Laboratory evaluation of the CHROMagar KPC medium for identification of carbapenem-nonsusceptible Enterobacteriaceae

Jacob Moran Gilad, Yehuda Carmeli, David Schwartz, Shiri Navon-Venezia

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

CHROMagar KPC was evaluated with 53 carbapenem-nonsusceptible strains. KPC-producing Klebsiella pneumoniae and Enterobacter cloacae grew efficiently and yielded metallic blue colonies (100% sensitivity). Poor or no growth or atypical colony color were evident with KPC-producing Escherichia coli (71.4% sensitivity) and ertapenem-resistant KPC-nonproducing K. pneumoniae (72.7% sensitivity). CHROMagar KPC appears applicable for processing carbapenem-resistant Enterobacteriaceae surveillance specimens, but its performance might possibly be suboptimal in the presence of KPC-negative ertapenem-resistant strains or for detection of KPC-producing E. coli.

Original languageEnglish
Pages (from-to)565-567
Number of pages3
JournalDiagnostic Microbiology and Infectious Disease
Volume70
Issue number4
DOIs
StatePublished - 1 Aug 2011
Externally publishedYes

Keywords

  • Antimicrobial
  • CHROMagar
  • Carbapenems
  • Enterobacteriaceae
  • Resistance

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases

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