{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,26]],"date-time":"2026-01-26T20:01:53Z","timestamp":1769457713456,"version":"3.49.0"},"reference-count":17,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,1,28]],"date-time":"2021-01-28T00:00:00Z","timestamp":1611792000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Hepato Biliary Pancreat"],"published-print":{"date-parts":[[2021,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>To explore best practices for acute cholecystitis, it is necessary to construct a system to assess the difficulty of laparoscopic cholecystectomy (LC) based on intraoperative findings. In this study, multiple evaluators assessed videos of LC to assemble a library of typical video clips for 25 intraoperative findings.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We have previously identified 25 items that contribute to surgical difficulty in LC. For each item, roughly 30\u2010second video clips were submitted from videos of LC performed at member institutions. We then selected one typical video from the collected clips based on simple tabulation of the instances of agreement. Inter\u2010rater agreement was assessed with Fleiss's \u03ba and Gwet's agreement coefficient (AC).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Except in the case of two assessment items (\u201cedematous change\u201d and \u201ceasy bleeding\u201d), \u03ba or AC significantly exceeded 0.5 and the typical videos were judged to be applicable. For the two remaining items, the evaluation was repeated after clarifying the definitions of positive and negative findings. Eventually, they were recognized as typical. The completed video clip library contains 31 clips and is divided into five categories (<jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"http:\/\/www.jshbps.jp\/modules\/project\/index.php?content_id=13\">http:\/\/www.jshbps.jp\/modules\/project\/index.php?content_id=13<\/jats:ext-link>).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This clip library may be highly useful in clinical settings as a more objective standard for assessing surgical difficulty in LC.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jhbp.871","type":"journal-article","created":{"date-parts":[[2020,12,2]],"date-time":"2020-12-02T01:24:36Z","timestamp":1606872276000},"page":"255-262","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Assembling a library of typical surgery video clips to construct a system for assessing the surgical difficulty of laparoscopic cholecystectomy"],"prefix":"10.1002","volume":"28","author":[{"given":"Masanao","family":"Kurata","sequence":"first","affiliation":[{"name":"Department of Gastrointestinal and Hepato\u2010Biliary\u2010Pancreatic Surgery Faculty of Medicine University of Tsukuba Tsukuba Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yukio","family":"Iwashita","sequence":"additional","affiliation":[{"name":"Department of Gastroenterological and Pediatric Surgery Faculty of Medicine Oita University Oita Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tetsuji","family":"Ohyama","sequence":"additional","affiliation":[{"name":"Biostatistics Center Kurume University Fukuoka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5520-8114","authenticated-orcid":false,"given":"Itaru","family":"Endo","sequence":"additional","affiliation":[{"name":"Department of Gastroenterological Surgery Yokohama City University Graduate School of Medicine Kanagawa Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6867-228X","authenticated-orcid":false,"given":"Taizo","family":"Hibi","sequence":"additional","affiliation":[{"name":"Department of Pediatric Surgery and Transplantation Kumamoto University Graduate School of Medical Sciences Kumamoto Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akiko","family":"Umezawa","sequence":"additional","affiliation":[{"name":"Minimally Invasive Surgery Center Yotsuya Medical Cube Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenji","family":"Suzuki","sequence":"additional","affiliation":[{"name":"Department of Surgery Fujinomiya City General Hospital Shizuoka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Manabu","family":"Watanabe","sequence":"additional","affiliation":[{"name":"Department of Surgery Toho University Ohashi Medical Center Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4068-3622","authenticated-orcid":false,"given":"Koji","family":"Asai","sequence":"additional","affiliation":[{"name":"Department of Surgery Toho University Ohashi Medical Center Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9928-3933","authenticated-orcid":false,"given":"Yasuhisa","family":"Mori","sequence":"additional","affiliation":[{"name":"Department of Surgery and Oncology Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masaharu","family":"Higashida","sequence":"additional","affiliation":[{"name":"Department of Digestive Surgery Kawasaki Medical School Okayama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yusuke","family":"Kumamoto","sequence":"additional","affiliation":[{"name":"Department of General, Pediatric and Hepatobiliary\u2010Pancreatic Surgery Kitasato University School of Medicine Sagamihara Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6013-456X","authenticated-orcid":false,"given":"Junichi","family":"Shindoh","sequence":"additional","affiliation":[{"name":"Hepato\u2010Biliary\u2010Pancreatic Surgery Division Department of Gastroenterological Surgery Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masahiro","family":"Yoshida","sequence":"additional","affiliation":[{"name":"Department of Hemodialysis and Surgery International University of Health and Welfare Ichikawa Hospital Chiba Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1162-4535","authenticated-orcid":false,"given":"Goro","family":"Honda","sequence":"additional","affiliation":[{"name":"Department of Gastroenterological Surgery New Tokyo Hospital Matsudo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takeyuki","family":"Misawa","sequence":"additional","affiliation":[{"name":"Department of Surgery Teikyo University School of Medicine Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuta","family":"Abe","sequence":"additional","affiliation":[{"name":"Department of Surgery Keio University School of Medicine Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1169-8160","authenticated-orcid":false,"given":"Yuichi","family":"Nagakawa","sequence":"additional","affiliation":[{"name":"Department of Gastrointestinal and Pediatric Surgery Tokyo Medical University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naoyuki","family":"Toyota","sequence":"additional","affiliation":[{"name":"Department of Surgery Teikyo University School of Medicine Tokyo Japan"},{"name":"Department of Surgery Sainokuni Higashiomiya Medical Center Saitama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shigetoshi","family":"Yamada","sequence":"additional","affiliation":[{"name":"Department of Surgery Tajimi city hospital Gifu Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shinji","family":"Norimizu","sequence":"additional","affiliation":[{"name":"Department of Surgery Japanese Red Cross Nagoya Daini Hospital Aichi Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naoki","family":"Matsumura","sequence":"additional","affiliation":[{"name":"Department of Surgery Tohoku Rosai Hospital Miyagi Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naohiro","family":"Sata","sequence":"additional","affiliation":[{"name":"Department of Surgery Division of Gastroenterological, General and Transplant Surgery Jichi Medical University Tochigi 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