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Microbiological contamination of nursing mobile workstations: assessing their role in pathogen transmission in
M Vanmeenen1, V Duprez1, S Malfait1
1Nursing Department, Ghent University Hospital, Ghent, Belgium.
Introduction:
The nursing mobile workstation (NMW) is used daily on hospital nursing wards, where its serves multiple functions and is handled by various users in diverse settings. This study quantifies microbial contamination on NMW to assess the level and nature of contamination, offering insights into its potential contribution to pathogen transmission in healthcare environments.
Aims:
The aim of this study was to explore whether the NMW is a possible hazard for nosocomial infections in hospital settings.
Methods:
Samples were collected from thirty NMWs across sixteen nursing wards (150 samples total). The total bacterial count was determined, micro-organisms were identified, and each sample was classified using the Hazard Analysis - Critical Control Point hygiene classes.
Results:
A total of 327 micro-organisms were identified, including 6% (21/327) classified as potential pathogens, none of which were resistant to antibiotics. The degree of decontamination on the 150 samples was categorized using the hygiene classification of surfaces based on colony-forming unit counts. The results were as follows: 19% 'excellent', 12% 'good', 51% 'sufficient', 15% 'insufficient', and 3% 'poor'. Frequently touched surfaces, such as the side of the NMWs showed higher contamination levels than other areas.
Conclusions:
The overall degree of contamination of the NMW was reassuring, with the majority of surfaces demonstrating acceptable hygiene levels. However, attention must be directed towards the consistent cleaning and disinfection of frequently touched surfaces, particularly those with higher contamination risks, such as the sides and handles.
Insights
Microbial contamination on nursing mobile workstations (NMWs) was assessed. While overall hygiene was acceptable, frequently touched NMW surfaces require consistent cleaning to prevent healthcare-associated infections.
Area of Science:
- Healthcare epidemiology
- Microbiology
- Infection control
Background:
- Nursing mobile workstations (NMWs) are integral to daily hospital operations.
- Their frequent use and diverse handling raise concerns about microbial contamination and pathogen transmission.
Purpose of the Study:
- To quantify microbial contamination on NMWs.
- To assess the risk of NMWs contributing to nosocomial infections.
Main Methods:
- Collected 150 samples from 30 NMWs across 16 hospital wards.
- Determined total bacterial counts and identified microorganisms.
- Classified surface hygiene using Hazard Analysis - Critical Control Point (HACCP) standards.
Main Results:
- Identified 327 microorganisms, with 6% being potential pathogens (no antibiotic resistance).
- Hygiene classification: 19% excellent, 12% good, 51% sufficient, 15% insufficient, 3% poor.
- Frequently touched NMW surfaces showed higher contamination.
Conclusions:
- Overall NMW contamination levels were generally acceptable.
- Consistent cleaning and disinfection of high-touch surfaces (sides, handles) are crucial for infection control.
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