Search Results - "Nagaike, Koji"

Endoscopic detection and differentiation of esophageal lesions using a deep neural network by Ohmori, Masayasu, Ishihara, Ryu, Aoyama, Kazuharu, Nakagawa, Kentaro, Iwagami, Hiroyoshi, Matsuura, Noriko, Shichijo, Satoki, Yamamoto, Katsumi, Nagaike, Koji, Nakahara, Masanori, Inoue, Takuya, Aoi, Kenji, Okada, Hiroyuki, Tada, Tomohiro

“…Diagnosing esophageal squamous cell carcinoma (SCC) depends on individual physician expertise and may be subject to interobserver variability. Therefore, we…”
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Occupational radiation exposure to the lens of the eyes and its protection during endoscopic retrograde cholangiopancreatography by Ikezawa, Kenji, Hayashi, Shiro, Takenaka, Mamoru, Yakushijin, Takayuki, Nagaike, Koji, Takada, Ryoji, Yamai, Takuo, Matsumoto, Kengo, Yamamoto, Masashi, Omoto, Shunsuke, Minaga, Kosuke, Ishii, Shuji, Shimizu, Takeshi, Nagai, Kengo, Hosono, Makoto, Nishida, Tsutomu

“…This study aimed to examine occupational radiation exposure to the lens of the eyes during endoscopic retrograde cholangiopancreatography (ERCP). In this…”
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Identifying Bleeding Etiologies by Endoscopy Affected Outcomes in 10,342 Cases With Hematochezia: CODE BLUE-J Study by Nagata, Naoyoshi, Kobayashi, Katsumasa, Yamauchi, Atsushi, Yamada, Atsuo, Omori, Jun, Ikeya, Takashi, Aoyama, Taiki, Tominaga, Naoyuki, Sato, Yoshinori, Kishino, Takaaki, Ishii, Naoki, Sawada, Tsunaki, Murata, Masaki, Takao, Akinari, Mizukami, Kazuhiro, Kinjo, Ken, Fujimori, Shunji, Uotani, Takahiro, Fujita, Minoru, Sato, Hiroki, Suzuki, Sho, Narasaka, Toshiaki, Hayasaka, Junnosuke, Funabiki, Tomohiro, Kinjo, Yuzuru, Mizuki, Akira, Kiyotoki, Shu, Mikami, Tatsuya, Gushima, Ryosuke, Fujii, Hiroyuki, Fuyuno, Yuta, Gunji, Naohiko, Toya, Yosuke, Narimatsu, Kazuyuki, Manabe, Noriaki, Nagaike, Koji, Kinjo, Tetsu, Sumida, Yorinobu, Funakoshi, Sadahiro, Kawagishi, Kana, Matsuhashi, Tamotsu, Komaki, Yuga, Miki, Kuniko, Watanabe, Kazuhiro, Fukuzawa, Masakatsu, Itoi, Takao, Uemura, Naomi, Kawai, Takashi, Kaise, Mitsuru

“…The bleeding source of hematochezia is unknown without performing colonoscopy. We sought to identify whether colonoscopy is a risk-stratifying tool to identify…”
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Treatment strategies for reducing early and late recurrence of colonic diverticular bleeding based on stigmata of recent hemorrhage: a large multicenter study by Gobinet-Suguro, Maya, Nagata, Naoyoshi, Kobayashi, Katsumasa, Yamauchi, Atsushi, Yamada, Atsuo, Omori, Jun, Ikeya, Takashi, Aoyama, Taiki, Tominaga, Naoyuki, Sato, Yoshinori, Kishino, Takaaki, Ishii, Naoki, Sawada, Tsunaki, Murata, Masaki, Takao, Akinari, Mizukami, Kazuhiro, Kinjo, Ken, Fujimori, Shunji, Uotani, Takahiro, Fujita, Minoru, Sato, Hiroki, Suzuki, Sho, Narasaka, Toshiaki, Hayasaka, Junnosuke, Funabiki, Tomohiro, Kinjo, Yuzuru, Mizuki, Akira, Kiyotoki, Shu, Mikami, Tatsuya, Gushima, Ryosuke, Fujii, Hiroyuki, Fuyuno, Yuta, Gunji, Naohiko, Toya, Yosuke, Narimatsu, Kazuyuki, Manabe, Noriaki, Nagaike, Koji, Kinjo, Tetsu, Sumida, Yorinobu, Funakoshi, Sadahiro, Kawagishi, Kana, Matsuhashi, Tamotsu, Komaki, Yuga, Miki, Kuniko, Watanabe, Kazuhiro, Uemura, Naomi, Itawa, Eri, Sugimoto, Mitushige, Fukuzawa, Masakatsu, Kawai, Takashi, Kaise, Mitsuru, Itoi, Takao

