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Risk of uveitis and inflammatory bowel disease in people with psoriatic arthritis: a population-based cohort study.

Ann Rheum Dis; 2017 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-29092855
OBJECTIVES: To determine the risk of uveitis and inflammatory bowel disease (IBD) in patients with psoriatic arthritis (PsA) compared with the general population and patients with psoriasis. METHODS: A cohort study using data from the UK Clinical Practice Research Datalink between 1998 and 2014. Patients with incident PsA aged 18-89 years were identified and matched to a cohort of patients with psoriasis and a general population cohort. The incidence of uveitis, all IBD, Crohn's disease and ulcerative colitis was calculated for each study cohort and adjusted relative risks (RR ) were calculated using conditional Poisson regression. RESULTS: 6783 incident cases of PsA were identified with a median age of 49 years. The risk of uveitis was significantly higher in the PsA cohort than in the general population and psoriasis cohorts (RR 3.55, 95% CI 2.21 to 5.70 and RR 2.13, 95% CI 1.40 to 3.24, respectively). A significant increase was observed for Crohn's disease (RR 2.96, 95% CI 1.46 to 6.00 and RR 3.60, 95% CI 1.83 to 7.10) but not for ulcerative colitis (RR 1.30, 95% CI 0.66 to 2.56 and RR 0.98, 95% CI 0.50 to 1.92). CONCLUSIONS: In a primary care-based incidence cohort of patients with PsA, there were substantial risks of developing uveitis and/or Crohn's disease, but not ulcerative colitis, when compared with the general population and psoriasis controls.