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Oxygen nipple and nut (Christmas tree) adaptor contamination rates and decontamination with disinfecting wipes

  • Nicole A. Colandrea (a1), Michael L. Cleary (a2), David R. Peaper (a3), Linda K. Sullivan (a1), Richard A. Martinello (a1) (a4) (a5) and Thomas S. Murray (a1) (a5)...

Abstract

Objective:

Different manufacturers recommend different levels of disinfection for oxygen nipple and nut adaptors, also known as Christmas-tree adaptors (CTAs). We aimed to determine the bacterial contamination rates of CTAs before and after clinical use and whether disinfection wipes effectively eliminate bacteria from CTAs.

Methods:

CTAs were swabbed for bacteria directly from the shipment box or after use in a medical intensive care unit to determine levels of contamination. CTAs were also inoculated in the laboratory with a variety of bacteria and disinfected with either 0.5% hydrogen peroxide (Oxivir 1) or 0.25% tetra-ammonium chloride with 44.50% isopropyl alcohol (Super Sani-Cloth), and the effectiveness of each wipe was determined by comparing the bacterial recovery before and after disinfection.

Results:

CTAs exhibit low levels of bacterial burden before and after clinical use. Both disinfecting wipes were effective at removing bacteria from the CTAs.

Conclusions:

Low-level disinfection of CTAs is appropriate prior to redeployment in the clinical setting.

Copyright

Corresponding author

Author for correspondence: Thomas S. Murray, E-mail: Thomas.s.murray@yale.edu

References

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1.Rutala, WA, Weber, DJ. Healthcare Infection Control Practices Advisory Committee. Guideline for disinfection and sterilization in healthcare facilities, 2008 Center for Disease Control and Prevention website. www.cdc.gov/infectioncontrol/guidelines/disinfection. Published 2009. Accessed October 1, 2019.
2.MES website. www.mymesinc.com/category_s/1828.htm. Accessed September 26, 2019.
3.US Oxivir Brochure, 2018. Diversey website. diversey.com/en/solutions/infection-prevention/oxivir. Published 2018. Accessed October 9, 2019.
4.Super Sani-cloth technical data bulletin, 2019. PDI website. https://pdihc.com/wp-content/uploads/2018/08/Super-Sani-Cloth-Tech-Data-Bulletin_0619-UPDATE_07168610.pdf. Published 2019. Accessed October 9, 2019.
5.List H: EPA’s registered products effective against methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococcus faecalis or faecium (VRE), 2018. United States Environmental Protection Agency website. https://www.epa.gov/pesticide-registration/list-h-epas-registered-products-effective-against-methicillin-resistant. Published 2018. Accessed September 22, 2019.
6.Nandy, P, Lucas, AD, Gonzalez, EA, Hitchins, VM. Efficacy of commercially available wipes for disinfection of pulse oximeter sensors. Am J Infect Control 2016;44:304310.
7.Risteen, R, Cohen, S, Mooney, L, Giovanniello, E, Miley, GB, Hollenbeck, BL. Disinfection of blood pressure cuffs and electrocardiographic telemetry leads with 0.5% hydrogen peroxide wipes. Am J Crit Care 2018;27:322327.
8.Sattar, SA, Bradley, C, Kibbee, R, et al.Disinfectant wipes are appropriate to control microbial bioburden from surfaces: use of a new ASTM standard test protocol to demonstrate efficacy. J Hosp Infect 2015;91:319325.
9.Gerba, C, Lopez, G, Ikner, L. Distribution of bacteria in dental offices and the impact of hydrogen peroxide disinfecting wipes. J Dental Hygiene 2016;90:354361.

Oxygen nipple and nut (Christmas tree) adaptor contamination rates and decontamination with disinfecting wipes

  • Nicole A. Colandrea (a1), Michael L. Cleary (a2), David R. Peaper (a3), Linda K. Sullivan (a1), Richard A. Martinello (a1) (a4) (a5) and Thomas S. Murray (a1) (a5)...

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