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Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus MRSA
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Invasive Community Acquired Methicillin-Resistant Staphylococcal Aureus (CA-MRSA) Infections in Children

Muhammad Khalid1, Samina Junejo1, Fatima Mir1

  • 1Department of Pediatric Infectious Diseases, The Aga Khan University Hospital, Karachi.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|September 4, 2018
PubMed

Insights

Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) is increasingly affecting children with severe invasive infections. Prompt diagnosis and treatment, including surgery and antibiotics, are crucial for survival.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Pediatrics

Background:

  • Staphylococci, gram-positive bacteria, are classified as coagulase-positive or negative.
  • Staphylococcus aureus is a significant pathogen within this group.
  • The epidemiology of methicillin-resistant Staphylococcus aureus (MRSA) has evolved, extending beyond hospital settings.

Observation:

  • Community-acquired MRSA (CA-MRSA) infections are increasingly prevalent in children.
  • CA-MRSA severity is linked to Panton-Valentine Leukocidin (PVL) toxin production and SCCmec type IV.
  • Five pediatric cases of invasive CA-MRSA infections are presented, ranging in age from 0.5 months to 11 years.

Findings:

  • The pediatric cases involved severe invasive infections: empyema thoracis, infective endocarditis, psoas abscess, and necrotizing fasciitis.
  • All patients experienced invasive MRSA infections.
  • The causative agent was identified as MRSA.

Implications:

  • Early surgical intervention is vital for managing severe CA-MRSA infections in children.
  • Rapid microbiological identification of MRSA is critical for effective treatment.
  • Appropriate antimicrobial therapy, alongside surgical and microbiological interventions, improves patient outcomes and survival rates.

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