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Evaluation of a pulsed xenon ultraviolet disinfection system to decrease bacterial contamination in operating rooms

Overview of attention for article published in BMC Infectious Diseases, October 2017
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Evaluation of a pulsed xenon ultraviolet disinfection system to decrease bacterial contamination in operating rooms
Published in
BMC Infectious Diseases, October 2017
DOI 10.1186/s12879-017-2792-z
Pubmed ID

Lynn El Haddad, Shashank S. Ghantoji, Mark Stibich, Jason B. Fleming, Cindy Segal, Kathy M. Ware, Roy F. Chemaly


Environmental cleanliness is one of the contributing factors for surgical site infections in the operating rooms (ORs). To decrease environmental contamination, pulsed xenon ultraviolet (PX-UV), an easy and safe no-touch disinfection system, is employed in several hospital environments. The positive effect of this technology on environmental decontamination has been observed in patient rooms and ORs during the end-of-day cleaning but so far, no study explored its feasibility between surgical cases in the OR. In this study, 5 high-touch surfaces in 30 ORs were sampled after manual cleaning and after PX-UV intervention mimicking between-case cleaning to avoid the disruption of the ORs' normal flow. The efficacy of a 1-min, 2-min, and 8-min cycle were tested by measuring the surfaces' contaminants by quantitative cultures using Tryptic Soy Agar contact plates. We showed that combining standard between-case manual cleaning of surfaces with a 2-min cycle of disinfection using a portable xenon pulsed ultraviolet light germicidal device eliminated at least 70% more bacterial load after manual cleaning. This study showed the proof of efficacy of a 2-min cycle of PX-UV in ORs in eliminating bacterial contaminants. This method will allow a short time for room turnover and a potential reduction of pathogen transmission to patients and possibly surgical site infections.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 59 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 59 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 8 14%
Student > Bachelor 8 14%
Researcher 7 12%
Student > Ph. D. Student 3 5%
Professor 2 3%
Other 8 14%
Unknown 23 39%
Readers by discipline Count As %
Engineering 10 17%
Medicine and Dentistry 3 5%
Immunology and Microbiology 3 5%
Chemistry 3 5%
Nursing and Health Professions 2 3%
Other 11 19%
Unknown 27 46%