Comparison of antimicrobial resistance profiles among extended-spectrum-beta-lactamase-producing and acquired AmpC beta-lactamase-producing Escherichia coli isolates from Canadian intensive care units

Antimicrob Agents Chemother. 2008 May;52(5):1846-9. doi: 10.1128/AAC.01176-07. Epub 2008 Feb 25.

Abstract

Resistance profiles were compared among 18 extended-spectrum-beta-lactamase-producing (ESBL) and 27 acquired AmpC beta-lactamase-producing Escherichia coli isolates collected from Canadian intensive care units from 2005 to 2006. ESBL-producing E. coli isolates were more likely to be gentamicin resistant (P < 0.03), fluoroquinolone resistant (P < 0.0001), and multidrug resistant (P < 0.0001) than AmpC-producing E. coli isolates.

Publication types

  • Comparative Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bacterial Proteins / metabolism*
  • Canada
  • Drug Resistance, Multiple, Bacterial
  • Escherichia coli / drug effects*
  • Escherichia coli / enzymology*
  • Escherichia coli / isolation & purification
  • Escherichia coli Infections / microbiology
  • Fluoroquinolones / pharmacology
  • Gentamicins / pharmacology
  • Humans
  • Intensive Care Units*
  • Microbial Sensitivity Tests
  • beta-Lactamases / metabolism*

Substances

  • Bacterial Proteins
  • Fluoroquinolones
  • Gentamicins
  • AmpC beta-lactamases
  • beta-Lactamases