“…Treatment strategies for colonic diverticular bleeding (CDB) based on stigmata of recent hemorrhage (SRH) remain unstandardized, and no large studies have…”
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Outcomes in high and low volume hospitals in patients with acute hematochezia in a cohort study by Ishii, Naoki, Nagata, Naoyoshi, Kobayashi, Katsumasa, Yamauchi, Atsushi, Yamada, Atsuo, Omori, Jun, Ikeya, Takashi, Aoyama, Taiki, Tominaga, Naoyuki, Sato, Yoshinori, Kishino, Takaaki, Sawada, Tsunaki, Murata, Masaki, Takao, Akinari, Mizukami, Kazuhiro, Kinjo, Ken, Fujimori, Shunji, Uotani, Takahiro, Fujita, Minoru, Sato, Hiroki, Suzuki, Sho, Narasaka, Toshiaki, Hayasaka, Junnosuke, Funabiki, Tomohiro, Kinjo, Yuzuru, Mizuki, Akira, Kiyotoki, Shu, Mikami, Tatsuya, Gushima, Ryosuke, Fujii, Hiroyuki, Fuyuno, Yuta, Gunji, Naohiko, Toya, Yosuke, Narimatsu, Kazuyuki, Manabe, Noriaki, Nagaike, Koji, Kinjo, Tetsu, Sumida, Yorinobu, Funakoshi, Sadahiro, Kawagishi, Kana, Matsuhashi, Tamotsu, Komaki, Yuga, Miki, Kuniko, Watanabe, Kazuhiro, Omata, Fumio, Shiratori, Yasutoshi, Imamura, Noriatsu, Yano, Takahiko, Kaise, Mitsuru

“…Outcomes of acute lower gastrointestinal bleeding have not been compared according to hospital capacity. We aimed to perform a propensity score-matched cohort…”
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Radiation dose and factors related to exceeding the diagnostic reference level in 496 transnasal ileus tube placement procedures from the REX-GI study by Nagaike, Koji, Hayashi, Shiro, Yakushijin, Takayuki, Yamamoto, Masashi, Sumiyoshi, Tetsuya, Yamaguchi, Shinjiro, Tamaru, Yuzuru, Yamada, Takuya, Tsumura, Hidetaka, Nakai, Yousuke, Doyama, Hisashi, Maetani, Iruru, Takagi, Tadayuki, Asai, Satoshi, Matsubara, Kosuke, Takenaka, Mamoru, Hosono, Makoto, Nishida, Tsutomu

