Emergence of colistin resistance during treatment of recurrent pneumonia caused by carbapenemase producing Klebsiella pneumoniae

Diagn Microbiol Infect Dis. 2019 Aug;94(4):407-409. doi: 10.1016/j.diagmicrobio.2019.02.014. Epub 2019 Feb 21.

Abstract

A 60-year-old woman received meropenem/colistin treatment for bilateral pneumonia caused by a ST15 carbapenemase producing Klebsiella pneumoniae. The patient recovered but re-infection with the same (ST15), but now colistin-resistant K. pneumoniae, occurred. The molecular mechanism of the emerged colistin resistance was identified as mgrB gene modification by insertion element (IS) IS903B.

Keywords: Carbapenemase producing Enterobactericeae; Colistin resistance; K. pneumoniae; ST15.

Publication types

  • Case Reports

MeSH terms

  • Anti-Bacterial Agents / pharmacology*
  • Bacterial Proteins
  • Colistin / pharmacology*
  • Drug Resistance, Bacterial / genetics*
  • Female
  • Humans
  • Klebsiella Infections / drug therapy*
  • Klebsiella Infections / microbiology
  • Klebsiella pneumoniae / drug effects*
  • Klebsiella pneumoniae / enzymology
  • Klebsiella pneumoniae / genetics
  • Meropenem / therapeutic use
  • Microbial Sensitivity Tests
  • Middle Aged
  • Pneumonia, Bacterial / drug therapy*
  • Recurrence
  • beta-Lactamases

Substances

  • Anti-Bacterial Agents
  • Bacterial Proteins
  • beta-Lactamases
  • carbapenemase
  • Meropenem
  • Colistin