Abstract
An Innovative Method for the Control of Legionella Infections in the Hospital Hot Water Systems with a Stabilized Hydrogen Peroxide-Silver Formulation
Highlights
Legionella pneumophila contamination of hot water systems are difficult to control due to fact that hot water systems, which usually operate at 4050oC provide the optimal growth conditions for Legionella
Another factor is that deposits of water hardness, calcium and magnesium, build up in hot water systems, and provide rough pocked surfaces and conditions for biofilms development which result in favourable conditions for the protection of bacterial infections from chemical disinfection processes
This paper reports on a 24 month pilot study using an innovative method to control Legionella pneumophila in the closed loop hot water system of Rambam Hospital- a major hospital in the north of Israel, which has suffered a serious nosocomial outbreak of Legionnaires’ disease in its Bone Marrow Transplantation- BMT unit- one of the most sensitive units in the hospital.[3]
Summary
Legionella pneumophila contamination of hot water systems are difficult to control due to fact that hot water systems, which usually operate at 4050oC provide the optimal growth conditions for Legionella. Another factor is that deposits of water hardness, calcium and magnesium, build up in hot water systems, and provide rough pocked surfaces and conditions for biofilms development which result in favourable conditions for the protection of bacterial infections from chemical disinfection processes. This paper reports on a 24 month pilot study using an innovative method to control Legionella pneumophila in the closed loop hot water system of Rambam Hospital- a major hospital in the north of Israel, which has suffered a serious nosocomial outbreak of Legionnaires’ disease in its Bone Marrow Transplantation- BMT unit- one of the most sensitive units in the hospital.[3]
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