2016-02-01 16:28:01 UTC

Time to Reconsider Fiber Recommendations in IBD Patients

Feb. 1, 2016

CGH study finds that dietary fiber is associated with reduced disease flares in Crohn’s, but not UC.

A new study in Clinical Gastroenterology and Hepatology (CGH), published as an epub ahead of print, offers insight into the role of fiber in IBD activity. The researchers report that intake of dietary fiber is associated with reduced disease flares in patients with Crohn’s disease, but not in those with ulcerative colitis.

Based on dietary surveys of participants in the Crohn’s and Colitis Foundation of America Partners Internet cohort, the study found striking differences in fiber consumption by disease type. Patients with ulcerative colitis consumed more fiber than did patients with Crohn’s disease. Female gender, prior hospitalization and prior surgery were all associated with lower fiber intake.

The relationship between fiber consumption and flare at six-month follow-up visit differed between patients with Crohn’s disease and ulcerative colitis. Patients with Crohn’s disease who reported that they did not avoid high-fiber foods were approximately 40 percent less likely to have a disease flare than those who avoided high-fiber foods. There was no association between fiber intake and flares in patients with ulcerative colitis.

The research team, led by Carol S. Brotherton, from the School of Nursing at George Mason University, Fairfax, Virginia, concluded by stating that recommendations to limit dietary fiber should be re-evaluated.

Read the full study on the CGH website (login required). 

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