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

Lynn El Haddad1, Shashank S Ghantoji1, Mark Stibich1,2

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Summary
This summary is machine-generated.

Pulsed xenon ultraviolet (PX-UV) disinfection effectively reduces bacterial load on operating room surfaces between cases. A 2-minute PX-UV cycle, combined with manual cleaning, significantly enhances environmental decontamination, potentially lowering surgical site infection risks.

Keywords:
Between-cases mimickingEnvironment cleanlinessOperating roomsPulsed xenon ultraviolet

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Area of Science:

  • Infection Control
  • Microbiology
  • Environmental Hygiene

Background:

  • Surgical site infections (SSIs) are linked to operating room (OR) environmental contamination.
  • Pulsed xenon ultraviolet (PX-UV) light is a no-touch disinfection system used in healthcare settings.
  • Previous studies demonstrated PX-UV efficacy in end-of-day OR cleaning, but not between surgical procedures.

Purpose of the Study:

  • To evaluate the feasibility and efficacy of PX-UV disinfection between surgical cases in the OR.
  • To determine the optimal cycle duration for PX-UV disinfection in a clinical setting.

Main Methods:

  • High-touch surfaces in 30 ORs were sampled post-manual cleaning and post-PX-UV disinfection.
  • PX-UV disinfection cycles of 1, 2, and 8 minutes were tested.
  • Bacterial load was quantified using Tryptic Soy Agar contact plates.

Main Results:

  • A 2-minute PX-UV cycle, when combined with standard manual cleaning, eliminated at least 70% more bacteria.
  • The PX-UV system demonstrated efficacy in reducing bacterial contaminants on OR surfaces.

Conclusions:

  • A 2-minute PX-UV cycle is effective for between-case disinfection in ORs.
  • This rapid disinfection method can improve OR turnover times and potentially reduce pathogen transmission and SSIs.