Utility of the VITEK 2 advanced expert system for identification of extended-spectrum β-lactamase production in Enterobacter spp.

Mitchell J. Schwaber, Shiri Navon-Venezia, Inna Chmelnitsky, Azita Leavitt, David Schwartz, Yehuda Carmeli

Research output: Contribution to journalArticlepeer-review

Abstract

Forty clinical isolates of Enterobacter spp. were identified as extended-spectrum β-lactamase (ESBL) producers by disk diffusion. The VITEK 2 Advanced Expert System (AES) identified the ESBL phenotype in only 25 isolates (62.5%), and erroneously reported cephalosporin susceptibility in 11 isolates (28%). Refinements in the AES are required in order to improve ESBL detection in Enterobacter.

Original languageEnglish
Pages (from-to)241-243
Number of pages3
JournalJournal of Clinical Microbiology
Volume44
Issue number1
DOIs
StatePublished - Jan 2006
Externally publishedYes

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