Document Detail


The role of diet in symptoms of irritable bowel syndrome in adults: a narrative review.
MedLine Citation:
PMID:  19559137     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This review summarizes what is known about the effect of diet on irritable bowel syndrome (IBS) symptoms emphasizing data from randomized, controlled clinical trials. Studies suggest that IBS symptoms in one quarter of patients may be caused or exacerbated by one or more dietary components. Recent studies indicate that a diet restricted in fermentable, poorly absorbed carbohydrates, including fructose, fructans (present in wheat and onions), sorbitol, and other sugar alcohols is beneficial, but confirmatory studies are needed. Despite a long history of enthusiastic use, fiber is marginally beneficial. Insoluble fiber may worsen symptoms. Some patients with IBS, especially those with constipation, will improve with increased intake of soluble fiber. Prebiotic fibers have not been adequately tested. Daily use of peppermint oil is effective in relieving IBS symptoms. The usefulness of probiotics in the form of foods such as live-culture yogurt and buttermilk for IBS symptoms is not established. In clinical practice, it is very difficult to establish that a patient's symptoms result from an adverse reaction to food. A double blind placebo-controlled food challenge is the most reliable method, but it is not suitable for routine clinical use. A modified exclusion diet and stepwise reintroduction of foods or trials of eliminating classes of food may be useful.
Authors:
William D Heizer; Susannah Southern; Susan McGovern
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Journal of the American Dietetic Association     Volume:  109     ISSN:  1878-3570     ISO Abbreviation:  J Am Diet Assoc     Publication Date:  2009 Jul 
Date Detail:
Created Date:  2009-06-29     Completed Date:  2009-07-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503061     Medline TA:  J Am Diet Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1204-14     Citation Subset:  AIM; IM    
Affiliation:
Division of Gastroenterology and Hepatology, University of North Carolina School of Medicine, Chapel Hill, USA. wdheizer@earthlink.net
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MeSH Terms
Descriptor/Qualifier:
Constipation / diet therapy,  etiology
Diet* / adverse effects
Dietary Fiber / therapeutic use
Fermentation
Food Hypersensitivity / complications,  physiopathology
Fructose Intolerance / complications,  physiopathology
Humans
Irritable Bowel Syndrome / diet therapy*,  etiology,  metabolism*
Lactose Intolerance / complications,  physiopathology
Plant Oils / therapeutic use
Probiotics / therapeutic use
Randomized Controlled Trials as Topic
Sorbitol / adverse effects,  metabolism
Chemical
Reg. No./Substance:
0/Plant Oils; 50-70-4/Sorbitol; 8006-90-4/peppermint oil

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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