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Faecal Calprotectin for the Diagnosis of Bowel Inflammation in Patients With Rheumatological Diseases: A Systematic Review

Abstract : BACKGROUND AND AIMS: Endoscopic and histologic gut inflammation are present in half of patients with ankylosing spondylitis (AS) or spondyloarthritis (SpA). We performed a systematic literature review on the use of fecal calprotectin (FC) in patients with rheumatic diseases. METHODS: Searches of the Pubmed, Web of science, and Cochrane library databases were performed up to September 2019 to identify all studies including adult patients with confirmed diagnosis of SpA or AS. RESULTS: Seven studies met the inclusion criteria: 6 prospective observational studies and one retrospective observational study. Study populations consisted of SpA patients in 4 studies and AS patients in 3 studies. In six studies an ELISA test was used for FC dosage, while in one case a semi-quantitative assay was adopted. In all included studies, patients with SpA or AS had elevated FC levels ranging from 21.2% to 70.7% of patients. In six studies patients with increased FC levels had macroscopic mucosal inflammation, ranging from 11% to 80% of cases. Four studies highlighted the presence of microscopic alterations in patients with high FC levels, ranging from 41.7% to 100% of patients. A FC cut-off level predicting the IBD occurrence was found in two studies: 266 mg/kg and 132 mg/kg with sensitivity and specificity of 100%, 78.7% and 66.7%, 76.9% respectively. CONCLUSION: Fecal calprotectin is a useful and non-invasive marker to predict IBD in patients with SpA or AS. Gut histological and macroscopic mucosal inflammation were found in up to 100% and 80% of rheumatological patients with increased FC levels. Copyright © 2019 European Crohn’s and Colitis Organisation (ECCO). Published by Oxford University Press. All rights reserved. For permissions, please email:
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Submitted on : Monday, April 20, 2020 - 4:04:09 PM
Last modification on : Tuesday, April 19, 2022 - 10:14:09 AM



Marine Fauny, Ferdinando D’amico, Stefanos Bonovas, Patrick Netter, Silvio Danese, et al.. Faecal Calprotectin for the Diagnosis of Bowel Inflammation in Patients With Rheumatological Diseases: A Systematic Review. Journal of Crohn's and Colitis, Elsevier - Oxford University Press, 2020, 14 (5), pp.688-693. ⟨10.1093/ecco-jcc/jjz205⟩. ⟨hal-02548339⟩



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