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Estimation of Sjögren's syndrome among IBD patients. A six year post-diagnostic prevalence study
Øyvind Palm1, Bjørn Moum, Jan Tore Gran
1Department of Rheumatology, Østfold Central Hospital, Sarpsborg, Roald Amundsens gate 17, NO-1723 Sarpsborg, Norway. opalm@sensewave.com
Objective:
To study the prevalence of Sjögren's syndrome (SS), tear and saliva production and sicca symptoms in patients with inflammatory bowel disease (IBD) seen six years after IBD diagnosis.
Methods:
In a population based cohort of 654 patients with IBD, 521 patients (80%) and a control group consisting of 68 healthy subjects were investigated. SS was diagnosed according to the European Criteria proposed by the American-European Consensus Group (US-EU criteria) and the European criteria. Maximum (supposing positive biopsies) and minimum prevalences (supposing negative biopsies) were estimated.
Results:
Dryness of eyes and mouth were similarly distributed between patients with ulcerative colitis (UC) and Crohn's disease (CD) and between patients and controls. The prevalence of SS was 0-4.2% and 0-5.7% (minimum-maximum) according to the US-EU criteria and the European criteria, respectively. The controls fulfilled neither of the criteria.
Conclusion:
Sjögren's syndrome, sicca symptoms, tear and saliva production were not increased in patients with IBD compared to controls, indicating a lack of association between SS and IBD.