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Epidemic Clostridium difficile- Associated Diarrhea: Role of Second- and Third-Generation Cephalosporins
Published online by Cambridge University Press: 02 January 2015
Abstract
To better define the role of multiple risk factors for cytotoxic Clostridium difficile-associated diarrhea.
Case-control study.
A Veterans Affairs Medical Center.
Thirty-three case patients with C difficile -associated diarrhea. Two control groups were used: one group consisted of 32 patients from the same ward as the case patients, and one group consisted of 34 patients with nosocomial diarrhea and negative C difficile toxin assays.
None.
Multivariate analyses revealed that exposure to second- or third-generation cepha-losporins was the most important independent risk factor, even after controlling for other antimicrobial use (odds ratio [OR]=8.3, 95% confidence interval [CI95] = 1.4 to 48.9 compared to ward controls; OR= 9.6, CI95 = 2.1 to 44.1 compared with diarrhea controls). Persons exposed to two or more antimicrobials simultaneously were at substantially elevated risk (OR= 18.7, CI95 = 4.1 to 85.8 compared with ward controls; OR=21.5, CI95=3.2 to 141.9 compared with diarrhea controls).
Physicians should consider carefully the appropriateness of second- and third-generation cephalosporin use and combination antimicrobial therapy, especially during nosocomial C difficile -associated diarrhea outbreaks.
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- Copyright © The Society for Healthcare Epidemiology of America 1994
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