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Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
12:18

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Published on: February 9, 2011

[Bacteriology of cutaneous infections of the child]

J Raymond1, R Cohen

  • 1Service de Bactériologie, Hôpital Cochin, 27 rue du Faubourg Saint Jacques, 75679 Paris cedex 19, France. J.Raymond@svp.aphp.fr

Archives De Pediatrie : Organe Officiel De La Societe Francaise De Pediatrie
|November 13, 2008
PubMed

Insights

Streptococcus pyogenes and Staphylococcus aureus cause most childhood skin infections. While beta-lactams remain effective, macrolide resistance in S. pyogenes is significant, and S. aureus shows high penicillin resistance.

Area of Science:

  • Microbiology
  • Pediatric infectious diseases
  • Antimicrobial resistance

Context:

  • Childhood skin infections are frequently caused by Streptococcus pyogenes and Staphylococcus aureus.
  • Antibiotic resistance patterns are critical for effective treatment strategies in pediatric populations.
  • Understanding resistance mechanisms, such as target modification by the ermB gene in S. pyogenes, is essential.

Purpose:

  • To analyze the current antibiotic susceptibility profiles of Streptococcus pyogenes and Staphylococcus aureus in pediatric skin infections.
  • To identify the prevalence and mechanisms of antibiotic resistance in these key bacterial pathogens.
  • To inform clinical practice and public health strategies regarding pediatric skin infections.

Summary:

  • Streptococcus pyogenes exhibits variable but significant macrolide resistance (>10%), often due to target modification (ermB gene). It remains susceptible to beta-lactams.
  • Staphylococcus aureus strains demonstrate high resistance to penicillins G and A but remain susceptible to penicillin M and cephalosporins.
  • Methicillin-resistant Staphylococcus aureus (MRSA) incidence in community-acquired infections in France is low (approx. 6%), but a potential increase is a concern.

Impact:

  • Highlights the need for ongoing surveillance of antibiotic resistance in common pediatric pathogens.
  • Informs the selection of appropriate antimicrobial agents for treating childhood skin infections.
  • Underscores the potential threat of emerging MRSA strains in community settings.

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