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头孢洛林对需氧革兰氏阳性和革兰氏阴性病原菌的活性:检测方法变异性的影响

Activity of Ceftaroline against Aerobic Gram-Positive and Gram-Negative Pathogens: Effect of Test Method Variability.

作者信息

Citron Diane M, Warren Yumi A, Tyrrell Kerin L, Goldstein Ellie J C

机构信息

R.M. Alden Research Laboratory, Culver City, CA 90230, USA.

出版信息

ISRN Microbiol. 2011 Nov 17;2011:787290. doi: 10.5402/2011/787290. Print 2011.

Abstract

Ceftaroline is a new cephalosporin with bactericidal activity against methicillin-resistant S. aureus (MRSA) as well as gram-negative pathogens. Variations of in vitro test conditions were found to affect ceftaroline activity, with 5% NaCl inhibiting growth and/or reducing the minimum inhibitory concentrations (MICs) for E. coli, K. pneumoniae, M. catarrhalis, H. influenzae, and streptococci, while an inoculum of 10(6) CFU/mL raised MICs of some E. coli, K. pneumoniae, and M. catarrhalis strains.

摘要

头孢洛林是一种新型头孢菌素,对耐甲氧西林金黄色葡萄球菌(MRSA)以及革兰氏阴性病原体具有杀菌活性。发现体外试验条件的变化会影响头孢洛林的活性,5%氯化钠会抑制大肠杆菌、肺炎克雷伯菌、卡他莫拉菌、流感嗜血杆菌和链球菌的生长和/或降低其最低抑菌浓度(MIC),而接种量为10(6)  CFU/mL会提高某些大肠杆菌、肺炎克雷伯菌和卡他莫拉菌菌株的MIC。

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