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Evaluation of an Ultraviolet C (UVC) Light-Emitting Device for Disinfection of High Touch Surfaces in Hospital Critical Areas

Author

Listed:
  • Beatrice Casini

    (Department of Translational Research, N.T.M.S., University of Pisa, via San Zeno, 37/39-56127 Pisa, Italy)

  • Benedetta Tuvo

    (Department of Translational Research, N.T.M.S., University of Pisa, via San Zeno, 37/39-56127 Pisa, Italy)

  • Maria Luisa Cristina

    (Department of Health Sciences, University of Genoa, via Pastore, 1-16132 Genoa, Italy)

  • Anna Maria Spagnolo

    (Department of Health Sciences, University of Genoa, via Pastore, 1-16132 Genoa, Italy)

  • Michele Totaro

    (Department of Translational Research, N.T.M.S., University of Pisa, via San Zeno, 37/39-56127 Pisa, Italy)

  • Angelo Baggiani

    (Department of Translational Research, N.T.M.S., University of Pisa, via San Zeno, 37/39-56127 Pisa, Italy)

  • Gaetano Pierpaolo Privitera

    (Department of Translational Research, N.T.M.S., University of Pisa, via San Zeno, 37/39-56127 Pisa, Italy)

Abstract

Implementation of environmental cleaning and disinfection has been shown to reduce the incidences of healthcare-associated infections. The effect of an enhanced strategy for terminal room disinfection, applying the pulsed xenon-based ultraviolet light no-touch disinfection systems (PX-UVC) after the current standard operating protocol (SOP) was evaluated. In a teaching hospital, the effectiveness in reducing the total bacterial count (TBC) and in eliminating high-concern microorganisms was assessed on five high-touch surfaces in different critical areas, immediately pre- and post-cleaning and disinfection procedures (345 sampling sites). PX-UVC showed only 18% (15/85) of positive samples after treatment compared to 63% (72/115) after SOP. The effectiveness of PX-UVC was also observed in the absence of manual cleaning and application of a chemical disinfectant. According to the hygienic standards proposed by the Italian Workers Compensation Authority, 9 of 80 (11%) surfaces in operating rooms showed TBC ≥15 CFU/24 cm 2 after the SOP, while all samples were compliant applying the SOP plus PX-UVC disinfection. Clostridium difficile (CD) spores and Klebsiella pneumoniae (KPC) were isolated only after the SOP. The implementation of the standard cleaning and disinfection procedure with the integration of the PX-UVC treatment had effective results in both the reduction of hygiene failures and in control environmental contamination by high-concern microorganisms.

Suggested Citation

  • Beatrice Casini & Benedetta Tuvo & Maria Luisa Cristina & Anna Maria Spagnolo & Michele Totaro & Angelo Baggiani & Gaetano Pierpaolo Privitera, 2019. "Evaluation of an Ultraviolet C (UVC) Light-Emitting Device for Disinfection of High Touch Surfaces in Hospital Critical Areas," IJERPH, MDPI, vol. 16(19), pages 1-10, September.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:19:p:3572-:d:270274
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    References listed on IDEAS

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    1. Beatrice Casini & Anna Righi & Nunzio De Feo & Michele Totaro & Serena Giorgi & Lavinia Zezza & Paola Valentini & Enrico Tagliaferri & Anna Laura Costa & Simona Barnini & Angelo Baggiani & Pietro Luig, 2018. "Improving Cleaning and Disinfection of High-Touch Surfaces in Intensive Care during Carbapenem-Resistant Acinetobacter baumannii Endemo-Epidemic Situations," IJERPH, MDPI, vol. 15(10), pages 1-9, October.
    2. Toffolutti, Veronica & Reeves, Aaron & McKee, Martin & Stuckler, David, 2017. "Outsourcing cleaning services increases MRSA incidence: Evidence from 126 english acute trusts," Social Science & Medicine, Elsevier, vol. 174(C), pages 64-69.
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    Cited by:

    1. Elizabeth C. Christenson & Ryan Cronk & Helen Atkinson & Aayush Bhatt & Emilio Berdiel & Michelle Cawley & Grace Cho & Collin Knox Coleman & Cailee Harrington & Kylie Heilferty & Don Fejfar & Emily J., 2021. "Evidence Map and Systematic Review of Disinfection Efficacy on Environmental Surfaces in Healthcare Facilities," IJERPH, MDPI, vol. 18(21), pages 1-22, October.
    2. Joji Abraham & Christopher Turville & Kim Dowling & Singarayer Florentine, 2021. "Does Climate Play Any Role in COVID-19 Spreading?—An Australian Perspective," IJERPH, MDPI, vol. 18(17), pages 1-14, August.
    3. Maria Luisa Cristina & Anna Maria Spagnolo & Luana Giribone & Alice Demartini & Marina Sartini, 2021. "Epidemiology and Prevention of Healthcare-Associated Infections in Geriatric Patients: A Narrative Review," IJERPH, MDPI, vol. 18(10), pages 1-12, May.
    4. Carla Russo & Desirée Bartolini & Cristina Corbucci & Anna Maria Stabile & Mario Rende & Antimo Gioiello & Gabriele Cruciani & Antonella Mencacci & Francesco Galli & Donatella Pietrella, 2021. "Effect of a UV-C Automatic Last-Generation Mobile Robotic System on Multi-Drug Resistant Pathogens," IJERPH, MDPI, vol. 18(24), pages 1-12, December.
    5. Beatrice Casini & Benedetta Tuvo & Michela Scarpaci & Michele Totaro & Federica Badalucco & Silvia Briani & Grazia Luchini & Anna Laura Costa & Angelo Baggiani, 2023. "Implementation of an Environmental Cleaning Protocol in Hospital Critical Areas Using a UV-C Disinfection Robot," IJERPH, MDPI, vol. 20(5), pages 1-10, February.
    6. Maria Eleonora Bizzoca & Giuseppina Campisi & Lorenzo Lo Muzio, 2020. "Covid-19 Pandemic: What Changes for Dentists and Oral Medicine Experts? A Narrative Review and Novel Approaches to Infection Containment," IJERPH, MDPI, vol. 17(11), pages 1-30, May.
    7. Maria Teresa Montagna & Osvalda De Giglio & Carla Calia & Chrysovalentinos Pousis & Francesca Apollonio & Carmen Campanale & Giusy Diella & Marco Lopuzzo & Angelo Marzella & Francesco Triggiano & Vinc, 2021. "First Detection of Severe Acute Respiratory Syndrome Coronavirus 2 on the Surfaces of Tourist-Recreational Facilities in Italy," IJERPH, MDPI, vol. 18(6), pages 1-6, March.
    8. Patryk Tarka & Aneta Nitsch-Osuch, 2020. "No-Touch Automated Disinfection System for Decontamination of Surfaces in Hospitals," IJERPH, MDPI, vol. 17(14), pages 1-10, July.

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