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Comparison of 2 chromogenic media for the detection of extended-spectrum ?-lactamase producing Enterobacteriaceae stool carriage in nursing home residents.

ABSTRACT: ChromID ESBL agar and Brilliance ESBL agar were compared for the isolation of extended-spectrum ?-lactamase (ESBL)-producing Enterobacteriaceae from 298 stools. These had comparable sensitivity and selectivity for the 116 positive samples. Pre-enrichment with cefpodoxime and extending incubation to 48 hours after direct plating both significantly increased sensitivity but reduced selectivity of both agars.

SUBMITTER: Blane B 

PROVIDER: S-EPMC4769092 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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Comparison of 2 chromogenic media for the detection of extended-spectrum β-lactamase producing Enterobacteriaceae stool carriage in nursing home residents.

Blane Beth B   Brodrick Hayley J HJ   Gouliouris Theodore T   Ambridge Kirsty E KE   Kidney Angela D AD   Ludden Catherine M CM   Limmathurotsakul Direk D   Török M Estée ME   Peacock Sharon J SJ  

Diagnostic microbiology and infectious disease 20151111 3

ChromID ESBL agar and Brilliance ESBL agar were compared for the isolation of extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae from 298 stools. These had comparable sensitivity and selectivity for the 116 positive samples. Pre-enrichment with cefpodoxime and extending incubation to 48 hours after direct plating both significantly increased sensitivity but reduced selectivity of both agars. ...[more]

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