Continuous Proton Pump Inhibitor Therapy and the Associated Risk of Recurrent Clostridium difficile Infection

JAMA Internal Medicine
Emily G McDonaldTodd C Lee

Abstract

Clostridium difficile infection (CDI) is associated with significant morbidity, mortality, and a high risk of recurrence. Proton pump inhibitor (PPI) use is associated with an initial episode of CDI, and PPIs are frequently overprescribed. For many, the use of PPIs could likely be discontinued before CDI recurrence. To determine whether PPI use was associated with a risk of initial CDI recurrence, to assess what proportion of patients who developed CDI were taking a PPI for a non-evidence-based indication, and to evaluate whether physicians discontinued unnecessary PPIs in the context of CDI. We conducted a retrospective cohort study of incident health care-associated CDI cases to determine the association between continuous PPI use and CDI recurrence within 90 days. The setting was 2 university-affiliated hospitals, the 417-bed Montreal General Hospital (Montreal, Quebec, Canada) and the 517-bed Royal Victoria Hospital (Montreal, Quebec, Canada). The cohort consisted of 754 patients who developed health care-associated CDI between January 1, 2010, and January 30, 2013, and who survived for a minimum of 15 days after their initial episode of nosocomial CDI. Continuous PPI use. Recurrence of CDI within 15 to 90 days of the initi...Continue Reading

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