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Effects of a high-fiber diet on symptoms of irritable bowel syndrome: a randomized clinical trial.
Nutrition. 2004 Sep; 20(9):735-7.N

Abstract

OBJECTIVE

We investigated the effects of dietary fiber on symptoms of irritable bowel syndrome.

METHODS

A single-blind randomized clinical trial was designed. Fifty-six subjects with irritable bowel syndrome were prospectively and randomly assigned to one of two groups: group 1 received a diet containing 10.4 g/d of fiber and group 2 received a diet containing 30.5 g/d of fiber. Patients' body weights, nutritional intakes as assessed with 3-d written food records, and symptom scores were assessed at baseline and at 3 mo.

RESULTS

There were no dropouts during the study. Total energy intake and the distribution of macronutrients were not significantly different between groups. Total dietary fiber intake did not reach recommended levels in either group but was higher in group 2 than in group 1 (25.95 +/- 2.12 g/d versus 6.06 +/- 2.7 g/d, P < 0.05). Initial fiber intake did not differ significantly between groups. Pain scores, bowel scores, and general scores improved in both groups (from baseline to 3 mo), and no significant differences were detected between groups.

CONCLUSIONS

A modest fiber intake in patients with irritable bowel syndrome relieved symptoms, but this therapeutic benefit of fiber may have been due to a placebo effect because the results were similar in the low-fiber group.

Authors+Show Affiliations

Institute of Endocrinology and Nutrition, Medical School, University of Valladolid, Spain.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

15325678

Citation

Aller, Rocio, et al. "Effects of a High-fiber Diet On Symptoms of Irritable Bowel Syndrome: a Randomized Clinical Trial." Nutrition (Burbank, Los Angeles County, Calif.), vol. 20, no. 9, 2004, pp. 735-7.
Aller R, de Luis DA, Izaola O, et al. Effects of a high-fiber diet on symptoms of irritable bowel syndrome: a randomized clinical trial. Nutrition. 2004;20(9):735-7.
Aller, R., de Luis, D. A., Izaola, O., la Calle, F., del Olmo, L., Fernandez, L., Arranz, T., & González Hernandez, J. M. (2004). Effects of a high-fiber diet on symptoms of irritable bowel syndrome: a randomized clinical trial. Nutrition (Burbank, Los Angeles County, Calif.), 20(9), 735-7.
Aller R, et al. Effects of a High-fiber Diet On Symptoms of Irritable Bowel Syndrome: a Randomized Clinical Trial. Nutrition. 2004;20(9):735-7. PubMed PMID: 15325678.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of a high-fiber diet on symptoms of irritable bowel syndrome: a randomized clinical trial. AU - Aller,Rocio, AU - de Luis,Daniel Antonio, AU - Izaola,Olatz, AU - la Calle,Fernando, AU - del Olmo,Lourdes, AU - Fernandez,Luis, AU - Arranz,Teresa, AU - González Hernandez,J M, PY - 2004/8/25/pubmed PY - 2005/3/18/medline PY - 2004/8/25/entrez SP - 735 EP - 7 JF - Nutrition (Burbank, Los Angeles County, Calif.) JO - Nutrition VL - 20 IS - 9 N2 - OBJECTIVE: We investigated the effects of dietary fiber on symptoms of irritable bowel syndrome. METHODS: A single-blind randomized clinical trial was designed. Fifty-six subjects with irritable bowel syndrome were prospectively and randomly assigned to one of two groups: group 1 received a diet containing 10.4 g/d of fiber and group 2 received a diet containing 30.5 g/d of fiber. Patients' body weights, nutritional intakes as assessed with 3-d written food records, and symptom scores were assessed at baseline and at 3 mo. RESULTS: There were no dropouts during the study. Total energy intake and the distribution of macronutrients were not significantly different between groups. Total dietary fiber intake did not reach recommended levels in either group but was higher in group 2 than in group 1 (25.95 +/- 2.12 g/d versus 6.06 +/- 2.7 g/d, P < 0.05). Initial fiber intake did not differ significantly between groups. Pain scores, bowel scores, and general scores improved in both groups (from baseline to 3 mo), and no significant differences were detected between groups. CONCLUSIONS: A modest fiber intake in patients with irritable bowel syndrome relieved symptoms, but this therapeutic benefit of fiber may have been due to a placebo effect because the results were similar in the low-fiber group. SN - 0899-9007 UR - https://www.unboundmedicine.com/medline/citation/15325678/Effects_of_a_high_fiber_diet_on_symptoms_of_irritable_bowel_syndrome:_a_randomized_clinical_trial_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0899900704001558 DB - PRIME DP - Unbound Medicine ER -