<> <http://www.w3.org/2000/01/rdf-schema#comment> "The repository administrator has not yet configured an RDF license."^^<http://www.w3.org/2001/XMLSchema#string> . <> <http://xmlns.com/foaf/0.1/primaryTopic> <https://discovery.ucl.ac.uk/id/eprint/10181350> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/AcademicArticle> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/Article> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/dc/terms/title> "Prognostic factors to identify resolution of small bowel obstruction without need for operative management: systematic review"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/ontology/bibo/abstract> "OBJECTIVES: To identify imaging, clinical, and laboratory variables potentially prognostic for surgical management of small bowel obstruction. METHODS: Two researchers systematically reviewed indexed literature 2001-2021 inclusive for imaging, clinical, and laboratory variables potentially predictive of surgical management of small bowl obstruction and/or ischaemia at surgery, where performed. Risk of bias was assessed. Contingency tables for variables reported in at least 5 studies were extracted and meta-analysed to identify strong evidence of association with clinical outcomes, across studies. RESULTS: Thirty-one studies were ultimately included, reporting 4638 patients (44 to 313 per study). 11 (35%) studies raised no risk of bias concerns. CT was the modality reported most (29 studies, 94%). Meta-analysis of 21 predictors identified 5 strongly associated with surgical intervention, 3 derived from CT (peritoneal free fluid, odds ratio [OR] 3.24, 95%CI 2.45 to 4.29; high grade obstruction, OR 3.58, 95%CI 2.46 to 5.20; mesenteric inflammation, OR 2.61, 95%CI 1.94 to 3.50; abdominal distension, OR 2.43, 95%CI 1.34 to 4.42; peritonism, OR 3.97, 95%CI 2.67 to 5.90) and one with conservative management (previous abdominopelvic surgery, OR 0.58, 95%CI 0.40 to 0.85). Meta-analysis of 10 predictors identified 3 strongly associated with ischaemia at surgery, 2 derived from CT (peritoneal free fluid, OR 3.49, 95%CI 2.28 to 5.35; bowel thickening, OR 3.26 95%CI 1.91 to 5.55; white cell count, OR 4.76, 95%CI 2.71 to 8.36). CONCLUSIONS: Systematic review of patients with small bowel obstruction identified four imaging, three clinical, and one laboratory predictors associated strongly with surgical intervention and/or ischaemia at surgery. CLINICAL RELEVANCE STATEMENT: Via systematic review and meta-analysis, we identified imaging, clinical, and laboratory predictors strongly associated with surgical management of small bowel obstruction and/or ischaemia. Multivariable model development to guide management should incorporate these since they display strong evidence of potential utility. KEY POINTS: • While multivariable models incorporating clinical, laboratory, and imaging factors could predict surgical management of small bowel obstruction, none are used widely. • Via systematic review and meta-analysis we identified imaging, clinical, and laboratory variables strongly associated with surgical management and/or ischaemia at surgery. • Development of multivariable models to guide management should incorporate these predictors, notably CT scanning, since they display strong evidence of potential utility."^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/dc/terms/date> "2023-11-08" . <https://discovery.ucl.ac.uk/id/document/1677430> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/Document> . <https://discovery.ucl.ac.uk/id/org/ext-dcea299cf48188065b5f59a4cae50003> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Organization> . <https://discovery.ucl.ac.uk/id/org/ext-dcea299cf48188065b5f59a4cae50003> <http://xmlns.com/foaf/0.1/name> "Springer Science and Business Media LLC"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/dc/terms/publisher> <https://discovery.ucl.ac.uk/id/org/ext-dcea299cf48188065b5f59a4cae50003> . <https://discovery.ucl.ac.uk/id/publication/ext-6f2eabcbcb8013e6580d5b0df0654f17> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/Collection> . <https://discovery.ucl.ac.uk/id/publication/ext-6f2eabcbcb8013e6580d5b0df0654f17> <http://xmlns.com/foaf/0.1/name> "European