Perdigão-Neto L V, Oliveira M S, Rizek C F, Carrilho C M D M, Costa S F, Levin A S
Department of Infection Control of Hospital das Clínicas, University of São Paulo, São Paulo, Brazil.
Antimicrob Agents Chemother. 2014;58(3):1763-7. doi: 10.1128/AAC.02048-13. Epub 2013 Dec 9.
Fosfomycin may be a treatment option for multiresistant Gram-negative bacteria. This study compared susceptibility methods using 94 multiresistant clinical isolates. With agar dilution (AD), susceptibilities were 81%, 7%, 96%, and 100% (CLSI) and 0%, 0%, 96%, and 30% (EUCAST), respectively, for Acinetobacter baumannii, Pseudomonas aeruginosa, Klebsiella pneumoniae, and Enterobacter spp. Categorical agreement between Etest and AD for Enterobacteriaceae and A. baumannii was ≥80%. Disk diffusion was adequate only for Enterobacter. CLSI criteria for urine may be adequate for systemic infections.
磷霉素可能是治疗多重耐药革兰氏阴性菌的一种选择。本研究使用94株多重耐药临床分离株比较了药敏试验方法。对于鲍曼不动杆菌、铜绿假单胞菌、肺炎克雷伯菌和肠杆菌属,采用琼脂稀释法(AD)时,根据美国临床和实验室标准协会(CLSI)标准的药敏率分别为81%、7%、96%和100%,而根据欧洲抗菌药物敏感性试验委员会(EUCAST)标准的药敏率分别为0%、0%、96%和30%。对于肠杆菌科细菌和鲍曼不动杆菌,Etest法与AD法的分类一致性≥80%。纸片扩散法仅对肠杆菌适用。CLSI的尿液标准可能适用于全身性感染。