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IBS Associated with Celiac Disease?

Posted Aug 23 2009 12:00am

Photo montage of test tubes and a side-view silhouette of a person typing on a keyboard.

Celiac disease is four times as likely in patients diagnosed with irritable bowel syndrome (IBS) as it is in people without IBS, according to a report in the April 13, 2009, issue of the Archives of Internal Medicine.

A group of investigators headed by Alexander Ford, M.D., at the Health Sciences Centre, McMaster University, Hamilton, Ontario, Canada, searched databases containing studies published from 1950 through mid-2008 and identified 14 studies that involved patients diagnosed with IBS, tests for antibodies associated with celiac disease, and biopsy-confirmed celiac disease. The studies were then evaluated through meta-analysisa statistical approach that analyzes a single set of pooled data from numerous small studies designed to investigate similar hypotheses. In this case, the researchers assessed the likelihood of biopsy-proven celiac disease or positive findings for celiac antibodiesantigliadin antibodies, or either endomysial or tissue transglutaminase antibodiesin patients diagnosed with IBS.

The research group included investigators from McMaster University; the University of Michigan, Ann Arbor; the Mayo Clinic Florida in Jacksonville; the Mayo Clinic Rochester in Minnesota; and the UCLA School of Medicine.

The studies included 4,204 people, of whom 2,278or 54 percentmet diagnostic criteria for IBS. Analysis showed that prevalence of celiac disease in IBS patients was 4.1 times the prevalence in patients without IBS. Positive antigliadin antibodies were 4 times as likely and positive endomysial or tissue transglutaminase antibodies were 1.6 times as likely in IBS patients as in those without IBS.

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Photograph of the National Institute of Diabetes and Digestive and Kidney Diseases fact sheets "Irritable Bowel Syndrome" and "Irritable Bowel Syndrome (IBS) in Children"

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The National Institute of Diabetes and Digestive and Kidney Diseases has fact sheets and easy-to-read booklets about celiac disease and IBS at www.digestive.niddk.nih.gov/ddiseases/a-z.asp .

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