Hospital-acquired legionnaires disease in a university hospital: impact of the copper-silver ionization system.
retrospective_cohort · Level III
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Abstract
We evaluated the impact of the copper-silver ionization system in a hospital where hyperendemic nosocomial legionellosis and was present and all previous disinfection measures had failed. After implementation of the copper-silver ionization system, environmental colonization with Legionella species decreased significantly, and the incidence of nosocomial legionellosis decreased dramatically, from 2.45 to 0.18 cases per 1000 patient discharges.
Medical subject headings
- Copper
- Cross Infection
- Legionnaires' Disease
- Maintenance and Engineering, Hospital
- Silver
- Water Purification