Radiology"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/dc/terms/isPartOf> <https://discovery.ucl.ac.uk/id/publication/ext-6f2eabcbcb8013e6580d5b0df0654f17> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/ontology/bibo/status> <http://purl.org/ontology/bibo/status/forthcoming> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-a72951a27ab5021b3e856068b8a4a9e5> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10181350#authors> . <https://discovery.ucl.ac.uk/id/eprint/10181350#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_1> <https://discovery.ucl.ac.uk/id/person/ext-a72951a27ab5021b3e856068b8a4a9e5> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-0737d9da59b3ac030be73859e253a042> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10181350#authors> . <https://discovery.ucl.ac.uk/id/eprint/10181350#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_2> <https://discovery.ucl.ac.uk/id/person/ext-0737d9da59b3ac030be73859e253a042> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-e8315d2ef32520a269b6318c455c8d01> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10181350#authors> . <https://discovery.ucl.ac.uk/id/eprint/10181350#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_3> <https://discovery.ucl.ac.uk/id/person/ext-e8315d2ef32520a269b6318c455c8d01> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-7684d55f9885322e1dcd4ec601218beb> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10181350#authors> . <https://discovery.ucl.ac.uk/id/eprint/10181350#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_4> <https://discovery.ucl.ac.uk/id/person/ext-7684d55f9885322e1dcd4ec601218beb> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-657e2b35c14f5a0d29c1e5704e324adf> . <https://discovery.ucl.ac.uk/id/eprint/10181350> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10181350#authors> . <https://discovery.ucl.ac.uk/id/eprint/10181350#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_5> <https://discovery.ucl.ac.uk/id/person/ext-657e2b35c14f5a0d29c1e5704e324adf> . <https://discovery.ucl.ac.uk/id/person/ext-0737d9da59b3ac030be73859e253a042> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-0737d9da59b3ac030be73859e253a042> <http://xmlns.com/foaf/0.1/givenName> "Tom"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-0737d9da59b3ac030be73859e253a042> <http://xmlns.com/foaf/0.1/familyName> "Parry"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-0737d9da59b3ac030be73859e253a042> <http://xmlns.com/foaf/0.1/name> "Tom Parry"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-a72951a27ab5021b3e856068b8a4a9e5> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-a72951a27ab5021b3e856068b8a4a9e5> <http://xmlns.com/foaf/0.1/givenName> "Vivienne N"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-a72951a27ab5021b3e856068b8a4a9e5> <http://xmlns.com/foaf/0.1/familyName> "Eze"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-a72951a27ab5021b3e856068b8a4a9e5> <http://xmlns.com/foaf/0.1/name> "Vivienne N Eze"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-7684d55f9885322e1dcd4ec601218beb> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-7684d55f9885322e1dcd4ec601218beb> <http://xmlns.com/foaf/0.1/givenName> "Sue"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-7684d55f9885322e1dcd4ec601218beb> <http://xmlns.com/foaf/0.1/familyName> "Mallett"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-7684d55f9885322e1dcd4ec601218beb> <http://xmlns.com/foaf/0.1/name> "Sue Mallett"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-657e2b35c14f5a0d29c1e5704e324adf> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-657e2b35c14f5a0d29c1e5704e324adf> <http://xmlns.com/foaf/0.1/givenName> "Steve"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-657e2b35c14f5a0d29c1e5704e324adf> <http://xmlns.com/foaf/0.1/familyName> "Halligan"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-657e2b35c14f5a0d29c1e5704e324adf> <http://xmlns.com/foaf/0.1/name> "Steve Halligan"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-e8315d2ef32520a269b6318c455c8d01> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-e8315d2ef32520a269b6318c455c8d01> <http://xmlns.com/foaf/0.1/givenName> "Darren"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-e8315d2ef32520a269b6318c455c8d01> <http://xmlns.com/foaf/0.1/familyName> "Boone"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-e8315d2ef32520a269b6318c455c8d01> <http://xmlns.com/foaf/0.1/name> "Darren 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