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Related Experiment Videos

Methicillin-resistant Staphylococcus aureus in community-acquired pyoderma.

Umashankar Nagaraju1, Gopalkrishna Bhat, Maria Kuruvila

  • 1Department of Dermatology, Kasturba Medical College, Mangalore, Karnataka State, India.

International Journal of Dermatology
|June 10, 2004
PubMed
Summary

Methicillin-resistant Staphylococcus aureus (MRSA) is emerging in community-acquired infections in India. High nasal carriage rates of MRSA in pyoderma patients suggest a need for antimicrobial stewardship to curb its spread.

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Methicillin-resistant Staphylococcus aureus (MRSA) is a significant pathogen in healthcare settings and increasingly in the community.
  • Reports of MRSA in community-acquired infections within India are infrequent, necessitating further investigation.
  • Pyoderma represents a common community-acquired infection where MRSA may be prevalent.

Purpose of the Study:

  • To determine the prevalence of MRSA in patients with community-acquired pyoderma.
  • To assess the rate of Staphylococcus aureus nasal colonization in these patients.
  • To understand the epidemiological link between nasal carriage and skin infections.

Main Methods:

  • A study involving 250 patients with community-acquired pyoderma in South India.

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  • Collection of swabs from skin lesions and anterior nares for bacterial culture.
  • Antimicrobial susceptibility testing using Kirby-Bauer disk diffusion, agar dilution, and agar screen methods.

    • Main Results:

    • Staphylococcus aureus was isolated from 80.8% of pyoderma cases.
    • Methicillin-resistant Staphylococcus aureus (MRSA) accounted for 10.9% of S. aureus isolates.
    • Nasal colonization with S. aureus was found in 54.4% of patients, with 11.8% carrying MRSA.

    Conclusions:

    • The findings indicate the emergence of MRSA in community-acquired infections in the study region.
    • A high rate of nasal carriage of S. aureus, including MRSA, may contribute to recurrent pyoderma.
    • Implementing appropriate antimicrobial policies and judicious antibiotic use is crucial to control MRSA dissemination in the community.