{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T12:06:09Z","timestamp":1784289969054,"version":"3.55.0"},"reference-count":21,"publisher":"Springer Science and Business Media LLC","issue":"8","license":[{"start":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T00:00:00Z","timestamp":1772668800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T00:00:00Z","timestamp":1772668800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Surg Today"],"published-print":{"date-parts":[[2026,8]]},"DOI":"10.1007\/s00595-026-03271-7","type":"journal-article","created":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T17:57:28Z","timestamp":1772733448000},"page":"1547-1553","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Utility of establishing a unified regional database for enhancing academic output and specialist certification in Japan"],"prefix":"10.1007","volume":"56","author":[{"given":"Tetsuro","family":"Tominaga","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shintaro","family":"Hashimoto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuma","family":"Takamura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroki","family":"Katayama","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariko","family":"Yamashita","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keisuke","family":"Noda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shoko","family":"Tei","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rika","family":"Ono","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mitsutoshi","family":"Ishii","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Makoto","family":"Hisanaga","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaido","family":"Oishi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaaki","family":"Moriyama","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fumitake","family":"Uchida","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toshio","family":"Shiraishi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaki","family":"Kunizaki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akiko","family":"Fukuda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Nonaka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keitaro","family":"Matsumoto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,3,5]]},"reference":[{"issue":"6","key":"3271_CR1","doi-asserted-by":"publisher","first-page":"823","DOI":"10.1002\/ags3.12484","volume":"5","author":"H Katayama","year":"2021","unstructured":"Katayama H, Inomata M, Mizusawa J, Nakamura K, Watanabe M, Akagi T, et al. Institutional variation in survival and morbidity in laparoscopic surgery for colon cancer: From the data of a randomized controlled trial comparing open and laparoscopic surgery (JCOG0404). Annals gastroenterological Surg. 2021;5(6):823\u201331.","journal-title":"Annals gastroenterological Surg"},{"issue":"5","key":"3271_CR2","doi-asserted-by":"publisher","first-page":"687","DOI":"10.1007\/s00464-004-8920-z","volume":"19","author":"E Kuhry","year":"2005","unstructured":"Kuhry E, Bonjer HJ, Haglind E, Hop WC, Veldkamp R, Cuesta MA, et al. Impact of hospital case volume on short-term outcome after laparoscopic operation for colonic cancer. Surg Endosc. 2005;19(5):687\u201392.","journal-title":"Surg Endosc"},{"key":"3271_CR3","doi-asserted-by":"publisher","first-page":"277","DOI":"10.1016\/j.jss.2017.06.034","volume":"218","author":"MA Chaudhary","year":"2017","unstructured":"Chaudhary MA, Shah AA, Zogg CK, Changoor N, Chao G, Nitzschke S, et al. Differences in rural and urban outcomes: a national inspection of emergency general surgery patients. J Surg Res. 2017;218:277\u201384.","journal-title":"J Surg Res"},{"key":"3271_CR4","doi-asserted-by":"crossref","unstructured":"Hasegawa H, Takahashi A, Kakeji Y, Ueno H, Eguchi S, Endo I, et al. Surgical outcomes of gastroenterological surgery in Japan: Report of the National Clinical Database 2011\u20132017. Annals gastroenterological Surg. 2019;3(4):426\u201350.","DOI":"10.1002\/ags3.12258"},{"issue":"6","key":"3271_CR5","doi-asserted-by":"publisher","first-page":"721","DOI":"10.1002\/ags3.12384","volume":"4","author":"T Akagi","year":"2020","unstructured":"Akagi T, Endo H, Inomata M, Yamamoto H, Mori T, Kojima K, et al. Clinical