Endoscopy International Open (Jul 2019)
Self-study of the non-extension sign in an e-learning program improves diagnostic accuracy of invasion depth of early gastric cancer
- Minoru Kato,
- Noriya Uedo,
- Takashi Nagahama,
- Kenshi Yao,
- Hisashi Doyama,
- Shigetsugu Tsuji,
- Takuji Gotoda,
- Takuji Kawamura,
- Masahide Ebi,
- Katsumi Yamamoto,
- Tomofumi Akasaka,
- Hajime Takatori,
- Osamu Handa,
- Takuji Akamatsu,
- Jun Nishikawa,
- Takuto Hikichi,
- Takeshi Yamashina,
- Akira Imoto,
- Yoko Kitamura,
- Tatsuya Mikami,
- Tomoyuki Koike,
- Shuichi Ohara,
- Shinji Kitamura,
- Tatsuya Yamaguchi,
- Tetsu Kinjo,
- Taro Inoue,
- Sho Suzuki,
- Akihiro Kaneko,
- Kingo Hirasawa,
- Kyosuke Tanaka,
- Takahiro Kotachi,
- Kazuhiro Miwa,
- Yosuke Toya,
- Shoichi Kayaba,
- Atsushi Ikehata,
- Shinya Minami,
- Kazuhiro Mizukami,
- Hirohisa Oya,
- Nobuyuki Ara,
- Yasushi Fukumoto,
- Takuya Komura,
- Toshiyuki Yoshio,
- Ryutaro Morizono,
- Kenji Yamazaki,
- Yuichi Shimodate,
- Kohei Yamanouchi,
- Noboru Kawata,
- Masayuki Kumagai,
- Yoshinori Sato,
- Kiyotaka Umeki,
- Daisuke Kawai,
- Tokuma Tanuma,
- Maiko Kishino,
- Jun Konishi,
- Tetsuya Sumiyoshi,
- Shohei Oka,
- Mitsuhiro Kono,
- Takeshi Sakamoto,
- Yohei Horikawa,
- Motoki Ohyauchi,
- Keiichi Hashiguchi,
- Yohei Waseda,
- Toyotaka Kasai,
- Hiroyuki Aoyagi,
- Hirokazu Oyamada,
- Masakuni Shoji,
- Shu Kiyotoki,
- Sho Asonuma,
- Shunsuke Orikasa,
- Chika Akaishi,
- Yasuaki Nagami,
- Satoshi Nakata,
- Fumiyo Iida,
- Tatsuma Nomura,
- Kei Tominaga,
- Kohei Oka,
- Yoshinori Morita,
- Haruhisa Suzuki,
- Keiji Ozeki,
- Shiko Kuribayashi,
- Yoichi Akazawa,
- Sho Sasaki,
- Tetsuhiko Mikami,
- Goro Miki,
- Tatsushi Sano,
- Hiro Satoh,
- Munetaka Nakamura,
- Wataru Iwai,
- Hideki Tawa,
- Masafumi Wada,
- Daisuke Yoshimura,
- Yasuhiro Hisanaga,
- Toshio Shimokawa,
- Hideki Ishikawa
Affiliations
- Minoru Kato
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
- Noriya Uedo
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
- Takashi Nagahama
- Department of Endoscopy, Fukuoka University Chikushi Hospital, Chikushino, Japan
- Kenshi Yao
- Department of Endoscopy, Fukuoka University Chikushi Hospital, Chikushino, Japan
- Hisashi Doyama
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
- Shigetsugu Tsuji
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
- Takuji Gotoda
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
- Takuji Kawamura
- Department of Gastroenterology, Kyoto Second Red Cross Hospital, Kyoto, Japan
- Masahide Ebi
- Department of Gastroenterology, Aichi Medical University School of Medicine, Nagakute, Japan
- Katsumi Yamamoto
- Department of Gastroenterology, Japan Community Healthcare Organization, Osaka Hospital, Osaka, Japan
- Tomofumi Akasaka
- Department of Gastroenterology and Hepatology, National Hospital Organization Osaka National Hospital, Osaka, Japan
- Hajime Takatori
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
- Osamu Handa
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
- Takuji Akamatsu
- Department of Gastroenterology and Hepatology, Japanese Red Cross Society Wakayama Medical Center, Wakayama, Japan
- Jun Nishikawa
- Department of Laboratory Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
- Takuto Hikichi
- Department of Endoscopy, Fukushima Medical University Hospital, Fukushima, Japan
- Takeshi Yamashina
- Department of Gastroenterology and Hepatology, Osaka Red Cross Hospital, Osaka, Japan
- Akira Imoto
- Second Department of Internal Medicine, Osaka Medical College, Takatsuki, Japan
- Yoko Kitamura
- Center for Digestive and Liver Disease, Department of Gastroenterology, Nara City Hospital, Nara, Japan
- Tatsuya Mikami
- Division of Endoscopy, Hirosaki University Hospital, Hirosaki, Japan
- Tomoyuki Koike
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
- Shuichi Ohara
- Department of Gastroenterology, Tohoku Rosai Hospital, Sendai, Japan
- Shinji Kitamura
- Department of Gastroenterology and Oncology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
- Tatsuya Yamaguchi
- First Department of Internal Medicine, University of Yamanashi, Yamanashi, Japan
- Tetsu Kinjo
- Department of Endoscopy, University of the Ryukyus Hospital, Okinawa, Japan
- Taro Inoue
