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Comparative Study
Journal Article
Evaluating contemporary antibiotics as a risk factor for Clostridium difficile infection in surgical trauma patients.
Journal of Trauma and Acute Care Surgery 2012 March
BACKGROUND: With most Clostridium difficile infections (CDI) occurring after exposure to antimicrobial treatment, specific antibiotics and duration of exposure were evaluated independently for increased risk of CDI in surgical patients.
METHODS: A retrospective, case-control design was used to study surgical inpatients. The case group had a positive Clostridium difficile toxin assay, whereas the control group did not.
RESULTS: Four antibiotics had a risk that was statistically significant for causing CDI in surgical patients: cefepime (odds ratio [OR], 5.7; 95% confidence interval [CI], 1.7-19.1; p = 0.0044), imipenem/cilastatin (OR, 3.2; 95% CI, 1.2-8.9; p = 0.0388), piperacillin/tazobactam (OR, 2.4; 95% CI, 1.3-4.5; p = 0.0067), and vancomycin (OR, 1.9; 95% CI, 1.0-3.5; p = 0.0439). Exposure longer than 7 days to cefepime (p = 0.0006), piperacillin/tazobactam (p = 0.0021), and imipenem/cilastatin (p = 0.0171) also increased risk for development of CDI.
CONCLUSION: The use of cefepime, imipenem/cilastatin, piperacillin/tazobactam, and vancomycin and the use of multiple classes of antibiotics for at least 7 days significantly increased the risk of CDI in surgical inpatients.
METHODS: A retrospective, case-control design was used to study surgical inpatients. The case group had a positive Clostridium difficile toxin assay, whereas the control group did not.
RESULTS: Four antibiotics had a risk that was statistically significant for causing CDI in surgical patients: cefepime (odds ratio [OR], 5.7; 95% confidence interval [CI], 1.7-19.1; p = 0.0044), imipenem/cilastatin (OR, 3.2; 95% CI, 1.2-8.9; p = 0.0388), piperacillin/tazobactam (OR, 2.4; 95% CI, 1.3-4.5; p = 0.0067), and vancomycin (OR, 1.9; 95% CI, 1.0-3.5; p = 0.0439). Exposure longer than 7 days to cefepime (p = 0.0006), piperacillin/tazobactam (p = 0.0021), and imipenem/cilastatin (p = 0.0171) also increased risk for development of CDI.
CONCLUSION: The use of cefepime, imipenem/cilastatin, piperacillin/tazobactam, and vancomycin and the use of multiple classes of antibiotics for at least 7 days significantly increased the risk of CDI in surgical inpatients.
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