期刊
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
卷 64, 期 2, 页码 -出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/AAC.01495-19
关键词
polymyxins; colistin; polymyxin B; breakpoints; USCAST
The polymyxins are important agents for carbapenem-resistant Gram-negative bacilli. The United States Committee on Antimicrobial Susceptibility Testing breakpoint recommendations for colistin and polymyxin B are that isolates of Pseudomonas aeruginosa, Acinetobacter baumannii, and Enterobacteriaceae are considered susceptible at MIC values of <= 2 mg/liter. These recommendations are contingent upon dosing and testing strategies that are described in this commentary. Importantly, these recommendations are not applicable to lower respiratory tract infections, for which we recommend no breakpoints. Furthermore, there is no breakpoint recommendation for polymyxin B for lower urinary tract infections.
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