- Department of Gastroenterology and Hepatology, Kishiwada Tokushukai Hospital, Kishiwada, Japan
- Sho Suzuki
- Department of Gastroenterology and Hepatology, Center for Digestive Disease, and Division of Endoscopy, University of Miyazaki Hospital, Miyazaki, Japan
- Akihiro Kaneko
- Department of Gastroenterological Medicine, Kobe Rosai Hospital, Kobe, Japan
- Kingo Hirasawa
- Division of Endoscopy, Yokohama City University Medical Center, Yokohama, Japan
- Kyosuke Tanaka
- Department of Endoscopy, Mie University Hospital, Tsu, Japan
- Takahiro Kotachi
- Department of Endoscopy, Hiroshima University Hospital, Hiroshima, Japan
- Kazuhiro Miwa
- Department of Gastroenterology, Komatsu Municipal Hospital, Komatsu, Japan
- Yosuke Toya
- Department of Gastroenterology, Department of Internal Medicine, School of Medicine, Iwate Medical University, Morioka, Japan
- Shoichi Kayaba
- Department of Gastroenterology, Iwate Prefectural Isawa Hospital, Ohshu, Japan
- Atsushi Ikehata
- Department of Gastroenterology, Iwate Prefectural Central Hospital, Morioka, Japan
- Shinya Minami
- Department of Gastroenterology, Oji General Hospital, Tomakomai, Japan
- Kazuhiro Mizukami
- Department of Gastroenterology, Oita University, Yufu, Oita, Japan
- Hirohisa Oya
- Department of Gastroenterology and Hepatology, Saiseikai Suita Hospital, Suita, Japan
- Nobuyuki Ara
- Department of Gastroenterology, National Hospital Organization Sendai Medical Hospital, Sendai, Japan
- Yasushi Fukumoto
- Department of Gastroenterology, National Hospital Organization Okayama Medical Center, Okayama, Japan
- Takuya Komura
- Department of Gastroenterology, National Hospital Organization Kanazawa Medical Center, Kanazawa, Japan
- Toshiyuki Yoshio
- Department of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
- Ryutaro Morizono
- Section of Gastroenterology, Department of Internal Medicine, Kin-ikyo Chuo Hospital, Sapporo, Japan
- Kenji Yamazaki
- Department of Gastroenterology, Gifu Prefectural General Medical Center, Gifu, Japan
- Yuichi Shimodate
- Department of Gastroenterology and Hepatology, Kurashiki Central Hospital, Kurashiki, Japan
- Kohei Yamanouchi
- Department of Gastroenterology, Takagi Hospital, Okawa, Japan
- Noboru Kawata
- Division of Endoscopy, Shizuoka Cancer Center, Nagaizumi-cho Sunto-gun, Japan
- Masayuki Kumagai
- Department of Gastroenterology, Yokkaichi Municipal Hospital, Yokkaichi, Japan
- Yoshinori Sato
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
- Kiyotaka Umeki
- Department of Gastroenterology, Chiba-Nishi General Hospital, Matsudo, Japan
- Daisuke Kawai
- Department of Gastroenterology, Tsuyama Chuo Hospital, Tsuyama, Japan
- Tokuma Tanuma
- Center for Gastroenterology, Teine-Keijinkai Hospital, Sapporo, Japan
- Maiko Kishino
- Department of Gastroenterology, Tokyo Womenʼs Medical University Hospital, Tokyo, Japan
- Jun Konishi
- Department of Gastroenterology, Tochigi Cancer Center, Utsunomiya, Japan
- Tetsuya Sumiyoshi
- Department of Gastroenterology, Tonan Hospital, Sapporo, Japan
- Shohei Oka
- Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
- Mitsuhiro Kono
- Department of Gastroenterology, Higashisumiyoshi Morimoto Hospital, Osaka, Japan
- Takeshi Sakamoto
- Department of Gastroenterological Oncology, Hyogo Cancer Center, Akashi, Japan
- Yohei Horikawa
- Department of Gastroenterology, Hiraka General Hospital, Yokote, Japan
- Motoki Ohyauchi
- Department of Gastroenterology, Osaki Citizen Hospital, Osaki, Japan
- Keiichi Hashiguchi
- Department of Endoscopy, Nagasaki University Hospital, Nagasaki, Japan
- Yohei Waseda
- Department of Internal Medicine, Asanogawa General Hospital, Kanazawa, Japan
- Toyotaka Kasai
- Department of Gastroenterology, Fukaya Red Cross Hospital, Saitama, Japan
- Hiroyuki Aoyagi
- Department of Gastroenterology, Fukui Prefectural Hospital, Fukui, Japan
- Hirokazu Oyamada
- Department of Gastroenterology, Matsushita Memorial Hospital, Moriguchi, Japan
- Masakuni Shoji
- Department of Gastroenterology, Faculty of Medicine, Yamagata University, Yamagata, Japan
- Shu Kiyotoki
- Department of Gastroenterology, Shuto General Hospital, Yanai, Japan
- Sho Asonuma
- Department of Gastroenterology, South Miyagi Medical Center, Shibata-gun, Japan
- Shunsuke Orikasa
