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dc.contributor.authorHreinsson, Johann P
dc.contributor.authorÆgisdottir, Silja
dc.contributor.authorBjornsson, Einar S
dc.date.accessioned2019-09-17T15:17:54Z
dc.date.available2019-09-17T15:17:54Z
dc.date.issued2019-07
dc.date.submitted2019
dc.identifier.citationAcute lower gastrointestinal bleeding: A population-based five-year follow-up study. 2019, https://doi.org/10.1177/2050640619863517 United European Gastroenterol Jen_US
dc.identifier.issn2050-6406
dc.identifier.issn2050-6414
dc.identifier.issn2050-6406
dc.identifier.urihttp://hdl.handle.net/2336/621053
dc.descriptionTo access publisher's full text version of this article click on the hyperlink belowen_US
dc.description.abstractBackground Data on the natural history of acute lower gastrointestinal bleeding (ALGIB) are lacking. We evaluated five-year bleeding risk and mortality in ALGIB patients and controls. Furthermore, we aimed to find predictors of rebleeding. Methods This was a population-based retrospective case-control study conducted at the National University Hospital of Iceland, and included every individual who underwent endoscopy in 2010-2011. ALGIB was defined as rectal bleeding leading to hospitalisation or occurring in a hospitalised patient. Controls were randomly selected from those who underwent endoscopy in the same time period but who did not have GIB, and were matched for sex and age. Patients were followed up five years after index bleeding. Rebleeding was defined as ALGIB >14 days after index bleeding. Results In total, 2294 patients underwent 2602 colonoscopies in 2010-2011. Of those, 319 (14%) had ALGIB. The mean age for cases and controls was 64 and 65 years (+/- 19.3-20.7), respectively, and females accounted for 51-52% of the study population. For ALGIB patients, the five-year risk of a bleeding was 20% (95% confidence interval (CI) 15-24%) compared to 3% (95% CI 1-5%) in controls (log rank < 0.0001; co-morbidity-adjusted hazard ratio (HR) 6.9 (95% CI 3.4-14)). Only 37% of bleeders had the same cause of index bleeding and rebleeding. In ALGIB patients, age and inflammatory bowel disease (IBD) were predictors of rebleeding, with odds ratios per 10 years of 1.3 (95% CI 1.1-1.6) and 4.3 (95% CI 1.5-12), respectively. Bleeders did not have a higher risk of five-year mortality compared to controls (HR = 1.2; 95% CI 0.87-1.6). Conclusions One fifth of ALGIB patients had rebleeding during follow-up. Age and IBD were independent predictors of rebleeding. ALGIB was not associated with lower five-year survival.en_US
dc.language.isoenen_US
dc.publisherSage Publicationsen_US
dc.relation.urlhttps://journals.sagepub.com/doi/full/10.1177/2050640619863517en_US
dc.subjectMeltingarfærasjúkdómaren_US
dc.subjectLífslíkuren_US
dc.subject.meshGastrointestinal Hemorrhageen_US
dc.subject.meshPrognosisen_US
dc.subject.meshSurvivalen_US
dc.titleAcute lower gastrointestinal bleeding: A population-based five-year follow-up studyen_US
dc.typeArticleen_US
dc.contributor.department[ 1 ] Natl Univ Hosp Reykjavik, Dept Internal Med, Sect Gastroenterol & Hepatol, Reykjavik, Iceland Show more [ 2 ] Univ Iceland, Fac Med, Reykjavik, Icelanden_US
dc.identifier.journalUnited European Gastroenterology Journalen_US
dc.rights.accessNational Consortium - Landsaðganguren_US
dc.departmentcodeGAS12


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