Journal article
Australian Group on Antimicrobial Resistance (AGAR) Australian Gram-negative Sepsis Outcome Programme (GnSOP) Annual Report 2020
Communicable Diseases Intelligence, Vol.45
2022
Abstract
The Australian Group on Antimicrobial Resistance (AGAR) performs regular period-prevalence studies to monitor changes in antimicrobial resistance in selected enteric gram-negative pathogens. The 2020 survey was the eighth year to focus on bloodstream infections caused by Enterobacterales, and the sixth year in which Pseudomonas aeruginosa and Acinetobacter species were included. Eight thousand seven hundred and fifty-two isolates, comprising Enterobacterales (7,871, 89.9%), P. aeruginosa (771, 8.8%) and Acinetobacter species (110, 1.3%), were tested using commercial automated methods. The results were analysed using Clinical and Laboratory Standards Institute (CLSI) and European Committee on Antimicrobial Susceptibility Testing (EUCAST) breakpoints (January 2021). Of the key resistances, resistance to the third-generation cephalosporin ceftriaxone was found in 13.5%/13.5% (CLSI/EUCAST criteria) of Escherichia coli and 8.7%/8.7% of Klebsiella pneumoniae. Resistance rates to ciprofloxacin were 16.1%/16.1% for E. coli; 9.9%/9.9% for K. pneumoniae; 5.8%/5.8% for Enterobacter cloacae complex; and 4.5%/8.1% for P. aeruginosa. Resistance rates to piperacillin-tazobactam were 2.5%/6.6%; 3.9%/12.5%; 16.9%/26.3%; and 5.5%/14.4% for the same four species respectively. Thirty-two isolates from 32 patients were shown to harbour at least one carbapenemase gene: 19 blaIMP-4, three blaGES-5, two blaNDM-1, two blaNDM-5, two blaOXA-48, two blaOXA-181, one blaIMI-1, and one blaOXA-23+NDM-1.
Details
- Title
- Australian Group on Antimicrobial Resistance (AGAR) Australian Gram-negative Sepsis Outcome Programme (GnSOP) Annual Report 2020
- Authors/Creators
- J.M. Bell (Author/Creator)A.F. Lubian (Author/Creator)S.R. Partridge (Author/Creator)T. Gottlieb (Author/Creator)J. Iredell (Author/Creator)D.A. Daley (Author/Creator)G.W. Coombs (Author/Creator)
- Publication Details
- Communicable Diseases Intelligence, Vol.45
- Publisher
- Australian Government. Dept. of Health
- Identifiers
- 991005540430907891
- Copyright
- © 2022 Commonwealth of Australia
- Murdoch Affiliation
- Antimicrobial Resistance and Infectious Disease Laboratory
- Language
- English
- Resource Type
- Journal article
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