An investigation of contact transmission of methicillin-resistant Staphylococcus aureus

E S McBryde1, L C Bradley, M Whitby

  • 1Princess Alexandra Hospital, Brisbane, Qld. 4001, Australia. e.mcbryde@qut.edu.au

Insights

Healthcare worker gloves become contaminated with methicillin-resistant Staphylococcus aureus (MRSA) in 17% of patient contacts. Compliance with glove use and handwashing protocols varied significantly among staff, impacting infection control.

Area of Science:

  • Infection Prevention and Control
  • Healthcare Epidemiology
  • Clinical Microbiology

Background:

  • Methicillin-resistant Staphylococcus aureus (MRSA) poses a significant threat in healthcare settings.
  • Patient-to-patient transmission of MRSA is largely attributed to healthcare worker hands.
  • Understanding contamination pathways and compliance is crucial for effective infection control.

Purpose of the Study:

  • To quantify MRSA contamination rates on healthcare worker gloves after patient contact.
  • To evaluate the effectiveness of handwashing for decontaminating hands.
  • To assess compliance with hand hygiene and glove use protocols among different healthcare professional groups.

Main Methods:

  • A study was conducted at a large teaching hospital.
  • Investigated MRSA transmission from colonized patients to healthcare worker gloves.
  • Assessed handwashing effectiveness and compliance rates for hand hygiene and glove use.

Main Results:

  • Approximately 17% of contacts between healthcare workers and MRSA-colonized patients resulted in glove contamination.
  • Significant variations in compliance with infection control procedures were observed across different staff groups.
  • Doctors showed notably low glove use compliance (27%) compared to other groups (≥75%).

Conclusions:

  • Healthcare worker gloves are frequently contaminated with MRSA during patient interactions.
  • Inconsistent adherence to hand hygiene and glove use protocols, particularly among physicians, requires targeted interventions.
  • Improved compliance is essential to reduce MRSA transmission in hospitals.

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