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Exclusion diets in irritable bowel syndrome: are they worthwhile?
A M McKee1, A Prior, P J Whorwell
1Department of Medicine, University Hospital of South Manchester, England.
Journal of Clinical Gastroenterology
|October 1, 1987
Summary
An antigen-exclusion diet showed limited effectiveness for irritable bowel syndrome (IBS) patients. Only 15% experienced symptom improvement, with diarrhea-predominant IBS showing slightly better response than constipation-predominant IBS.
Area of Science:
- Gastroenterology
- Clinical Nutrition
Background:
- Irritable bowel syndrome (IBS) is a common gastrointestinal disorder.
- Dietary interventions, such as antigen-exclusion diets, are explored for IBS management.
- Previous reports suggested high efficacy for antigen-exclusion diets in IBS.
Purpose of the Study:
- To evaluate the effectiveness of an antigen-exclusion diet in a cohort of patients with irritable bowel syndrome.
- To assess the impact of the diet on IBS symptoms and overall well-being.
Main Methods:
- Forty patients diagnosed with irritable bowel syndrome participated in the study.
- Participants followed an antigen-exclusion diet, consistent with prior research.
- Symptom improvement and changes in well-being were monitored.
Main Results:
- Only 15% of patients demonstrated significant improvement in irritable bowel syndrome symptoms attributed to food intolerance.
- An additional 12.5% reported improved well-being, not clearly linked to specific food exclusions.
- Patients with diarrhea-predominant IBS showed a better response rate (3/8) compared to those with constipation, who did not improve.
Conclusions:
- The antigen-exclusion diet demonstrated limited efficacy for the general irritable bowel syndrome population studied.
- Dietary interventions may have varied effects based on IBS subtype, with diarrhea-predominant IBS responding better.
- Further research is needed to identify specific triggers and optimize dietary strategies for IBS management.