FAILURE OF TIME-KILL SYNERGY STUDIES USING SUBINHIBITORY ANTIMICROBIAL CONCENTRATIONS TO PREDICT IN-VIVO ANTAGONISM OF CEPHALOSPORIN-RIFAMPIN COMBINATIONS AGAINST STAPHYLOCOCCUS-AUREUS

被引:11
作者
BRANDT, CM [1 ]
ROUSE, MS [1 ]
TALLAN, BM [1 ]
WILSON, WR [1 ]
STECKELBERG, JM [1 ]
机构
[1] MAYO CLIN & MAYO FDN,DIV INFECT DIS,INFECT DIS RES LAB,ROCHESTER,MN 55905
关键词
D O I
10.1128/AAC.38.9.2191
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Results of in vitro time-kill synergy studies using subinhibitory, inhibitory, or suprainhibitory concentrations of bactericidal agents were compared with treatment outcomes of experimental infective endocarditis due to a methicillin-susceptible strain of Staphylococcus aureus. For rifampin-cephalosporin combinations, in vitro synergy testing using recommended fractions of the MIC failed to predict antagonism in vivo while concentrations above the MIC corresponded with antagonism in vivo.
引用
收藏
页码:2191 / 2193
页数:3
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