Comparison of the hospital-acquired clostridium difficile infection risk of using proton pump inhibitors versus histamine-2 receptor antagonists for prophylaxis and treatment of stress ulcers: A systematic review and meta-analysis

Mohamed Azab, Loomee Doo, Daniel H. Doo, Yousif Elmofti, Muazer Ahmed, John Jay Cadavona, Xibei B. Liu, Amaan Shafi, Moon Kyung Joo, Ji Won Yoo

    Research output: Contribution to journalArticlepeer-review

    24 Citations (Scopus)

    Abstract

    Background/Aims: Although proton pump inhibitors (PPIs) have been widely used for the prevention and treatment of stress gastric ulcers in hospital settings, there are concerns that PPIs increase the risk of Clostridium difficile infection (CDI). However, little is known about the risk of CDI following PPI and histamine-2 receptor antagonist (H2RA) use. We evaluated the comparative hospital-acquired CDI occurrence risk associated with the concurrent use of PPIs versus H2RAs. Methods: A systematic search of PubMed, MEDLINE/Ovid, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Web of Science, and Google Scholar through August 19, 2016, identified 12 studies that reported the hospital-acquired CDI occurrence following H2RA and PPI use for the prevention and treatment of stress gastric ulcers. Random-effects pooled odds ratios and 95% confidence intervals were estimated. Heterogeneity was measured using I2, and a meta-regression analysis was conducted. The Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system was used to assess the overall quality of the evidence. Results: A total of 74,132 patients from 12 observational studies were analyzed. Compared to H2RAs, PPIs increased the risk of CDI by 38.6% (pooled odds ratio, 1.386; 95% confidence interval, 1.152 to 1.668; p=0.001; I2=42.81%). Subgroup analyses of the purpose of study medication use, study site, and study design confirmed the consistency of a greater CDI risk with PPIs than with H2RAs. The overall quality of evidence was rated as low. Conclusions: The use of PPIs for both the prevention and treatment of stress ulcers was associated with a 38.6% increased risk of hospital-acquired CDI occurrence compared to H2RA use.

    Original languageEnglish
    Pages (from-to)781-788
    Number of pages8
    JournalGut and liver
    Volume11
    Issue number6
    DOIs
    Publication statusPublished - 2017 Nov

    Keywords

    • Clostridium
    • Histamine antagonists
    • Meta-analysis
    • Proton pump inhibitors
    • Stomach ulcer

    ASJC Scopus subject areas

    • Hepatology
    • Gastroenterology

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