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Multicentre prospective observational study protocol for radiation exposure from gastrointestinal fluoroscopic procedures (REX-GI study).
Nishida T, Hayashi S, Takenaka M, Hosono M, Kogure H, Hasatani K, Yamaguchi S, Maruyama H, Doyama H, Ihara H, Yoshio T, Nagaike K, Yamada T, Yakushijin T, Takagi T, Tsumura H, Kurita A, Asai S, Ito Y, Kuwai T, Hori Y, Maetani I, Ikezawa K, Iwashita T, Matsumoto K, Inada M; FIGHT Japan Group. Nishida T, et al. Among authors: maruyama h. BMJ Open. 2020 Feb 26;10(2):e033604. doi: 10.1136/bmjopen-2019-033604. BMJ Open. 2020. PMID: 32107268 Free PMC article.
Comparison of a 22-gauge Franseen-tip needle with a 20-gauge forward-bevel needle for the diagnosis of type 1 autoimmune pancreatitis: a prospective, randomized, controlled, multicenter study (COMPAS study).
Kurita A, Yasukawa S, Zen Y, Yoshimura K, Ogura T, Ozawa E, Okabe Y, Asada M, Nebiki H, Shigekawa M, Ikeura T, Eguchi T, Maruyama H, Ueki T, Itonaga M, Hashimoto S, Shiomi H, Minami R, Hoki N, Takenaka M, Itokawa Y, Uza N, Hashigo S, Yasuda H, Takada R, Kamada H, Kawamoto H, Kawakami H, Moriyama I, Fujita K, Matsumoto H, Hanada K, Takemura T, Yazumi S. Kurita A, et al. Among authors: maruyama h. Gastrointest Endosc. 2020 Feb;91(2):373-381.e2. doi: 10.1016/j.gie.2019.10.012. Epub 2019 Oct 22. Gastrointest Endosc. 2020. PMID: 31654634 Clinical Trial.
Diagnostic Reference Levels for Fluoroscopy-guided Gastrointestinal Procedures in Japan from the REX-GI Study: A Nationwide Multicentre Prospective Observational Study.
Hayashi S, Takenaka M, Hosono M, Kogure H, Hasatani K, Suda T, Maruyama H, Matsunaga K, Ihara H, Yoshio T, Nagaike K, Yamada T, Yakushijin T, Takagi T, Tsumura H, Kurita A, Asai S, Ito Y, Kuwai T, Hori Y, Maetani I, Ikezawa K, Iwashita T, Matsumoto K, Fujisawa T, Nishida T. Hayashi S, et al. Among authors: maruyama h. Lancet Reg Health West Pac. 2022 Jan 6;20:100376. doi: 10.1016/j.lanwpc.2021.100376. eCollection 2022 Mar. Lancet Reg Health West Pac. 2022. PMID: 35036979 Free PMC article.
Comparison of 22-gauge standard and Franseen needles in EUS-guided tissue acquisition for diagnosing solid pancreatic lesions: a multicenter randomized controlled trial.
Itonaga M, Yasukawa S, Fukutake N, Ogura T, Asada M, Shimokawa T, Inatomi O, Nakai Y, Shiomi H, Nebiki H, Suzuki A, Kitagawa K, Asai S, Shimatani M, Sanuki T, Kurita A, Takenaka M, Yoshida M, Hoki N, Yasuda H, Maruyama H, Matsumoto H, Yanagisawa A, Kitano M. Itonaga M, et al. Among authors: maruyama h. Gastrointest Endosc. 2022 Jul;96(1):57-66.e2. doi: 10.1016/j.gie.2022.02.005. Epub 2022 Feb 11. Gastrointest Endosc. 2022. PMID: 35151711 Clinical Trial.
A questionnaire survey on radiation protection among 282 medical staff from 26 endoscopy-fluoroscopy departments in Japan.
Hayashi S, Takenaka M, Kogure H, Yakushijin T, Maruyama H, Hori Y, Yoshio T, Ikezawa K, Takagi T, Asai S, Matsunaga K, Matsumoto K, Tsumura H, Yamaguchi S, Sumiyoshi T, Nagaike K, Tamaru Y, Hara K, Fujisawa T, Oda I, Ohnita K, Kato M, Nebiki H, Mikami T, Nishihara A, Egawa S, Minami R, Hosono M, Nishida T. Hayashi S, et al. Among authors: maruyama h. DEN Open. 2021 Apr 21;1(1):e5. doi: 10.1002/deo2.5. eCollection 2021 Apr. DEN Open. 2021. PMID: 35310150 Free PMC article.
A follow-up questionnaire survey 2022 on radiation protection among 464 medical staff from 34 endoscopy-fluoroscopy departments in Japan.
Hayashi S, Takenaka M, Kogure H, Yakushijin T, Nakai Y, Ikezawa K, Yamaguchi S, Fujisawa T, Tamaru Y, Maetani I, Maruyama H, Asai S, Takagi T, Nagaike K, Hori Y, Sumiyoshi T, Tsumura H, Doyama H, Yoshio T, Hara K, Abe S, Oda I, Kato M, Nebiki H, Mikami T, Miyazaki M, Matsunaga K, Hosono M, Nishida T; REX‐GI Study Group. Hayashi S, et al. Among authors: maruyama h. DEN Open. 2023 Apr 13;3(1):e227. doi: 10.1002/deo2.227. eCollection 2023 Apr. DEN Open. 2023. PMID: 37064420 Free PMC article.
Adverse events of self-expandable metal stent placement for malignant distal biliary obstruction: a large multicenter study.
Tamura T, Yamai T, Uza N, Yamasaki T, Masuda A, Tomooka F, Maruyama H, Shigekawa M, Ogura T, Kuriyama K, Asada M, Matsumoto H, Takenaka M, Mandai K, Osaki Y, Matsumoto K, Sanuki T, Shiomi H, Yamagata Y, Doi T, Inatomi O, Nakanishi F, Emori T, Shimatani M, Asai S, Fujigaki S, Shimokawa T, Kitano M. Tamura T, et al. Among authors: maruyama h. Gastrointest Endosc. 2024 Jan;99(1):61-72.e8. doi: 10.1016/j.gie.2023.08.004. Epub 2023 Aug 19. Gastrointest Endosc. 2024. PMID: 37598864
Management of ERCP-related perforation: a large multicenter study.
Emori T, Yamasaki T, Itonaga M, Bamba S, Kitagawa K, Maruyama H, Ueyama S, Fujita K, Doi T, Iemoto T, Shiomi H, Sawai Y, Ogura T, Shimatani M, Nakanishi F, Uza N, Uenoyama Y, Asai S, Mandai K, Azuma S, Kitano M, Takenaka M. Emori T, et al. Among authors: maruyama h. Gastrointest Endosc. 2024 Dec 15:S0016-5107(24)03793-3. doi: 10.1016/j.gie.2024.12.018. Online ahead of print. Gastrointest Endosc. 2024. PMID: 39689733
2,020 results