Overuse and inappropriate prescribing of proton pump inhibitors in patients with Clostridium difficile-associated disease

M.N. Choudhry; H. Soran; H.M. Ziglam
June 2008
QJM: An International Journal of Medicine;Jun2008, Vol. 101 Issue 6, p445
Academic Journal
Background: Clostridium difficile is the most common infectious cause of colitis and has been increasingly diagnosed in hospitalized patients. The number of prescriptions for proton pump inhibitors (PPIs) has also increased significantly over time. Few studies have reported an association between C. difficile-associated disease (CDAD) and PPI use. Aim: To assess the extent and appropriateness of PPI prescribing in patients diagnosed with C. difficile infection. Methods: We prospectively studied PPI prescriptions in 138 hospitalized patients diagnosed with C. difficile infection over a 4-month period. Clostridium difficile infections were diagnosed by the presence of C. difficile toxin in the stools. The appropriateness of prescriptions and relevant investigations were assessed by interview of patients and review of patient records. Results: Sixty-four percent (88 of 138) of all patients who developed C. difficile infections were on PPIs. A valid indication for PPIs therapy was not apparent in 63% of the patients. Conclusion: There appears to be a widespread and inappropriate use of PPIs in hospital practice. Reduction of unnecessary PPIs use may be an additional strategy to reduce the incidence of this infection.


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