Evaluation of a bipolar ionization device in inactivation of antimicrobial-resistant bacteria, yeast, Aspergillus spp. and human coronavirus.
J Hosp Infect
; 126: 16-20, 2022 Aug.
Article
in English
| MEDLINE | ID: covidwho-1878269
ABSTRACT
BACKGROUND:
The efficacy of bipolar ionization in the healthcare setting has yet to be proven. A major limitation of studies sponsored by industry has been the assessment of efficiency within test chambers in which ozone levels are not adequately controlled.AIM:
To assess the effectiveness of bipolar ionization against antimicrobial-resistant bacteria, fungi and human coronavirus within a controlled test chamber designed to mitigate the effect of ozone.METHODS:
Bacteria- and fungi-inoculated gauze pads, and human coronavirus 229E-inoculated stainless steel plates were placed within the vicinity of the AIO-2 bipolar ionizer and left at room temperature (2 h for coronavirus and 4 h for bacteria and fungi).FINDINGS:
Four hours of exposure to bipolar ionization showed a 1.23-4.76 log reduction, corresponding to a 94.2->99.9% colony-forming units/gauze reduction, in Clostridioides difficile, Klebsiella pneumoniae carbapenemase-producing K. pneumoniae, meticillin-resistant Staphylococcus aureus and multi-drug-resistant S. aureus. A 1.2 log 50% tissue culture infectious dose reduction in human coronavirus was observed after 2 h.CONCLUSION:
The assessment of bipolar ionization systems merits further investigation as an infection control measure.Keywords
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Main subject:
Ozone
/
Coronavirus
/
Methicillin-Resistant Staphylococcus aureus
/
Anti-Infective Agents
Type of study:
Experimental Studies
Limits:
Humans
Language:
English
Journal:
J Hosp Infect
Year:
2022
Document Type:
Article
Affiliation country:
J.jhin.2022.04.004
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