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头孢他啶-阿维巴坦及对照药物对癌症患者分离出的临床细菌的抗菌活性

Antimicrobial Activities of Ceftazidime-Avibactam and Comparator Agents against Clinical Bacteria Isolated from Patients with Cancer.

作者信息

Hachem Ray, Reitzel Ruth, Rolston Kenneth, Chaftari Anne-Marie, Raad Issam

机构信息

Department of Infectious Diseases, Infection Control and Employee Health, University of Texas MD Anderson Cancer Center, Houston, Texas, USA

Department of Infectious Diseases, Infection Control and Employee Health, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.

出版信息

Antimicrob Agents Chemother. 2017 Mar 24;61(4). doi: 10.1128/AAC.02106-16. Print 2017 Apr.

Abstract

A total of 521 unique clinical isolates from cancer patients with primarily (>90%) bloodstream infections were tested for susceptibility to ceftazidime-avibactam and comparators using broth microdilution methods. Ceftazidime-avibactam inhibited 97.8% of all ( = 321) at the susceptibility breakpoint of ≤8/4 μg/ml (there were 7 nonsusceptible strains). It was also active against (91.7% isolates susceptible, = 121), including many isolates not susceptible to meropenem, cefepime, ceftazidime, piperacillin-tazobactam, or other comparators.

摘要

使用肉汤微量稀释法,对总共521株主要来自癌症患者(>90%)血流感染的独特临床分离株进行了头孢他啶-阿维巴坦及对照药物的敏感性测试。在≤8/4 μg/ml的敏感折点下,头孢他啶-阿维巴坦抑制了所有321株菌株中的97.8%(有7株不敏感菌株)。它对121株耐碳青霉烯类肠杆菌科细菌(CRE)也有活性(91.7%的分离株敏感),包括许多对美罗培南、头孢吡肟、头孢他啶、哌拉西林-他唑巴坦或其他对照药物不敏感的分离株。

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