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Adoption of Improved Reprocessing Decreased Microbiological Non-Compliance for Bronchoscopes

Author

Listed:
  • Benedetta Tuvo

    (Department of Translational Research and the New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy)

  • Michela Scarpaci

    (Department of Translational Research and the New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy)

  • Tommaso Cosci

    (Department of Translational Research and the New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy)

  • Alessandro Ribechini

    (Thoracic Endoscopy Division, University Hospital of Pisa, 56126 Pisa, Italy)

  • Silvia Briani

    (Hospital Management, University Hospital of Pisa, 56126 Pisa, Italy)

  • Grazia Luchini

    (Hospital Management, University Hospital of Pisa, 56126 Pisa, Italy)

  • Michele Totaro

    (Department of Translational Research and the New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy)

  • Angelo Baggiani

    (Department of Translational Research and the New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy)

  • Maria Luisa Cristina

    (Department of Health Sciences, University of Genova, Via Pastore 1, 16132 Genova, Italy)

  • Simona Barnini

    (Microbiology Unit, University Hospital of Pisa, 56126 Pisa, Italy)

  • Simone Leonetti

    (Department of Life Science, School of Advanced Studies Sant’Anna, 56124 Pisa, Italy)

  • Beatrice Casini

    (Department of Translational Research and the New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy)

Abstract

Background: In the past few decades, the inadequate reprocessing of bronchoscopes has been associated with several serious outbreaks caused by multidrug-resistant microorganisms. In this study we evaluated the improvement in the quality of reprocessing in a Bronchoscopy Unit (BU), after the introduction of a new procedure. Methods: In 2019, observational and clinical audits were conducted in the BU. After the introduction of an improved procedure in 2020, a microbiological surveillance plan was implemented in 2021. Results: In 2019, 13 of 22 bronchoscopes (59%) resulted as non-compliant, 18% as high concern organisms (HCO) and 36.4% as high microbial count (≥100 CFU/all channels) and HCO. The most frequent microorganisms were Staphylococcus aureus (38.5%) and NDM-producing Klebsiella pneumoniae (15.4%). The bronchoscopes were stored inside their transport cases, which in some cases were found to be contaminated by the same strains isolated on the bronchoscopes ( Enterobacter gergoviae and Vibrio alginolyticus ). In 2021, all 31 bronchoscopes were sampled at least three times and 13/99 (13.1%) resulted as non-compliant, mostly K. pneumoniae (4.04%). Contamination level increases weakly in bronchoscopes in use for more than 14 years (R = 0.32). Conclusions: The adoption of an improved reprocessing procedure decreased the non-compliance of bronchoscopes, increasing the quality of the process and patient safety.

Suggested Citation

  • Benedetta Tuvo & Michela Scarpaci & Tommaso Cosci & Alessandro Ribechini & Silvia Briani & Grazia Luchini & Michele Totaro & Angelo Baggiani & Maria Luisa Cristina & Simona Barnini & Simone Leonetti &, 2022. "Adoption of Improved Reprocessing Decreased Microbiological Non-Compliance for Bronchoscopes," IJERPH, MDPI, vol. 19(21), pages 1-13, October.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:21:p:13978-:d:954901
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    References listed on IDEAS

    as
    1. Beatrice Casini & Benedetta Tuvo & Emanuele Marciano & Giuliana Del Magro & Giulia Gemignani & Grazia Luchini & Maria Luisa Cristina & Anna Laura Costa & Guglielmo Arzilli & Michele Totaro & Angelo Ba, 2021. "Improving the Reprocessing Quality of Flexible Thermolabile Endoscopes: How to Learn from Mistakes," IJERPH, MDPI, vol. 18(5), pages 1-15, March.
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