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Nasal screening for Staphylococcus aureus--daily routine with improvement potentials
Philipp Warnke1, Tim Harnack1, Peter Ottl2
1Institute of Medical Microbiology, Virology and Hygiene, University Hospital Rostock, Rostock, Germany.
Plos One
|March 4, 2014
Summary
Medical professionals
Area of Science:
- Infectious Diseases
- Microbiology
- Medical Education
Background:
- Staphylococcus aureus causes severe infections and is a public health cost.
- Asymptomatic nasal carriage of S. aureus affects up to 50% of the population.
- Nasal swabs are standard for identifying S. aureus carriers.
Purpose of the Study:
- To assess medical professionals' skill in nasal swabbing.
- To evaluate the impact of teaching on bacterial recovery rates.
Main Methods:
- 364 participants used an artificial nose model inoculated with bacteria.
- Swabbing was performed before and after standardized teaching.
- Bacterial recovery was measured using viable count techniques.
Main Results:
- Combined theoretical and practical teaching significantly improved bacterial recovery.
- Trained participants showed higher detection rates (158.1 CFU) than untrained (47.5 CFU).
- Even experienced professionals improved after training.
Conclusions:
- A novel teaching algorithm with an artificial nose model enhances nasal swab technique.
- Improved detection rates can reduce S. aureus transmission and healthcare costs.
- Combined theoretical, visual, and practical teaching is essential and recommended.
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