from 2013 to 2017 was not found with serious and important issues about using TG13 diagnostic criteria of acute CholecyStitis, and the TG13 severity grading has been validated in numerous studies.
Journal ArticleDOI
Delphi consensus on bile duct injuries during laparoscopic cholecystectomy: an evolutionary cul-de-sac or the birth pangs of a new technical framework?
Yukio Iwashita,Taizo Hibi,Tetsuji Ohyama,Akiko Umezawa,Tadahiro Takada,Steven M. Strasberg,Horacio J. Asbun,Henry A. Pitt,Ho-Seong Han,Tsann Long Hwang,Kenji Suzuki,Yoo Seok Yoon,In Seok Choi,Dong Sup Yoon,Wayne Shih Wei Huang,Masahiro Yoshida,Go Wakabayashi,Fumihiko Miura,Kohji Okamoto,Itaru Endo,Eduardo de Santibañes,Mariano E Giménez,John A. Windsor,O. James Garden,Dirk J. Gouma,Daniel Cherqui,Giulio Belli,Christos Dervenis,Daniel J. Deziel,Eduard Jonas,Palepu Jagannath,Avinash Supe,Harjit Singh,Kui Hin Liau,Xiao Ping Chen,Angus C.W. Chan,Wan Yee Lau,Sheung Tat Fan,Miin Fu Chen,Myung-Hwan Kim,Goro Honda,Atsushi Sugioka,Koji Asai,Keita Wada,Yasuhisa Mori,Ryota Higuchi,Takeyuki Misawa,Manabu Watanabe,Naoki Matsumura,Toshiki Rikiyama,Naohiro Sata,Nobuyasu Kano,Hiromi Tokumura,Taizo Kimura,Seigo Kitano,Masafumi Inomata,Koichi Hirata,Yoshinobu Sumiyama,Kazuo Inui,Masakazu Yamamoto +59 more
TL;DR: A consensus was reached among expert surgeons on relevant landmarks and intraoperative findings and appropriate surgical techniques to avoid BDI.
Journal ArticleDOI
What are the appropriate indicators of surgical difficulty during laparoscopic cholecystectomy? Results from a Japan-Korea-Taiwan multinational survey.
Yukio Iwashita,Tetsuji Ohyama,Goro Honda,Taizo Hibi,Masahiro Yoshida,Fumihiko Miura,Tadahiro Takada,Ho-Seong Han,Tsann Long Hwang,Satoshi Shinya,Kenji Suzuki,Akiko Umezawa,Yoo Seok Yoon,In Seok Choi,Wayne Shih Wei Huang,Kuo Hsin Chen,Manabu Watanabe,Yuta Abe,Takeyuki Misawa,Yuichi Nagakawa,Dong Sup Yoon,Jin-Young Jang,Hee Chul Yu,Keun Soo Ahn,Song Cheol Kim,In Sang Song,Ji Hoon Kim,Sung Su Yun,Seong Ho Choi,Yi Yin Jan,Shyr Ming Sheen-Chen,Yan Shen Shan,Chen Guo Ker,De Chuan Chan,King-Teh Lee,Naoyuki Toyota,Ryota Higuchi,Yoshiharu Nakamura,Yoshiaki Mizuguchi,Yutaka Takeda,Masahiro Ito,Shinji Norimizu,Shigetoshi Yamada,Naoki Matsumura,Junichi Shindoh,Hiroki Sunagawa,Hiroshi Hasegawa,Toshiki Rikiyama,Naohiro Sata,Nobuyasu Kano,Seigo Kitano,Hiromi Tokumura,Yuichi Yamashita,Goro Watanabe,Kunitoshi Nakagawa,Taizo Kimura,Tatsuo Yamakawa,Go Wakabayashi,Itaru Endo,Masaru Miyazaki,Masakazu Yamamoto +60 more
TL;DR: This work aimed to identify appropriate indicators of surgical difficulty during laparoscopic cholecystectomy by identifying commonly used indicators that are surgeon and institution dependent.
