A domestic, gaseous ozone generator was investigated for use in the decontamination of hospital side-rooms that have housed patients colonized with methicillin-resistant Staphylococcus aureus (MRSA).
Three models of bacterial contamination were used.
These were exposed to ozone generation in a standard hospital side-room for 4 and 7 h. A methicillin-sensitiv and a methicillin-resistant strain of S. aureus were compared.
Ozone concentrations of 0.14 ppm were reached, levels which are sufficient to cause mild pulmonary toxicity.
Bacterial counts were reduced in the vicinity of the gas generator in most instances, but the effect elsewhere in the room was, at best, limited.
MRSA appeared more resistant to the effects of ozone than methicillin-sensitive S. aureus.
We conclude that the device tested would be inadequate for the decontamination of such hospital side-rooms.
Mots-clés Pascal : Staphylococcie, Bactériose, Infection, Staphylococcus aureus, Micrococcaceae, Micrococcales, Bactérie, Décontamination, Souche hospitalière, Désinfection, Etat gazeux, Ozone, Antibactérien, Hôpital, Etude expérimentale, Efficacité, Hygiène, Souche résistante méticilline
Mots-clés Pascal anglais : Staphylococcal infection, Bacteriosis, Infection, Staphylococcus aureus, Micrococcaceae, Micrococcales, Bacteria, Decontamination, Hospital strain, Disinfection, Gaseous state, Ozone, Antibacterial agent, Hospital, Experimental study, Efficiency, Hygiene
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 98-0448728
Code Inist : 002B05B02N. Création : 25/01/1999.