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Analysis of the world epidemiological situation among vancomycin-resistant Enterococcus faecium infections and the

Katarzyna Talaga-Ćwiertnia1, Małgorzata Bulanda2

  • 1Department of Mycology, Chair of Microbiology, Faculty of Medicine Jagiellonian University Medical College, Kraków

Przeglad Epidemiologiczny
|April 18, 2018
PubMed

Insights

Vancomycin-resistant Enterococcus faecium (VREfm) is a significant hospital pathogen. Resistance varies by VanA and VanB phenotypes, impacting treatment options and global spread patterns.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Epidemiology

Background:

  • Vancomycin-resistant Enterococcus faecium (VREfm) is a critical hospital-acquired pathogen.
  • VREfm infections are associated with high mortality and limited treatment choices.
  • Vancomycin resistance is primarily mediated by VanA or VanB phenotypes.

Purpose of the Study:

  • To analyze the global epidemiology of Vancomycin-resistant Enterococcus faecium (VREfm).
  • To differentiate VREfm prevalence based on VanA and VanB resistance phenotypes.
  • To assess the varying rates of VREfm spread and reporting worldwide.

Main Methods:

  • Review of global epidemiological data on VREfm isolates.
  • Phenotypic characterization of vancomycin resistance (VanA vs. VanB).
  • Analysis of VREfm prevalence and spread rates across different geographic regions.

Main Results:

  • The VanA phenotype is dominant in most regions (USA, Europe, Asia, South America, Africa).
  • The VanB phenotype is predominant in Australia and Singaporean epidemics.
  • VREfm prevalence is highest in the USA, Ireland, and Australia, with significant regional variations in spread rates.

Conclusions:

  • Understanding the geographic distribution of VanA and VanB phenotypes is crucial for targeted interventions.
  • Inconsistent VRE surveillance limits accurate assessment of the global epidemiological situation.
  • Effective VRE control strategies require tailored approaches based on local resistance patterns and spread dynamics.
Keywords:
vancomycin-resistant Enterococcus faeciumVanAVanBsurveillanceclonalityepidemiological situation

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