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Emergence of vancomycin-resistant enterococci

L B Rice1

  • 1VA Medical Center and Case Western Reserve University School of Medicine, Cleveland, Ohio, USA. louis.rice@med.va.gov

Emerging Infectious Diseases
|April 11, 2001
PubMed

Insights

Certain antibiotics, like cephalosporins, may promote the spread of vancomycin-resistant enterococci (VRE) infections. Understanding how different drugs affect VRE colonization is crucial for effective infection control.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Pharmacy

Background:

  • Vancomycin and ampicillin resistance in Enterococcus faecium has emerged as a significant clinical challenge.
  • Strict infection control measures are essential for preventing the spread of resistant pathogens.
  • Emerging evidence suggests a link between specific antimicrobial agents and the dissemination of vancomycin-resistant enterococci (VRE).

Purpose of the Study:

  • To investigate the role of specific antimicrobial classes in the spread and colonization of VRE.
  • To elucidate the mechanisms by which certain antibiotics may promote VRE gastrointestinal colonization.
  • To inform strategies for controlling VRE through a better understanding of drug-induced colonization dynamics.

Main Methods:

  • This study reviews current data and clinical observations regarding antimicrobial use and VRE epidemiology.
  • Analysis focuses on the impact of extended-spectrum cephalosporins and anaerobic antibacterials on VRE.
  • The research examines differential effects on VRE establishment and high-density colonization persistence.

Main Results:

  • Specific antimicrobial classes, notably extended-spectrum cephalosporins, are implicated in promoting VRE infection and colonization.
  • Certain antibiotics may influence the initial establishment and persistence of high-density VRE colonization differently.
  • The findings highlight a potential mechanism linking antibiotic exposure to VRE spread.

Conclusions:

  • Control of VRE necessitates a deeper understanding of how diverse drug classes facilitate gastrointestinal colonization.
  • Antimicrobial stewardship programs should consider the potential VRE-promoting effects of certain antibiotic classes.
  • Further research into drug-host-microbiome interactions is critical for mitigating VRE transmission.

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