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Methods of Disinfecting Stethoscopes: Systematic Review.
Margherita Napolitani1, Daiana Bezzini2, Fulvio Moirano3
1Post Graduate School of Public Health, University of Siena, 53100 Siena; Italy.
Summary
Disinfecting stethoscopes is crucial for infection control. Various methods, including alcohol-based solutions and UV-C light, effectively reduce bacterial contamination on stethoscope surfaces.
Area of Science:
- Infection Control
- Medical Device Decontamination
- Microbiology
Background:
- Stethoscopes can harbor microorganisms, posing a risk for healthcare-associated infections.
- Effective disinfection protocols for stethoscopes are essential for patient safety.
Purpose of the Study:
- To systematically review the efficacy of different stethoscope disinfection methods.
- To identify scientifically validated approaches for reducing stethoscope contamination.
Main Methods:
- Systematic literature search of PubMed and Scopus databases.
- Inclusion of studies evaluating at least one stethoscope disinfection method.
- Screening and analysis of 253 publications, with 17 selected for review.
Main Results:
- Ethanol (90%), alcohol-based hand sanitizers, triclosan, chlorhexidine, isopropyl alcohol, ethyl alcohol (66%), sodium hypochlorite, and benzalkonium chloride effectively reduce bacterial presence.
- Alcohol wipes and UV-C light devices show efficacy against healthcare-associated infection microorganisms.
- Copper surfaces demonstrated a reduction in bacterial load, while silver ion-impregnated covers showed increased counts.
Conclusions:
- Multiple effective methods exist for stethoscope disinfection, including chemical agents and UV-C light.
- The selection of a disinfection method should consider factors like cost, availability, and practicality.
- Regular disinfection of stethoscopes is vital in healthcare settings to prevent pathogen transmission.
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