Detection of extended-spectrum β-lactamases in klebsiellae with the oxoid combination disk method

被引:88
作者
Carter, MW [1 ]
Oakton, KJ [1 ]
Warner, M [1 ]
Livermore, DM [1 ]
机构
[1] Cent Publ Hlth Lab, Antibiot Resistence Monitoring & Reference Lab, London NW9 5HT, England
关键词
D O I
10.1128/JCM.38.11.4228-4232.2000
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The Oxoid combination disk method for detecting extended-spectrum beta -lactamases (ESBLs) depends on comparing the inhibition zones of cefpodoxime (10-mug) and cefpodoxime-plus-clavulanate (10- plus 1-mug) disks. The presence of clavulanate enlarged the zones for all of 180 ESBL-producing klebsiellae by greater than or equal to5 mm, whereas zones for cefpodoxime-susceptible isolates and cefpodoxime-resistant isolates with AmpC and K1 beta -lactamases were enlarged by less than or equal to1 mm. Good discrimination was achieved with either the NCCLS or the British disk method.
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页码:4228 / 4232
页数:5
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