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临床使用相关的耐万古霉素屎肠球菌对利奈唑胺敏感性降低:与奎奴普丁-达福普汀的比较

Clinical-use-associated decrease in susceptibility of vancomycin-resistant Enterococcus faecium to linezolid: a comparison with quinupristin-dalfopristin.

作者信息

Raad Issam I, Hanna Hend A, Hachem Ray Y, Dvorak Tanya, Arbuckle Rebecca B, Chaiban Gassan, Rice Louis B

机构信息

Department of Infectious Diseases, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030, USA.

出版信息

Antimicrob Agents Chemother. 2004 Sep;48(9):3583-5. doi: 10.1128/AAC.48.9.3583-3585.2004.

Abstract

The susceptibility of 135 vancomycin-resistant Enterococcus faecium bacteremic isolates to linezolid and quinupristin-dalfopristin was determined. All were susceptible to linezolid, while 88% were susceptible to quinupristin-dalfopristin prior to the clinical use of the drugs at our hospital. More than 6 months after their clinical use, a decrease in susceptibility was noted for only linezolid at 83%. This was related in part to a single G2576U gene mutation in domain V of the 23S rRNA gene.

摘要

测定了135株耐万古霉素屎肠球菌血流感染分离株对利奈唑胺和奎奴普丁-达福普汀的敏感性。所有菌株对利奈唑胺均敏感,而在我院临床使用这些药物之前,88%的菌株对奎奴普丁-达福普汀敏感。在临床使用超过6个月后,仅观察到利奈唑胺的敏感性有所下降,降至83%。这部分与23S rRNA基因V结构域中的单个G2576U基因突变有关。

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