期刊
RHEUMATOLOGY
卷 47, 期 2, 页码 200-204出版社
OXFORD UNIV PRESS
DOI: 10.1093/rheumatology/kem339
关键词
health survey; cohort study; Escherichia coli o157; Campylobacter; environmental exposure; arthritis
类别
资金
- Canadian Institutes of Health Research [77819] Funding Source: Medline
Objectives. Reactive arthritis (ReA) may occur from bacterial gastroenteritis. We studied the risk of arthritis after an outbreak of Escherichia coli O157:H7 and Campylobacter species within a regional drinking water supply to examine the relationship between the severity of acute diarrhoea and subsequent symptoms of arthritis. Methods. Participants with no known history of arthritis before the outbreak participated in a long-term follow-up study. Of the 2299 participants, 788 were asymptomatic during the outbreak, 1034 had moderate symptoms of acute gastroenteritis and 477 had severe symptoms that necessitated medical attention. The outcomes of interest were new arthritis by self-report and a new prescription of medication for arthritis during the follow-up period. Results. After a mean follow-up of 4.5yrs after the outbreak, arthritis was reported in 15.7% of participants who had been asymptomatic during the outbreak, and in 17.6 and 21.6% of those who had moderate and severe symptoms of acute gastroenteritis, respectively (P-value for trend=0.009). Compared with the asymptomatic participants, those with moderate and severe symptoms of gastroenteritis had an adjusted relative risk of arthritis of 1.19 [95% confidence interval (CI) 0.99-1.43] and 1.33 (95% CI 1.07-1.66), respectively. No association was observed between gastroenteritis and the subsequent risk of prescription medication for arthritis (P=0.49). Conclusions. Acute bacterial gastroenteritis necessitating medical attention was associated with a higher risk of arthritic symptoms, but not arthritic medications, up to 4yrs afterwards. The nature and chronicity of these arthritic symptoms requires further study.
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