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5 results

  • Oxygen nipple and nut (Christmas tree) adaptor contamination rates and decontamination with disinfecting wipes
  • Nicole A. Colandrea, Michael L. Cleary, David R. Peaper, Linda K. Sullivan, Richard A. Martinello, Thomas S. Murray
  • Journal: Infection Control & Hospital Epidemiology / Volume 41 / Issue 4 / April 2020
  • Published online by Cambridge University Press: 27 January 2020, pp. 396-399
  • Print publication: April 2020
  • View 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.