Original articlePostinfectious Irritable Bowel Syndrome After a Food-Borne Outbreak of Acute Gastroenteritis Attributed to a Viral Pathogen
Section snippets
Materials and Methods
The CSGNA Annual Meeting took place in September 2002, with 202 registered delegates. Immediately after the outbreak, local public health authorities initiated a comprehensive investigation that included standardized interviews, inspection of kitchen and dining facilities, and full review of menus and ingredients. No pathogen was identified among the 17 delegates who submitted stool samples. However, a Norwalk-like virus was implicated by the public health investigation on the basis of the
Survey Response
Surveys were mailed to the 197 of 202 conference participants for whom contact information was available. Response rates are summarized in Table 1.
Baseline Characteristics
Respondents were predominantly female (132 of 139, 95.0%), with mean age of 48 ± 6 years. Eighteen respondents (12.9%) reported a premorbid bowel habit consistent with IBS by Rome I criteria and were excluded from the cohort considered at risk of PI-IBS. Among the remaining 121 subjects, 91 (75.2%) reported an acute enteric illness during or
Discussion
These results support the overwhelming evidence that exposure to infectious gastroenteritis leads to new IBS symptoms in some individuals.2, 3, 4, 5, 6, 7, 8, 9, 10 However, this study assesses PI-IBS after acute viral gastroenteritis and is among very few to follow participants for more than 1 year. It also follows symptoms in a cohort of health care professionals, whose compliance is high and whose symptom reporting might be considered more reliable than that of the general population.
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Supported by a Hamilton Health Sciences Research Development Award.