Rapidly Rising Prevalence of Nosocomial Multidrug-Resistant, Gram-Negative Bacilli: A 9-Year Surveillance Study
- 1 October 2004
- journal article
- Published by Cambridge University Press (CUP) in Infection Control
- Vol. 25 (10) , 842-846
- https://doi.org/10.1086/502306
Abstract
Objective: To examine and quantify the temporal trends of nosocomial multidrug-resistant, gram-negative bacilli.Design: A 9-year surveillance study was conducted. Multidrug resistance was defined as resistance to 3 or more antimicrobial classes.Setting: Tertiary-care institution.Results: From 1994 to 2002, multidrug-resistant, gram-negative bacilli increased from 1% to 16% for multidrug-resistant Pseudomonas aeruginosa, 4% to 13% for multidrug-resistant Enterobacter species, 0.5% to 17% for multidrug-resistant Klebsiella species, 0% to 9% for multidrug-resistant Proteus species, and 0.2% to 4% for multidrug-resistant Escherichia coli (P ≤ .05). The most common pattern of multidrug resistance was co-resistance to quinolones, third-generation cephalosporins, and aminoglycosides.Conclusion: The rapid rise of multidrug-resistant, gram-negative bacilli may warrant infection control programs to include these pathogens in strategies aimed at limiting the emergence and spread of antimicrobial-resistant pathogens.Keywords
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