Antibiotic resistance among clinically important gram-positive bacteria in the UK

A P Johnson1

  • 1Antibiotic Reference Laboratory, Central Public Health Laboratory, Colindale, London, UK.

Insights

Antibiotic resistance in bacteria like Staphylococcus aureus and Streptococcus pneumoniae is rising, posing a significant public health threat. Controlling this requires better surveillance, reduced antibiotic use, and strategies like vaccination.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Increasing bacterial resistance to antibiotics, especially first-line treatments, is a growing global concern.
  • Specific rising resistance includes methicillin-resistant Staphylococcus aureus (MRSA), mupirocin-resistant S. aureus, penicillin-resistant Streptococcus pneumoniae, macrolide-resistant S. pneumoniae, and glycopeptide-resistant enterococci (GRE).
  • The spread of epidemic strains between hospitals contributes to the rise of MRSA and GRE.

Purpose of the Study:

  • To highlight the increasing prevalence of antibiotic resistance in key bacterial pathogens.
  • To discuss the contributing factors, including inter-hospital spread of resistant strains.
  • To emphasize the need for a comprehensive strategy to combat emerging antibiotic resistance.

Main Methods:

  • This study is a review and analysis of current trends in antibiotic resistance.
  • It synthesizes data on resistance patterns in Staphylococcus aureus and Streptococcus pneumoniae.
  • It also considers the emergence of glycopeptide-resistant enterococci in hospital settings.

Main Results:

  • Prevalence of resistance to methicillin and mupirocin in Staphylococcus aureus is increasing in the UK.
  • Resistance to penicillin and macrolides in Streptococcus pneumoniae is also on the rise.
  • There is an observed increase in hospital-acquired infections with glycopeptide-resistant enterococci.

Conclusions:

  • Emerging resistance to new antibiotics like quinolones and streptogramins is anticipated.
  • A multi-faceted approach is essential for controlling Gram-positive bacterial resistance.
  • Key strategies include enhanced surveillance, judicious antibiotic use, and vaccination programs.

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