impact of Endoscopic Surgical Skill Qualification System (ESSQS) by Japan Society for Endoscopic Surgery (JSES) for laparoscopic distal gastrectomy and low anterior resection based on the National Clinical Database (NCD) registry. Annals gastroenterological Surg. 2020;4(6):721\u201334.","journal-title":"Annals gastroenterological Surg"},{"key":"3271_CR6","doi-asserted-by":"crossref","unstructured":"Aoyama S, Inoue Y, Ohki T, Itabashi M, Yamamoto M. Usefulness of the endoscopic surgical skill qualification system in laparoscopic colorectal surgery: short-term outcomes: a single-center and retrospective analysis. BMC Surg. 2019;19(1):90.","DOI":"10.1186\/s12893-019-0528-2"},{"key":"3271_CR7","doi-asserted-by":"crossref","unstructured":"O\u2019Connell RM, Abd Elwahab S, Mealy K. The impact of hospital grade, hospital-volume, and surgeon-volume on outcomes for adults undergoing appendicectomy. The surgeon : journal of the Royal Colleges of Surgeons of Edinburgh and Ireland. 2020;18(5):280-6.","DOI":"10.1016\/j.surge.2019.10.006"},{"issue":"2","key":"3271_CR8","doi-asserted-by":"publisher","first-page":"281","DOI":"10.1002\/ags3.12865","volume":"9","author":"M Kido","year":"2025","unstructured":"Kido M, Arita T, Shoda K, Shimizu H, Kiuchi J, Nanishi K, et al. Inter-prefectural and urban-rural regional disparities in rectal cancer and rectal resections: A Japanese nationwide population-based cohort study from 2014 to 2019. Annals gastroenterological Surg. 2025;9(2):281\u20137.","journal-title":"Annals gastroenterological Surg"},{"issue":"1","key":"3271_CR9","doi-asserted-by":"publisher","first-page":"60","DOI":"10.1002\/jhbp.1186","volume":"30","author":"T Otsubo","year":"2023","unstructured":"Otsubo T, Kobayashi S, Sano K, Misawa T, Katagiri S, Nakayama H, et al. A nationwide certification system to increase the safety of highly advanced hepatobiliary-pancreatic surgery. J Hepato-Biliary-Pancreat Sci. 2023;30(1):60\u201371.","journal-title":"J Hepato-Biliary-Pancreat Sci"},{"issue":"2","key":"3271_CR10","doi-asserted-by":"publisher","first-page":"103","DOI":"10.1111\/ases.12166","volume":"8","author":"Y Sakai","year":"2015","unstructured":"Sakai Y, Kitano S. Practice Guidelines on Endoscopic Surgery for qualified surgeons by the Endoscopic Surgical Skill Qualification System. Asian J Endosc Surg. 2015;8(2):103\u201313.","journal-title":"Asian J Endosc Surg"},{"key":"3271_CR11","doi-asserted-by":"crossref","unstructured":"Kazama K, Numata M, Aoyama T, Atsumi Y, Tamagawa H, Godai T, et al. Does the Endoscopic Surgical Skill Qualification System improve patients\u2019 outcome following laparoscopic surgery for colon cancer? A multicentre, retrospective analysis with propensity score matching. World J Surg Oncol. 2021;19(1):53.","DOI":"10.1186\/s12957-021-02155-z"},{"issue":"5","key":"3271_CR12","doi-asserted-by":"publisher","first-page":"462","DOI":"10.1002\/ags3.12282","volume":"3","author":"H Baba","year":"2019","unstructured":"Baba H. National Clinical Database (NCD) in Japan: Clinical and social significance. Ann Gastroenterol Surg. 2019;3(5):462\u20133.","journal-title":"Ann Gastroenterol Surg"},{"key":"3271_CR13","doi-asserted-by":"crossref","unstructured":"Kakeji Y, Yamamoto H, Ueno H, Eguchi S, Sasaki A, Takiguchi S, et al. Development of gastroenterological surgery over the last decade in Japan: analysis of the National Clinical Database. Surg Today. 2021;51(2):187\u2009\u2212\u200993.","DOI":"10.1007\/s00595-020-02075-7"},{"key":"3271_CR14","doi-asserted-by":"crossref","unstructured":"Yamamoto T, Takahashi A, Yoshizumi T, Ishihara S, Inomata M, Imoto S et al. 2023 National Clinical Database Annual Report by the Japan Surgical Society. Surg Today. 2025;55(3):295\u2013334.","DOI":"10.1007\/s00595-024-02980-1"},{"issue":"3","key":"3271_CR15","doi-asserted-by":"publisher","first-page":"301","DOI":"10.1002\/ags3.12245","volume":"3","author":"S Fujii","year":"2019","unstructured":"Fujii S, Akagi T, Inomata M, Katayama H, Mizusawa J, Ota M, et al. Transitional impact of short- and long-term outcomes of a randomized controlled trial to evaluate laparoscopic versus open surgery for colorectal cancer from Japan Clinical Oncology Group Study JCOG0404. Annals gastroenterological Surg. 2019;3(3):301\u20139.","journal-title":"Annals gastroenterological Surg"},{"issue":"1","key":"3271_CR16","doi-asserted-by":"publisher","first-page":"394","DOI":"10.1007\/s00464-024-11407-4","volume":"39","author":"R Ono","year":"2025","unstructured":"Ono R, Nonaka T, Tominaga T, Ishii M, Hisanaga M, Araki M, et al. Effect of endoscopic surgical skill qualification system for laparoscopic rectal surgery: Japanese multicenter analysis. Surg Endosc. 