“…We aimed to examine the factors contributing to radiation exposure exceeding the DRL of the transnasal ileus tube placement in this analysis from the cohort of…”
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Association of blood group O with a recurrent risk for acute lower gastrointestinal bleeding from a multicenter cohort study by Suzuki, Sho, Tominaga, Naoyuki, Aoki, Tomonori, Sadashima, Eiji, Miike, Tadashi, Kawakami, Hiroshi, Kobayashi, Katsumasa, Yamauchi, Atsushi, Yamada, Atsuo, Omori, Jun, Ikeya, Takashi, Aoyama, Taiki, Sato, Yoshinori, Kishino, Takaaki, Ishii, Naoki, Sawada, Tsunaki, Murata, Masaki, Takao, Akinari, Mizukami, Kazuhiro, Kinjo, Ken, Fujimori, Shunji, Uotani, Takahiro, Fujita, Minoru, Sato, Hiroki, Narasaka, Toshiaki, Hayasaka, Junnosuke, Funabiki, Tomohiro, Kinjo, Yuzuru, Mizuki, Akira, Kiyotoki, Shu, Mikami, Tatsuya, Gushima, Ryosuke, Fujii, Hiroyuki, Fuyuno, Yuta, Hikichi, Takuto, Toya, Yosuke, Narimatsu, Kazuyuki, Manabe, Noriaki, Nagaike, Koji, Kinjo, Tetsu, Sumida, Yorinobu, Funakoshi, Sadahiro, Kobayashi, Kiyonori, Matsuhashi, Tamotsu, Komaki, Yuga, Kaise, Mitsuru, Nagata, Naoyoshi

“…The relationship between blood group and rebleeding in acute lower gastrointestinal bleeding (ALGIB) remains unclear. This study aimed to investigate the…”
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A novel prediction tool for mortality in patients with acute lower gastrointestinal bleeding requiring emergency hospitalization: a large multicenter study by Tominaga, Naoyuki, Sadashima, Eiji, Aoki, Tomonori, Fujita, Minoru, Kobayashi, Katsumasa, Yamauchi, Atsushi, Yamada, Atsuo, Omori, Jun, Ikeya, Takashi, Aoyama, Taiki, Sato, Yoshinori, Kishino, Takaaki, Ishii, Naoki, Sawada, Tsunaki, Murata, Masaki, Takao, Akinari, Mizukami, Kazuhiro, Kinjo, Ken, Fujimori, Shunji, Uotani, Takahiro, Sato, Hiroki, Suzuki, Sho, Narasaka, Toshiaki, Hayasaka, Junnosuke, Funabiki, Tomohiro, Kinjo, Yuzuru, Mizuki, Akira, Kiyotoki, Shu, Mikami, Tatsuya, Gushima, Ryosuke, Fujii, Hiroyuki, Fuyuno, Yuta, Hikichi, Takuto, Toya, Yosuke, Narimatsu, Kazuyuki, Manabe, Noriaki, Nagaike, Koji, Kinjo, Tetsu, Sumida, Yorinobu, Funakoshi, Sadahiro, Kobayashi, Kiyonori, Matsuhashi, Tamotsu, Komaki, Yuga, Miki, Kuniko, Watanabe, Kazuhiro, Kaise, Mitsuru, Nagata, Naoyoshi

“…The study aimed to identify prognostic factors for patients with acute lower gastrointestinal bleeding and to develop a high-accuracy prediction tool. The…”
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A machine learning model for predicting the lymph node metastasis of early gastric cancer not meeting the endoscopic curability criteria by Kato, Minoru, Hayashi, Yoshito, Uema, Ryotaro, Kanesaka, Takashi, Yamaguchi, Shinjiro, Maekawa, Akira, Yamada, Takuya, Yamamoto, Masashi, Kitamura, Shinji, Inoue, Takuya, Yamamoto, Shunsuke, Kizu, Takashi, Takeda, Risato, Ogiyama, Hideharu, Yamamoto, Katsumi, Aoi, Kenji, Nagaike, Koji, Sasai, Yasutaka, Egawa, Satoshi, Akamatsu, Haruki, Ogawa, Hiroyuki, Komori, Masato, Akihiro, Nishihara, Yoshihara, Takeo, Tsujii, Yoshiki, Takehara, Tetsuo

