Overview of resistant gram-positive pathogens in the surgical patient

R P Rapp1

  • 1Division of Pharmacy Practice and Science, University Hospital, University of Kentucky Medical School, Lexington, KY 40536-0082, USA. rprapp01@pop.uky.edu

Surgical Infections
|February 22, 2003
PubMed

Insights

Drug-resistant Staphylococci and Enterococci are a major threat in surgical infections. Prudent antibiotic use is crucial to combat rising resistance, especially for Methicillin-Resistant Staphylococcus Aureus (MRSA) and Vancomycin-Resistant Enterococci (VRE).

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Clinical Medicine

Background:

  • Staphylococci and enterococci are leading causes of surgical-site and bloodstream infections.
  • The rise of antibiotic resistance in these gram-positive bacteria presents a significant clinical challenge.
  • Methicillin/oxacillin resistance in Staphylococcus aureus (MRSA) is common and often linked to multidrug resistance.

Purpose of the Study:

  • To highlight the growing threat of antibiotic resistance in common Gram-positive pathogens.
  • To discuss the implications of emerging resistance to key antibiotics like vancomycin.
  • To emphasize the need for strategies to combat antimicrobial resistance.

Main Methods:

  • Review of current literature on antibiotic resistance trends in Staphylococci and Enterococci.
  • Analysis of the clinical impact of drug-resistant pathogens.
  • Examination of factors contributing to the emergence of resistance.

Main Results:

  • Methicillin-resistant Staphylococcus aureus (MRSA) infections are increasing, with some strains showing intermediate vancomycin sensitivity.
  • Vancomycin resistance is prevalent in Enterococci (VRE), leading to higher mortality rates.
  • Third-generation cephalosporins and anti-anaerobic drugs are associated with VRE and MRSA prevalence.

Conclusions:

  • Prudent use of existing antibiotics is essential to combat drug-resistant Gram-positive pathogens.
  • Reducing vancomycin usage and other implicated agents may help prevent resistance.
  • Effective infection control and antibiotic stewardship are vital to mitigate patient risk.

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