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头孢匹罗、头孢他啶和头孢噻肟对铜绿假单胞菌、肠球菌、表皮葡萄球菌以及甲氧西林敏感和耐药、耐受和非耐受金黄色葡萄球菌的体外抑制和杀菌活性比较

Comparative in vitro inhibitory and killing activity of cefpirome, ceftazidime, and cefotaxime against Pseudomonas aeruginosa, enterococci, Staphylococcus epidermidis, and methicillin-susceptible and -resistant and tolerant and nontolerant Staphylococcus aureus.

作者信息

Goldstein E J, Citron D M

出版信息

Antimicrob Agents Chemother. 1985 Jul;28(1):160-2. doi: 10.1128/AAC.28.1.160.

Abstract

With a macrotube dilution method, MICs and MBCs were determined for three aminothiazolyl cephalosporins, cefpirome (HR 810), ceftazidime, and cefotaxime, against Pseudomonas aeruginosa, enterococci, Staphylococcus epidermidis, and methicillin-resistant, -susceptible, and -tolerant strains of Staphylococcus aureus. Comparatively, cefpirome was the most active agent against all gram-positive cocci, including enterococci and methicillin-resistant S. aureus, and was as active as ceftazidime against P. aeruginosa. MBCs of cefpirome were within two dilutions of the MICs for 91% of P. aeruginosa and 90% of gram-positive cocci strains tested, except methicillin-resistant S. aureus, for which the MBCs were within three dilutions for 90% of strains.

摘要

采用大试管稀释法,测定了三种氨噻唑基头孢菌素(头孢匹罗(HR 810)、头孢他啶和头孢噻肟)对铜绿假单胞菌、肠球菌、表皮葡萄球菌以及耐甲氧西林、甲氧西林敏感和甲氧西林耐受的金黄色葡萄球菌菌株的最低抑菌浓度(MIC)和最低杀菌浓度(MBC)。相比之下,头孢匹罗是对所有革兰氏阳性球菌(包括肠球菌和耐甲氧西林金黄色葡萄球菌)活性最强的药物,并且对铜绿假单胞菌的活性与头孢他啶相当。除耐甲氧西林金黄色葡萄球菌外,头孢匹罗对91%的铜绿假单胞菌和90%的革兰氏阳性球菌菌株的MBC在MIC的两个稀释度范围内,对于耐甲氧西林金黄色葡萄球菌,90%的菌株其MBC在三个稀释度范围内。

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