“…Background We developed a machine learning (ML) model to predict the risk of lymph node metastasis (LNM) in patients with early gastric cancer (EGC) who did…”
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Vascular endothelial growth factor-A is an Immunohistochemical biomarker for the efficacy of bevacizumab-containing chemotherapy for duodenal and jejunal adenocarcinoma by Amano, Takahiro, Iijima, Hideki, Shinzaki, Shinichiro, Tashiro, Taku, Iwatani, Shuko, Tani, Mizuki, Otake, Yuriko, Yoshihara, Takeo, Sugimoto, Aya, Egawa, Satoshi, Yamaguchi, Shinjiro, Kinoshita, Kazuo, Araki, Manabu, Hirao, Motohiro, Sakakibara, Yuko, Hiyama, Satoshi, Ogawa, Hiroyuki, Nagaike, Koji, Murata, Jun, Komori, Masato, Okuda, Yorihide, Kizu, Takashi, Tsujii, Yoshiki, Hayashi, Yoshito, Inoue, Takahiro, Takahashi, Hidekazu, Mizushima, Tsunekazu, Morii, Eiichi, Takehara, Tetsuo

“…Abstract Background The efficacy and safety of bevacizumab-containing chemotherapy for patients with metastatic duodenal and jejunal adenocarcinoma (mDJA) are…”
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Nationwide cohort study identifies clinical outcomes of angioectasia in patients with acute hematochezia by Kobayashi, Mariko, Akiyama, Shintaro, Narasaka, Toshiaki, Kobayashi, Katsumasa, Yamauchi, Atsushi, Yamada, Atsuo, Omori, Jun, Ikeya, Takashi, Aoyama, Taiki, Tominaga, Naoyuki, Sato, Yoshinori, Kishino, Takaaki, Ishii, Naoki, Sawada, Tsunaki, Murata, Masaki, Takao, Akinari, Mizukami, Kazuhiro, Kinjo, Ken, Fujimori, Shunji, Uotani, Takahiro, Fujita, Minoru, Sato, Hiroki, Suzuki, Sho, Hayasaka, Junnosuke, Funabiki, Tomohiro, Kinjo, Yuzuru, Mizuki, Akira, Kiyotoki, Shu, Mikami, Tatsuya, Gushima, Ryosuke, Fujii, Hiroyuki, Fuyuno, Yuta, Gunji, Naohiko, Toya, Yosuke, Narimatsu, Kazuyuki, Manabe, Noriaki, Nagaike, Koji, Kinjo, Tetsu, Sumida, Yorinobu, Funakoshi, Sadahiro, Kobayashi, Kiyonori, Matsuhashi, Tamotsu, Komaki, Yuga, Miki, Kuniko, Watanabe, Kazuhiro, Tsuchiya, Kiichiro, Kaise, Mitsuru, Nagata, Naoyoshi

“…Background While angioectasia is an important cause of acute hematochezia, relevant clinical features remain unclear. This study aims to reveal risk factors,…”
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A follow‐up questionnaire survey 2022 on radiation protection among 464 medical staff from 34 endoscopy–fluoroscopy departments in Japan by Hayashi, Shiro, Takenaka, Mamoru, Kogure, Hirofumi, Yakushijin, Takayuki, Nakai, Yousuke, Ikezawa, Kenji, Yamaguchi, Shinjiro, Fujisawa, Toshio, Tamaru, Yuzuru, Maetani, Iruru, Maruyama, Hirotsugu, Asai, Satoshi, Takagi, Tadayuki, Nagaike, Koji, Hori, Yasuki, Sumiyoshi, Tetsuya, Tsumura, Hidetaka, Doyama, Hisashi, Yoshio, Toshiyuki, Hara, Kazuo, Abe, Seiichiro, Oda, Ichiro, Kato, Motohiko, Nebiki, Hiroko, Mikami, Tatsuya, Miyazaki, Masanori, Matsunaga, Kazuhiro, Hosono, Makoto, Nishida, Tsutomu, Egawa, Satoshi, Nishihara, Akihiro, Ohnita, Ken, Minami, Ryuki, Tada, Naoya, Kobayashi, Katsumasa, Kato, Masayuki

