Evidence map›Paper›PMID 38037191›Full record

ArticleInflammatory bowel diseases2024

Altered Bile Acid and Pouch Microbiota Composition in Patients With Chronic Pouchitis.

Priscila Santiago, Kevin P Quinn, Jun Chen, Jessica J Friton, Chad R Rypstra, Purna C Kashyap, Laura E Raffals

Open access · greenAbstract read
In one paragraph

Article in Inflammatory bowel diseases, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
5.0field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed, 1 synthesis or guideline pooled it, 16 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Review
  4. Article
  5. Article
  6. Review
  7. Article
  8. Primary Prevention of Pouchitis.Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association · 2025
    Article
  9. Review
  10. Review
  11. Onset of pouchitis after colectomy for ulcerative colitis: reducing the risk.Expert review of gastroenterology & hepatology · 2025
    Article
  12. Review
  13. Review
  14. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

Priscila SantiagoDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, United States.ORCID 0000-0003-2231-2884
Kevin P QuinnDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, United States.
Jun ChenDivision of Computational Biology, Mayo Clinic, Rochester, United States.ORCID 0000-0002-1273-5624
Jessica J FritonDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, United States.
Chad R RypstraDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, United States.
Purna C KashyapDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, United States.
Laura E RaffalsDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, United States.ORCID 0000-0002-5267-2592
Mayo Clinic in Arizona · USMayo Clinic · US

Funding

Mayo Clinic Center for Translational Science ActivitiesUL1TR000135 · NCATS · MAYO CLINIC ROCHESTER · PI KHOSLA, SUNDEEP · 2012 to 2015
$41.2M
Mechanisms of alteration of GI physiology by gut microbesR01DK114007 · NIDDK · MAYO CLINIC ROCHESTER · PI Purna C Kashyap · 2017 to 2026
$4.7M
MECHANISMS OF VISCERAL PAIN DRIVEN BY SMALL INTESTINAL MICROBIOTAR01DK138818 · NIDDK · MAYO CLINIC ROCHESTER · PI Arthur Beyder, Purna C Kashyap · 2023 to 2026
$3.9M
NCATS NIH HHSNCATS NIH HHS UL1 TR000135NIDDK NIH HHS R01 DK114007NIDDK NIH HHS R01 DK138818NIH HHS
6 · The paper itself

Abstract

backgroundPatients with ulcerative colitis and total abdominal proctocolectomy with ileal pouch-anal anastomosis have a 50% risk of pouchitis and a 5% to 10% risk of chronic pouchitis.

aimsThe goal of the study was to compare pouch microbiota and stool bile acid composition in patients with chronic pouchitis, chronic pouchitis and primary sclerosing cholangitis, and normal pouch.

methodsPatients with ulcerative colitis and ileal pouch-anal anastomosis were recruited from March 20, 2014, to August 6, 2019, and categorized into normal pouch, chronic pouchitis, and chronic pouchitis/primary sclerosing cholangitis groups. Stool samples were subjected to bile acid quantification and 16S rRNA gene sequencing. Statistical comparisons of absolute bile acid abundance and pouch microbiota α-diversity, β-diversity, and taxa abundance were performed among the patient groups.

resultsA total of 51 samples were analyzed. Both α-diversity (P = .01, species richness) and β-diversity (P = .001) significantly differed among groups. Lithocholic acid was significantly lower in patients with chronic pouchitis/primary sclerosing cholangitis than in those with chronic pouchitis (P = .01) or normal pouch (P = .03). Decreased α-diversity was associated with an increased primary to secondary bile acid ratio (P = .002), which was also associated with changes in β-diversity (P = .006).

conclusionsPouch microbiota α- and β-diversity differed among patients with normal pouch, chronic pouchitis, and chronic pouchitis/primary sclerosing cholangitis. Lithocholic acid level and primary to secondary bile acid ratio were highly associated with pouch microbiota richness, structure, and composition. These findings emphasize the associations between pouch microbiota and bile acid composition in dysbiosis and altered metabolism, suggesting that secondary bile acids are decreased in chronic pouchitis.

Indexed as

Bile Acids and SaltsCholangitis, SclerosingColitis, UlcerativeFecesGastrointestinal MicrobiomePouchitisProctocolectomy, RestorativeAdultChronic DiseaseColonic PouchesFemaleHumansMaleMiddle AgedRNA, Ribosomal, 16SBile Acids and SaltsRNA, Ribosomal, 16Sinflammatory bowel diseasemicrobiomepouchitisprimary sclerosing cholangitisulcerative colitis

Identifiers

PMID38037191
PMCPMC11219471
OpenAlexW4389228764

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.