- Department of Gastroenterology, Iwate Prefectural Kuji Hospital, Kuji, Japan
- Chika Akaishi
- Department of Gastroenterology, Iwate Prefectural Chubu Hospital, Kitakami, Japan
- Yasuaki Nagami
- Department of Gastroenterology, Osaka City University Graduate School of Medicine, Osaka, Japan
- Satoshi Nakata
- Department of Gastroenterology, Rakuwakai Otowa Hospital, Kyoto, Japan
- Fumiyo Iida
- Department of Gastroenterology, Japan Community Healthcare Organization, Kanazawa Hospital, Kanazawa, Japan
- Tatsuma Nomura
- Department of Gastroenterology, Kinan Hospital, Minamimuro, Mie, Japan
- Kei Tominaga
- Department of Gastroenterology, Kaga Medical Center, Kaga, Japan
- Kohei Oka
- Department of Gastroenterology and Hepatology, North Medical Center, Kyoto Prefectural University of Medicine, Yosa, Japan
- Yoshinori Morita
- Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
- Haruhisa Suzuki
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
- Keiji Ozeki
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
- Shiko Kuribayashi
- Clinical Investigation and Research Unit, Gunma University Hospital, Maebashi, Japan
- Yoichi Akazawa
- Department of Gastroenterology, Juntendo University, School of Medicine, Tokyo, Japan
- Sho Sasaki
- Department of Gastroenterology, Tokuyama Central Hospital, Shunan, Japan
- Tetsuhiko Mikami
- Department of Gastroenterology, Towada City Hospital, Towada, Japan
- Goro Miki
- Department of Gastroenterology, Nobeoka Medical Association Hospital, Nobeoka, Japan
- Tatsushi Sano
- Department of Gastroenterology, Moriguchi Keijinkai Hospital, Moriguchi, Japan
- Hiro Satoh
- Department of Gastroenterology, Midori Municipal Hospital, Nagoya, Japan
- Munetaka Nakamura
- Department of Gastroenterology, Hagi Civil Hospital, Hagi, Japan
- Wataru Iwai
- Department of Gastroenterology, Miyagi Cancer Center, Natori, Japan
- Hideki Tawa
- Department of Gastroenterology, Seikeikai Hospital, Sakai, Japan
- Masafumi Wada
- Department of Gastroenterology, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
- Daisuke Yoshimura
- Division of Gastroenterology, Saiseikai Fukuoka General Hospital, Fukuoka, Japan
- Yasuhiro Hisanaga
- Department of Gastroenterology, Ogaki Municipal Hospital, Ogaki, Japan
- Toshio Shimokawa
- Department of Clinical Study Support Center, Wakayama Medical University, Wakayama, Japan
- Hideki Ishikawa
- Department of Molecular-Targeting Cancer Prevention, Kyoto Prefectural University of Medicine, Kyoto, Japan
- DOI
- https://doi.org/10.1055/a-0902-4467
- Journal volume & issue
-
Vol. 07,
no. 07
pp. E871 – E882
Abstract
Background and study aims We developed an e-learning program for endoscopic diagnosis of invasion depth of early gastric cancer (EGC) using a simple diagnostic criterion called non-extension sign, and the contribution of self-study quizzes to improvement of diagnostic accuracy was evaluated. Methods We conducted a prospective randomized controlled study that recruited endoscopists throughout Japan. After completing a pretest, the participants watched video lectures and undertook post-test 1. The participants were then randomly allocated to either the self-study or non-self-study group, and participants in the first group completed the self-study program that comprised 100-case quizzes. Finally, participants in both groups undertook post-test 2. The primary endpoint was the difference in post-test 2 scores between the groups. The perfect score for the tests was set as 100 points. Results A total of 423 endoscopists completed the pretest and were enrolled. Post-test 1 was completed by 415 endoscopists and 208 were allocated to the self-study group and 207 to the non-self-study group. Two hundred and four in the self-study group and 205 in the non-self-study group were included in the analysis. Video lectures improved the mean score of post-test 1 from 72 to 77 points. Participants who completed the self-study quizzes showed significantly better post-test 2 scores compared with the non-self-study group (80 vs. 76 points, respectively, P < 0.0001). Conclusions Our e-learning program showed that self-study quizzes consolidated knowledge of the non-extension sign and improved diagnostic ability of endoscopists for invasion depth of EGC.