“…Objectives We surveyed and reported low protective equipment usage and insufficient knowledge among endoscopy‐fluoroscopy departments in Japan in 2020. Two…”
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Multicentre prospective observational study protocol for radiation exposure from gastrointestinal fluoroscopic procedures (REX-GI study) by Nishida, Tsutomu, Hayashi, Shiro, Takenaka, Mamoru, Hosono, Makoto, Kogure, Hirofumi, Hasatani, Kenkei, Yamaguchi, Shinjiro, Maruyama, Hirotsugu, Doyama, Hisashi, Ihara, Hideyuki, Yoshio, Toshiyuki, Nagaike, Koji, Yamada, Takuya, Yakushijin, Takayuki, Takagi, Tadayuki, Tsumura, Hidetaka, Kurita, Akira, Asai, Satoshi, Ito, Yukiko, Kuwai, Toshio, Hori, Yasuki, Maetani, Iruru, Ikezawa, Kenji, Iwashita, Takuji, Matsumoto, Kengo, Inada, Masami

“…IntroductionRecently, the use of various endoscopic procedures under X-ray fluoroscopic guidance, such as endoscopic retrograde cholangiopancreatography…”
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Diagnostic Reference Levels for Fluoroscopy-guided Gastrointestinal Procedures in Japan from the REX-GI Study: A Nationwide Multicentre Prospective Observational Study by Hayashi, Shiro, Takenaka, Mamoru, Hosono, Makoto, Kogure, Hirofumi, Hasatani, Kenkei, Suda, Takahiro, Maruyama, Hirotsugu, Matsunaga, Kazuhiro, Ihara, Hideyuki, Yoshio, Toshiyuki, Nagaike, Koji, Yamada, Takuya, Yakushijin, Takayuki, Takagi, Tadayuki, Tsumura, Hidetaka, Kurita, Akira, Asai, Satoshi, Ito, Yukiko, Kuwai, Toshio, Hori, Yasuki, Maetani, Iruru, Ikezawa, Kenji, Iwashita, Takuji, Matsumoto, Kengo, Fujisawa, Toshio, Nishida, Tsutomu

“…Diagnostic reference levels (DRLs) are required to optimize medical exposure. However, data on DRLs for interventional fluoroscopic procedures are lacking,…”
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A questionnaire survey on radiation protection among 282 medical staff from 26 endoscopy‐fluoroscopy departments in Japan by Hayashi, Shiro, Takenaka, Mamoru, Kogure, Hirofumi, Yakushijin, Takayuki, Maruyama, Hirotsugu, Hori, Yasuki, Yoshio, Toshiyuki, Ikezawa, Kenji, Takagi, Tadayuki, Asai, Satoshi, Matsunaga, Kazuhiro, Matsumoto, Kengo, Tsumura, Hidetaka, Yamaguchi, Shinjiro, Sumiyoshi, Tetsuya, Nagaike, Koji, Tamaru, Yuzuru, Hara, Kazuo, Fujisawa, Toshio, Oda, Ichiro, Ohnita, Ken, Kato, Motohiko, Nebiki, Hiroko, Mikami, Tatsuya, Nishihara, Akihiro, Egawa, Satoshi, Minami, Ryuki, Hosono, Makoto, Nishida, Tsutomu

“…Background and aims It is essential for endoscopists, technologists, and nurses to understand radiation protection. However, protective equipment usage is…”
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Medical radiation exposure during gastrointestinal enteral metallic stent placement: Post hoc analysis of the REX‐GI study by Tokura, Junki, Yoshio, Toshiyuki, Hayashi, Shiro, Yamamoto, Masashi, Asai, Satoshi, Yakushijin, Takayuki, Ikezawa, Kenji, Nagaike, Koji, Takagi, Tadayuki, Fujisawa, Toshio, Yamada, Takuya, Tsumura, Hidetaka, Maetani, Iruru, Hori, Yasuki, Ihara, Hideyuki, Matsunaga, Kazuhiro, Kuwai, Toshio, Ito, Yukiko, Hasatani, Kenkei, Komeda, Yoriaki, Kurita, Akira, Yamaguchi, Shinjiro, Maruyama, Hirotsugu, Iwashita, Takuji, Takenaka, Mamoru, Hosono, Makoto, Nishida, Tsutomu

