Risk Factors for Gastrointestinal Symptoms Following Successful Eradication of Clostridium difficile by Fecal Microbiota Transplantation (FMT)

Jessica R. Allegretti, Zain Kassam, Monika Fischer, Colleen Kelly, Walter W. Chan

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Background: Fecal microbiota transplantation (FMT) is a promising therapy for recurrent Clostridioides difficile infection (CDI). Many patients report altered bowel habits including constipation, bloating, gas and loose stool post-FMT despite resolution of CDI, and the etiology remains unclear. Methods: This was a prospective cohort study of adult patients with recurrent CDI who underwent FMT (1) via colonoscopy with patient-selected donor stool, (2) via colonoscopy from a universal stool bank donor, or (3) via capsules from a universal stool bank. Reassessment occurred 8 weeks post-FMT. Those cured were assessed for gastrointestinal symptoms (bloating, loose stools, constipation). Multivariate logistic regression was performed to assess predictors of post-FMT gastrointestinal symptoms. Results: A total of 150 subjects underwent FMT for recurrent CDI, of which 68.7% (103) were female, mean age was 61.5 years±18.1 and 31 patients (20.7%) had preexisting irritable bowel syndrome. Thirty-six had FMT via colonoscopy with a patient-selected donor, 67 via colonoscopy with stool bank donors, and 47 via FMT capsules from stool bank donors. Among those cured, 41 (31.2%) had gastrointestinal symptoms post-FMT. The factors associated with symptoms included younger age (57.2 vs. 64.1 y, P=0.03), a baseline history of irritable bowel syndrome (36.6% vs. 13.3%, P=0.002) and preexisting inflammatory bowel disease (31.7% vs. 10%, P=0.002). Small bowel exposure to donor stool was not related to symptoms (63.4% vs. 62.2%, P=0.89). Conclusions: Altered bowel habits are a consequence of CDI and are common after FMT. This study suggests that donor type and FMT delivery modality are not related to the presence of irregular gastrointestinal symptoms after FMT.

Original languageEnglish (US)
JournalJournal of Clinical Gastroenterology
DOIs
StatePublished - Jan 1 2019

Keywords

  • Clostridium difficile
  • fecal microbiota transplantation
  • irritable bowel syndrome

ASJC Scopus subject areas

  • Gastroenterology

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