Cited by 719Gut microbiota and healthGastrointestinal motility and disordersMicroscopic Colitis

Gut Microbiota in Patients With Irritable Bowel Syndrome—A Systematic Review

Pittayanon, Rapat, Lau, Jennifer T., Yuan, Yuhong, Leontiadis, Grigorios I., Tse, Frances, Surette, Michael, Moayyedi, Paul·2019·Gastroenterology

Abstract

Background & aims Irritable bowel syndrome (IBS) is common but difficult to treat. Altering the gut microbiota has been proposed as a strategy for treatment of IBS, but the association between the gut microbiome and IBS symptoms has not been well established. We performed a systematic review to explore evidence for this association. Methods We searched databases, including MEDLINE, EMBASE, Cochrane CDSR, and CENTRAL, through April 2, 2018 for case-control studies comparing the fecal or colon microbiomes of adult or pediatric patients with IBS with microbiomes of healthy individuals (controls). The primary outcome was differences in specific gut microbes between patients with IBS and controls. Results The search identified 2631 citations; 24 studies from 22 articles were included. Most studies evaluated adults presenting with various IBS subtypes. Family Enterobacteriaceae (phylum Proteobacteria), family Lactobacillaceae, and genus Bacteroides were increased in patients with IBS compared with controls, whereas uncultured Clostridiales I, genus Faecalibacterium (including Faecalibacterium prausnitzii), and genus Bifidobacterium were decreased in patients with IBS. The diversity of the microbiota was either decreased or not different in IBS patients compared with controls. More than 40% of included studies did not state whether cases and controls were comparable (did not describe sex and/or age characteristics). Conclusions In a systematic review, we identified specific bacteria…

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Crossref · 10.1053/j.gastro.2019.03.049

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  • Small intestinal bacterial overgrowth has also been implicated, but its role is controversial due, in large part, to limitations of available diagnostic tests, such as glucose and lactulose breath tests and culture of jejunal aspirates.

    “Small intestinal bacterial overgrowth (SIBO), has also been implicated, 44 but its role is controversial due, in large part, to limitations of available diagnostic tests, such as glucose and lactulose breath tests 45 and culture of jejunal aspirates. 46”

    From Irritable bowel syndrome (2020) · cites this paper as [45]

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Authors
Pittayanon, R., Lau, J. T., Yuan, Y., Leontiadis, G. I., Tse, F., Surette, M., & Moayyedi, P.
Affiliations
  • Thai Red Cross Society (TH)
  • McMaster University (CA)
Corresponding author
Moayyedi, Paul
Venue
Gastroenterology
Publisher
Elsevier BV
Published
2019-07
Volume
157
Issue
1
Pages
97-108
ISSN
0016-5085 (ISSN-L)
OpenAlex
W2934588014
Cited by
719
References
7
Citations by year
2026: 71 · 2025: 94 · 2024: 121 · 2023: 114 · 2022: 129 · 2021: 104 · 2020: 67 · 2019: 18
FWCI
7.20
Type
journal article
Language
en
Open access
closed
Locations
  • Gastroenterology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Canadian Institutes of Health Research (RN279389–358033)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Health Sciences › Medicine › Epidemiology › Microscopic Colitis
Keywords
irritable bowel syndrome, gut microbiota, microbiome, IBS subtypes, Enterobacteriaceae, Lactobacillaceae, Bacteroides, Faecalibacterium prausnitzii, Bifidobacterium, Clostridiales, microbial diversity, fecal microbiota, colon microbiome, microbiota-based therapy
MeSH terms
Eubacteriales, Clostridiales, Gastrointestinal Microbiome, Faecalibacterium, Bacteroides, Bifidobacterium, Enterobacteriaceae, Humans, Lactobacillaceae, Irritable Bowel Syndrome

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