Theses and Dissertations

Advisor

Tolar-Peterson, Terezie

Committee Member

Gardner, Antonio

Committee Member

Mathews, Rahel

Date of Degree

12-10-2021

Document Type

Graduate Thesis - Open Access

Major

Nutrition

Degree Name

Master of Science (M.S.)

College

College of Agriculture and Life Sciences

Department

Department of Food Science, Nutrition and Health Promotion

Abstract

Irritable bowel syndrome (IBS) is a functional bowel disorder with 6.5% worldwide prevalence that causes gas production, abdominal distension, and abdominal pain or discomfort. This systematic review describes efficacy of the Low-Fermentable Oligosaccharides, Disaccharides, Monosaccharides And Polyols (FODMAP) diet (Low-FODMAP diet or LFD) to alleviate IBS symptoms using the PRISMA guidelines. Nine randomized controlled trials (RCT) and one non-RCT consecutive controlled study published between 2015 to 2019 were identified using PubMed and CENTRAL. Included studies involved adult IBS participants with symptoms of abdominal pain, constipation, and/or diarrhea. A total of 530 participants completed the interventions from the 10 studies included in the final systematic review with participants ranging from mean ages of 40.31±12.83 years. The LFD can be recommended to patients for its use with alleviating abdominal pain severity and quality of life; however, more research is needed to verify the efficacy of the LFD concerning stool frequency and consistency.

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