{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T07:06:33Z","timestamp":1791875193619,"version":"4.3.4"},"reference-count":31,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2022,3,18]],"date-time":"2022-03-18T00:00:00Z","timestamp":1647561600000},"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":["Asian J Endoscop Surgery"],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Subtotal cholecystectomy (STC) has become recognized as a \u201cbailout procedure\u201d to prevent bile duct injury in patients undergoing laparoscopic cholecystectomy (LC). Predictors of conversion to STC have not been identified because LC difficulty varies based on pericholecystic inflammation. We analyzed data from patients enrolled in a previously performed multi\u2010institutional retrospective study of the optimal timing of LC after gallbladder drainage for acute cholecystitis (AC). These patients presumably had a considerable degree of pericholecystic inflammation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In total, 347 patients who underwent LC after gallbladder drainage for AC were analyzed to examine preoperative and perioperative factors predicting conversion to STC.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Three hundred patients underwent total cholecystectomy (TC) and 47 underwent conversion to STC. Eastern Cooperative Oncology Group Performance Status (ECOG PS) (<jats:italic>P<\/jats:italic>\u00a0&lt;\u2009.01), severity of cholecystitis (<jats:italic>P<\/jats:italic>\u00a0=\u2009.04), previous history of treatment for common bile duct stones (CBDS) (<jats:italic>P<\/jats:italic>\u00a0&lt;\u2009.01), and surgeon experience (<jats:italic>P<\/jats:italic>\u00a0=\u2009.03) were significantly associated with conversion to STC. Logistic regression analyses showed that ECOG PS (odds ratio 0.2; <jats:italic>P<\/jats:italic>\u00a0&lt;\u2009.0001) and previous history of treatment for CBDS (odds ratio 0.37; <jats:italic>P<\/jats:italic>\u00a0=\u2009.0073) were independent predictors of conversion to STC. Our predictive risk score using these two variables suggested that a score\u2009\u22652 could discriminate between TC and STC (<jats:italic>P<\/jats:italic>\u00a0&lt;\u2009.0001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Poor ECOG PS and previous history of treatment for CBDS were significantly associated with conversion to STC after gallbladder drainage for AC.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ases.13051","type":"journal-article","created":{"date-parts":[[2022,3,18]],"date-time":"2022-03-18T09:19:45Z","timestamp":1647595185000},"page":"555-562","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Preoperative risk score to predict subtotal cholecystectomy after gallbladder drainage for acute cholecystitis: Secondary analysis of data from a multi\u2010institutional retrospective study (<scp>CSGO\u2010HBP\u2010017B<\/scp>)"],"prefix":"10.1111","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4392-1187","authenticated-orcid":false,"given":"Hideo","family":"Tomihara","sequence":"first","affiliation":[{"name":"Department of Surgery, Faculty of Medicine Nara Hospital, Kindai University  Ikoma Japan"},{"name":"Hepato\u2010Biliary\u2010Pancreatic Group Clinical Study Group of Osaka University  Osaka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4432-060X","authenticated-orcid":false,"given":"Yoshito","family":"Tomimaru","sequence":"additional","affiliation":[{"name":"Hepato\u2010Biliary\u2010Pancreatic Group Clinical Study Group of Osaka University  Osaka Japan"},{"name":"Department of Surgery Toyonaka Municipal Hospital  Toyonaka Japan"},{"name":"Department of Gastroenterological Surgery Graduate School of Medicine, Osaka University  Suita 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