“…Background and Aim Recently, the use of various endoscopic procedures performed under X‐ray fluoroscopy guidance has increased. With the popularization of such…”
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Real-time assessment of video images for esophageal squamous cell carcinoma invasion depth using artificial intelligence by Shimamoto, Yusaku, Ishihara, Ryu, Kato, Yusuke, Shoji, Ayaka, Inoue, Takahiro, Matsueda, Katsunori, Miyake, Muneaki, Waki, Kotaro, Kono, Mitsuhiro, Fukuda, Hiromu, Matsuura, Noriko, Nagaike, Koji, Aoi, Kenji, Yamamoto, Katsumi, Inoue, Takuya, Nakahara, Masanori, Nishihara, Akihiro, Tada, Tomohiro

“…Background Although optimal treatment of superficial esophageal squamous cell carcinoma (SCC) requires accurate evaluation of cancer invasion depth, the…”
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Multicenter propensity score‐matched analysis comparing short versus long cap‐assisted colonoscopy for acute hematochezia by Kobayashi, Mariko, Akiyama, Shintaro, Narasaka, Toshiaki, Kobayashi, Katsumasa, Yamauchi, Atsushi, Yamada, Atsuo, Omori, Jun, Ikeya, Takashi, Aoyama, Taiki, Tominaga, Naoyuki, Sato, Yoshinori, Kishino, Takaaki, Ishii, Naoki, Sawada, Tsunaki, Murata, Masaki, Takao, Akinari, Mizukami, Kazuhiro, Kinjo, Ken, Fujimori, Shunji, Uotani, Takahiro, Fujita, Minoru, Sato, Hiroki, Suzuki, Sho, Hayasaka, Junnosuke, Funabiki, Tomohiro, Kinjo, Yuzuru, Mizuki, Akira, Kiyotoki, Shu, Mikami, Tatsuya, Gushima, Ryosuke, Fujii, Hiroyuki, Fuyuno, Yuta, Gunji, Naohiko, Toya, Yosuke, Narimatsu, Kazuyuki, Manabe, Noriaki, Nagaike, Koji, Kinjo, Tetsu, Sumida, Yorinobu, Funakoshi, Sadahiro, Kobayashi, Kiyonori, Matsuhashi, Tamotsu, Komaki, Yuga, Tsuchiya, Kiichiro, Kaise, Mitsuru, Nagata, Naoyoshi

“…Background and Aim While short and long attachment caps are available for colonoscopy, it is unclear which type is more appropriate for stigmata of recent…”
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Percutaneous Transcholecystic Metallic Stent Placement for Malignant Obstruction of the Common Bile Duct: Preliminary Clinical Evaluation by Yasumoto, Taku, MD, PhD, Yokoyama, Shigekazu, MD, Nagaike, Koji, MD

“…Purpose To evaluate the technical success and clinical effectiveness of percutaneous transcholecystic placement of self-expanding metallic stents for the…”
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Su1804 PRETREATMENT LEVELS OF SERUM LEUCINE-RICH ALPHA-2 GLYCOPROTEIN IS USEFUL FOR SELECTION OF ANTI-CYTOKINE BIOLOGICS IN PATIENTS WITH INFLAMMATORY BOWEL DISEASE: A MULTICENTER PROSPECTIVE COHORT STUDY BY THE OSAKA GUT FORUM by Hiyama, Satoshi, Amano, Takahiro, Yoshihara, Takeo, Shinzaki, Shinichiro, Sakakibara, Yuko, Yamada, Takuya, Osugi, Naoto, Murayama, Yoko, Ogiyama, Hideharu, Nagaike, Koji, Tsujii, Yuri, Asakura, Akiko, Tashiro, Taku, Tani, Mizuki, Otake-Kasamoto, Yuriko, Inoue, Takahiro, Yonezawa, Atsushi, Iijima, Hideki, Hayashi, Yoshito, Takehara, Tetsuo

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