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A Reference Broth Microdilution Method for Dalbavancin In Vitro Susceptibility Testing of Bacteria that Grow Aerobically
Published on: September 9, 2015
Analysis of Vancomycin Susceptibility Testing Results for Presumptive Categorization of Telavancin
Rodrigo E Mendes1, David J Farrell2, Robert K Flamm2
1JMI Laboratories, North Liberty, Iowa, USA rodrigo-mendes@jmilabs.com.
Abstract:
Scattergrams between vancomycin and telavancin demonstrated susceptibility agreement rates of 99.96, 99.65, and 100.00% for Staphylococcus aureus, Enterococcus faecalis, and streptococci, respectively. A single very major error was obtained against E. faecalis, while vancomycin-intermediate S. aureus (VISA) and vancomycin-resistant and teicoplanin-susceptible (VanB phenotype) E. faecalis were responsible for major and minor errors. These results support the use of vancomycin to infer telavancin susceptibility among indicated pathogens, except VISA, which should be tested for telavancin susceptibility.
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