KILLING KINETICS OF 4 QUINOLONES AGAINST GRAM-POSITIVE COCCI

被引:20
作者
CANTON, E [1 ]
RAMON, MS [1 ]
JIMENEZ, MT [1 ]
MARTINEZ, JP [1 ]
机构
[1] UNIV VALENCIA, FAC FARM, SECC MICROBIOL, VALENCIA, SPAIN
关键词
NORFLOXACIN; CIPROFLOXACIN; SPARFLOXACIN; TEMAFLOXACIN; QUINOLONE BACTERICIDAL ACTIVITY; PARADOXICAL EFFECT;
D O I
10.1159/000238983
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Killing kinetics of four fluoroquinolones against Staphylococcus species were determined during the first 5 h of incubation in the presence of drug concentrations ranging from the MIC to 1,024 mug/ml. Additionally, the relationship between killing rate and drug concentration was established. Sparfloxacin and temafloxacin were the most active quinolones assayed with greater lethal rates than ciprofloxacin and norfloxacin. The relation was biphasic with a decrease of at least 1 log10 c.f.u./ml at high drug concentrations with respect to that obtained at the optimal bactericidal concentration for all quinolone-microorganism combinations tested.
引用
收藏
页码:394 / 399
页数:6
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