Journal ArticleDOI
An opportunity in difficulty: Japan–Korea–Taiwan expert Delphi consensus on surgical difficulty during laparoscopic cholecystectomy
Yukio Iwashita,Taizo Hibi,Tetsuji Ohyama,Goro Honda,Masahiro Yoshida,Fumihiko Miura,Tadahiro Takada,Ho-Seong Han,Tsann Long Hwang,Satoshi Shinya,Kenji Suzuki,Akiko Umezawa,Yoo Seok Yoon,In Seok Choi,Wayne Shih Wei Huang,Kuo Hsin Chen,Manabu Watanabe,Yuta Abe,Takeyuki Misawa,Yuichi Nagakawa,Dong Sup Yoon,Jin-Young Jang,Hee Chul Yu,Keun Soo Ahn,Song Cheol Kim,In Sang Song,Ji Hoon Kim,Sung Su Yun,Seong Ho Choi,Yi Yin Jan,Yan Shen Shan,Chen Guo Ker,De Chuan Chan,Cheng Chung Wu,King-Teh Lee,Naoyuki Toyota,Ryota Higuchi,Yoshiharu Nakamura,Yoshiaki Mizuguchi,Yutaka Takeda,Masahiro Ito,Shinji Norimizu,Shigetoshi Yamada,Naoki Matsumura,Junichi Shindoh,Hiroki Sunagawa,Takeshi Gocho,Hiroshi Hasegawa,Toshiki Rikiyama,Naohiro Sata,Nobuyasu Kano,Seigo Kitano,Hiromi Tokumura,Yuichi Yamashita,Goro Watanabe,Kunitoshi Nakagawa,Taizo Kimura,Tatsuo Yamakawa,Go Wakabayashi,Rintaro Mori,Itaru Endo,Masaru Miyazaki,Masakazu Yamamoto +62 more
TL;DR: This study aimed to build a consensus among expert LC surgeons on the impact of each item on surgical difficulty among laparoscopic cholecystectomy surgeons.
Journal ArticleDOI
The "right" way is not always popular: comparison of surgeons' perceptions during laparoscopic cholecystectomy for acute cholecystitis among experts from Japan, Korea and Taiwan.
Taizo Hibi,Yukio Iwashita,Tetsuji Ohyama,Goro Honda,Masahiro Yoshida,Tadahiro Takada,Ho-Seong Han,Tsann Long Hwang,Satoshi Shinya,Kenji Suzuki,Akiko Umezawa,Yoo-Seok Yoon,In Seok Choi,Wayne Shih Wei Huang,Kuo Hsin Chen,Fumihiko Miura,Manabu Watanabe,Yuta Abe,Takeyuki Misawa,Yuichi Nagakawa,Dong Sup Yoon,Jin-Young Jang,Hee Chul Yu,Keun Soo Ahn,Song Cheol Kim,In Sang Song,Ji Hoon Kim,Sung Su Yun,Seong Ho Choi,Yi Yin Jan,Shyr Ming Sheen-Chen,Yan Shen Shan,Chen Guo Ker,De Chuan Chan,Cheng Chung Wu,Naoyuki Toyota,Ryota Higuchi,Yoshiharu Nakamura,Yoshiaki Mizuguchi,Yutaka Takeda,Masahiro Ito,Shinji Norimizu,Shigetoshi Yamada,Naoki Matsumura,Junichi Shindoh,Hiroki Sunagawa,Takeshi Gocho,Hiroshi Hasegawa,Toshiki Rikiyama,Naohiro Sata,Nobuyasu Kano,Seigo Kitano,Hiromi Tokumura,Yuichi Yamashita,Goro Watanabe,Kunitoshi Nakagawa,Taizo Kimura,Tatsuo Yamakawa,Go Wakabayashi,Itaru Endo,Masaru Miyazaki,Masakazu Yamamoto +61 more
TL;DR: It is demonstrated that the acceptable duration of surgery and criteria for open conversion during laparoscopic cholecystectomy (LC) vary among workplaces.