期刊
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
卷 83, 期 4, 页码 379-381出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.diagmicrobio.2015.08.013
关键词
Polymyxins; Susceptibility testing; Broth microdilution method
Gram-negative bacilli (n = 15,377) were tested against colistin (polymyxin E) and polymyxin B by a commercial broth microdilution method (Sensititre (R)). Among Pseudomonas aeruginosa and Acinetobacter spp., colistin and polymyxin B MIC values were within 1 doubling dilution for >99.0% of strains. Among Klebsiella spp. and Escherichia coli, 55.0 and 53.2% of strains displayed a colistin MIC 2-fold lower than polymyxin B, but polymyxin B was slightly more potent than colistin against strains with decreased susceptibility to either polymyxin. (C) 2015 Elsevier Inc. All rights reserved.
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