Evaluation of efficiency of screening extended-spectrum beta-lactamase-producing Escherichia coli and Klebsiella pneumoniae in hospitals where the bacteria are increasingly prevalent |
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| Authors: | Lee K Lim J K Yong D Yum J Chong Y Okamoto R Inoue M |
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| Affiliation: | Department of Clinical Pathology, Research Institute of Bacterial Resistance, and BK21 Project for Medical Sciences, Yonsei University College of Medicine, Seoul, Korea. |
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| Abstract: | The disk screening methods for extended-spectrum beta-lactamase-producing strains were evaluated. The confirmatory work is reduced significantly in settings such as those in this study, by changing the cefpodoxime breakpoint to < or =20 mm and by not testing cefoxitin-resistant isolates. Cefotaxime and ceftazidime disk screening is reliable, and the laboratory-prepared cefotaxime- and ceftazidime-clavulanic acid disks are stable at -20 degrees C for 12 weeks. |
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