2025;39(1):394\u2013400.","journal-title":"Surg Endosc"},{"issue":"5","key":"3271_CR17","doi-asserted-by":"publisher","first-page":"3068","DOI":"10.1007\/s00464-021-08605-9","volume":"36","author":"H Katayama","year":"2022","unstructured":"Katayama H, Tominaga T, Nonaka T, Wada H, To K, Hamada K, et al. Effect of endoscopic surgical skill qualification system for laparoscopic multivisceral resection: Japanese multicenter analysis. Surg Endosc. 2022;36(5):3068\u201375.","journal-title":"Surg Endosc"},{"issue":"1","key":"3271_CR18","doi-asserted-by":"publisher","first-page":"18","DOI":"10.1007\/s00423-024-03596-2","volume":"410","author":"M Ishii","year":"2024","unstructured":"Ishii M, Tominaga T, Nonaka T, Takamura Y, Oishi K, Hashimoto S, et al. Comparison of robotic and laparoscopic approaches in short- and long-term outcomes of lateral pelvic lymph node dissection for advanced rectal cancer: a Japanese multicenter study. Langenbecks Arch Surg. 2024;410(1):18.","journal-title":"Langenbecks Arch Surg"},{"issue":"4","key":"3271_CR19","doi-asserted-by":"publisher","first-page":"587","DOI":"10.1016\/j.jsurg.2013.12.010","volume":"71","author":"A Nanashima","year":"2014","unstructured":"Nanashima A, Hidaka S, Nonaka T, Yamasaki N, Tsuchiya T, Matsumoto K, et al. Recruitment of Young Medical Apprentices (RYOMA) project: a comprehensive surgical education program at a local academic institute in Japan. J Surg Educ. 2014;71(4):587\u201392.","journal-title":"J Surg Educ"},{"key":"3271_CR20","doi-asserted-by":"crossref","unstructured":"Takamura Y, Tominaga T, Nonaka T, Oishi K, Noda K, Hashimoto S, et al. Impact of institutional volume on short- and long-term outcomes after laparoscopic colectomy. Asian J Endosc Surg. 2024;17(2):e13295.","DOI":"10.1111\/ases.13295"},{"key":"3271_CR21","doi-asserted-by":"crossref","unstructured":"Tominaga T, Nonaka T, Hashimoto Y, Hamasaki K, Arai J, Matsumoto K et al. A surgical training system designed to help trainees acquire laparoscopic surgical skills at a rural Japanese institute. Surg Today. 2023.","DOI":"10.1007\/s00595-023-02713-w"}],"container-title":["Surgery Today"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00595-026-03271-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00595-026-03271-7","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00595-026-03271-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T11:41:06Z","timestamp":1784288466000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00595-026-03271-7"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,3,5]]},"references-count":21,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2026,8]]}},"alternative-id":["3271"],"URL":"https:\/\/doi.org\/10.1007\/s00595-026-03271-7","relation":{},"ISSN":["0941-1291","1436-2813"],"issn-type":[{"value":"0941-1291","type":"print"},{"value":"1436-2813","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,3,5]]},"assertion":[{"value":"18 July 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"21 October 2025","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"5 March 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"We have no conflicts of interest to declare.","order":1,"name":"Ethics","label":"Conflict of interest","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This study was performed in accordance with the principles of the Declaration of Helsinki. Approval was granted by the clinical research review boards of all participating hospitals.","order":2,"name":"Ethics","label":"Ethics approval","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The need to obtain informed consent for participation in this study was waived by the review board based on the retrospective nature of the study.","order":3,"name":"Ethics","label":"Consent to participate","group":{"name":"EthicsHeading","label":"Declarations"}}]}}