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The β-Lacta Test for Direct Detection of Extended-spectrum-β-lactamase-producing Enterobacteriaceae in Urine

Overview
Journal J Clin Microbiol
Specialty Microbiology
Date 2014 Aug 1
PMID 25078913
Citations 15
Authors
Salah Gallah
Dominique Decre
Nathalie Genel
Guillaume Arlet
Affiliations
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Abstract

With the β-Lacta test, production of extended-spectrum β-lactamases (ESBLs) was assayed in 200 urine samples showing Gram-negative bacilli during direct microscopic examination. While 168 samples tested negative, all samples yielding ESBL-producing Enterobacteriaceae after culture gave positive (n = 30) or uninterpretable (n = 2) results. The sensitivity and specificity of ESBL detection were 94% and 100%, respectively.

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