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几种新型氟喹诺酮类和β-内酰胺类抗菌药物对社区分离肺炎链球菌的体外活性比较

Comparative in vitro activities of several new fluoroquinolones and beta-lactam antimicrobial agents against community isolates of Streptococcus pneumoniae.

作者信息

Mazzulli T, Simor A E, Jaeger R, Fuller S, Low D E

机构信息

Department of Microbiology, Mount Sinai Hospital, Toronto, Ontario, Canada.

出版信息

Antimicrob Agents Chemother. 1990 Mar;34(3):467-9. doi: 10.1128/AAC.34.3.467.

Abstract

The in vitro susceptibilities of 551 community isolates of Streptococcus pneumoniae from the Canadian province of Ontario to several new fluoroquinolones and beta-lactam antimicrobial agents were determined by a broth microdilution technique. Eight (1.5%) of these isolates were moderately susceptible (MICs, greater than or equal to 0.12 and less than or equal to 1.0 microgram/ml) to penicillin; none was resistant. Temafloxacin, ciprofloxacin, and ofloxacin (MICs for 90% of strains tested, between 1 and 2 micrograms/ml) were the most active fluoroquinolones tested, and BMY-28100 (MIC for 90% of strains tested, 0.25 microgram/ml) was the most active of the new beta-lactams tested.

摘要

采用肉汤微量稀释技术测定了来自加拿大安大略省的551株社区分离肺炎链球菌对几种新型氟喹诺酮类和β-内酰胺类抗菌药物的体外敏感性。这些分离株中有8株(1.5%)对青霉素中度敏感(MICs,大于或等于0.12且小于或等于1.0微克/毫升);无耐药株。替马沙星、环丙沙星和氧氟沙星(90%受试菌株的MICs在1至2微克/毫升之间)是所测试的活性最强的氟喹诺酮类药物,而BMY-28100(90%受试菌株的MIC为0.25微克/毫升)是所测试的活性最强的新型β-内酰胺类药物。

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