Prevalence of carbapenemase-producing organisms at the Kidney Center of Rawalpindi (Pakistan) and evaluation of an advanced molecular microarray-based carbapenemase assay

Sascha D. Braun, Bushra Jamil, Muhammad A. Syed, Shahid A. Abbasi, Daniel Weiß, Peter Slickers, Stefan Monecke, Ines Engelmann, Ralf Ehricht

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Aim: A DNA microarray-based assay for the detection of antimicrobial resistance (AMR) genes was used to study carbapenemase-producing organisms at the Kidney Center of Rawalpindi, Pakistan. Methods: The evaluation of this assay was performed using 97 reference strains with confirmed AMR genes. Testing of 7857 clinical samples identified 425 Gram-negative bacteria out of which 82 appeared carbapenem resistant. These isolates were analyzed using VITEK-2 for phenotyping and the described AMR assay for genotyping. Results: The most prevalent carbapenemase gene was blaNDM and in 12 isolates we detected two carbapenemase genes (e.g., blaNDM/blaOXA-48). Conclusion: Our prevalence data from Pakistan show that-as in other parts of the world-carbapenemase-producing organisms with different underlying resistance mechanisms are emerging, and this warrants intensified and constant surveillance.

Original languageEnglish
Pages (from-to)1225-1246
Number of pages22
JournalFuture Microbiology
Volume13
Issue number11
DOIs
Publication statusPublished - Sept 2018
Externally publishedYes

Keywords

  • Pakistan

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