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Indocyanine green near-infrared fluorescence cholangiography (ICG-NIFC) is a well-recognized technique who provides an intraoperative mapping of the biliary system.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>All patients underwent urgent LC and randomly divided into two groups: in one group, only white light imaging was used and, in the ICG group, ICG was used. Due to the heterogeneity of our groups, a PSM was performed with a 1:1 PSM cohort.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The use of ICG clearly decreases the operation time (<jats:italic>p<\/jats:italic> value 0.002). The overall rate of intra- and post- operative complications was 4.17% and 15.8% respectively. Post-operative biliary duct injury trend decreases in ICG group and\u00a0after the homogenization of the 2 cohorts, the intra- and post- operative complications (including vascular and biliary duct injury) results changed with a highest rate of complication in the cohort with no-ICG administration.<\/jats:p>\n                <jats:p>The use of NIFC demonstrated a protective effect against intra- and post- operative complications and biliary duct injury (HR 0.037, <jats:italic>p<\/jats:italic> value 0.337 and HR 0.039, <jats:italic>p<\/jats:italic> value 0.647; HR 0.288; <jats:italic>p<\/jats:italic> value 0.05 and HR 0.635; <jats:italic>p<\/jats:italic> value 0.687, respectively).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>The intra-operative use of NIFC showed a trend in the reduction of the rate of intra- and post-operative complications, the duration of surgery, and the length of hospital stay. ICG is a highly safe approach to urgent and emergency LC, as for elective LC, and could lead the surgeon to conduct the procedure more efficiently.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00068-023-02340-7","type":"journal-article","created":{"date-parts":[[2023,8,4]],"date-time":"2023-08-04T04:01:58Z","timestamp":1691121718000},"page":"275-281","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Near-infrared indocyanine green fluorescent cholangiography in urgent and emergency laparoscopic cholecystectomy: a preliminary study after propensity score-matched study"],"prefix":"10.1007","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7230-2046","authenticated-orcid":false,"given":"Pasquale","family":"Losurdo","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carlotta","family":"Giunta","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Modica","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicol\u00f2","family":"de Manzini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marina","family":"Bortul","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,8,4]]},"reference":[{"key":"2340_CR1","doi-asserted-by":"publisher","first-page":"25","DOI":"10.1186\/s13017-016-0082-5","volume":"11","author":"L Ansaloni","year":"2016","unstructured":"Ansaloni L, Pisano M, Coccolini F, et al. 2016 WSES guidelines on acute calculous cholecystitis. 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