Methicillin-resistant and methicillin-susceptible community-acquired Staphylococcus aureus infection among children

Area of Science:

• Pediatric Infectious Diseases
• Microbiology
• Epidemiology

Background:

• Methicillin-resistant Staphylococcus aureus (MRSA) is a growing global public health concern for community-acquired infections.
• Staphylococcus aureus infections in children are increasingly recognized, necessitating an understanding of causative strains.

Purpose of the Study:

• To describe the spectrum of community-acquired Staphylococcus aureus infections in patients under 20 years old.
• To compare clinical characteristics and outcomes between infections caused by methicillin-susceptible Staphylococcus aureus (MSSA) and MRSA.

Main Methods:

• Retrospective analysis of 90 community-acquired Staphylococcus aureus cases over 11 years.
• Collection and review of clinical and microbiological data, including infection type, complications, and treatment.

Main Results:

• The majority of pediatric patients had skin/soft tissue or deep-seated infections; 37.8% and 62.2% respectively.
• Six (6.7%) MRSA strains were identified. Patients with MSSA and MRSA infections exhibited similar baseline characteristics and treatment outcomes.
• Complications included pleural effusion, osteomyelitis, and sepsis, with a 2.6% mortality rate.

Conclusions:

• Both MSSA and MRSA can cause severe morbidity and mortality in children.
• Despite infrequent MRSA detection, it poses a similar risk profile to MSSA in this pediatric population.
• Effective antibiotic treatment, including oxacillin or cefalotin, is crucial for managing Staphylococcus aureus infections.