Impact of pulsed xenon ultraviolet disinfection on surface contamination in a hospital facility's expressed human milk feed preparation area

BMC Infectious Diseases
Ricky Dippenaar, Johan Smith

Abstract

Expressed human milk (EHM) feed preparation areas represent a potential source of unintentional nosocomial infection. Daily disinfection of environmental surfaces remains an essential intervention to mitigate nosocomial infections. The inefficiency of conventional cleaning and disinfection contributes to an increased risk for the acquisition of multi-drug resistant pathogens. "Non touch" technologies such as the pulsed xenon ultraviolet (PX-UVD) light device have documented sustained reduction in surface bacterial colonization and reduced cross contamination. The impact of a PX-UVD on surface colony forming units per square centimeter (cfu/cm2) in feed preparation areas was evaluated following its implementation as standard care. A quasi-experimental study was performed documenting bacterial colonization from 6 high risk feed preparation areas in a community care hospital in South Africa. Pre and post conventional cleaning neutralizing rinse swabs were collected fortnightly over a 16 week control period prior to the introduction of the PX-UVD and compared to a matching set of samples for the PX-UVD period. A 90% reduction in total surface bioburden was noted from the control period (544 cfu/cm2) compared to the corresponding PX...Continue Reading

References

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Citations

Apr 12, 2020·Journal of Photochemistry and Photobiology. B, Biology·Jing-Jing LiChang-Qing Gao
Jan 1, 2021·Journal of Photochemistry and Photobiology. B, Biology·Julie JeanVicente M Gómez-López
May 25, 2021·The Journal of Hospital Infection·F ChiappaA Odone

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