نتایج جستجو برای: penicillins
تعداد نتایج: 9407 فیلتر نتایج به سال:
Background and Objective: Methicillin resistance in Staphylococcus aureus is an increasingly important clinical problem. A chromosomal gene, mecA, mediates resistance to penicillinase-resistant penicillins such as methicillin and oxacillin in Staphylococcus aureus. We evaluated the validity of disk diffusion test by using oxacillin, methicillin an...
Abstract Background Penicillin allergy (PenA) labels limit antimicrobial options, and concerns about cross-reactivity between penicillin cephalosporins can further restrict prescribing. Alternative therapies are associated with reduced efficacy, poorer safety profiles increased healthcare costs. Emerging literature suggests the incidence of penicillins may be lower than historically reported ra...
The activity of azlocillin and mezlocillin, new semisynthetic ureido penicillins, was investigated and compared with that of other known beta-lactam antibiotics. At a concentration of 25 mug/ml, azlocillin inhibited 74% of Enterobacter, 97% of Proteus mirabilis, 64% of Citrobacter, 91% of Pseudomonas aeruginosa, and 82% of Bacteroides strains tested. Mezlocillin inhibited 86% of Shigella, 96% o...
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