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Outbreak of Pseudomonas aeruginosa following endoscopic retrograde cholangiopancreatography

J J Earnshaw, A W Clark, B T Thom

    The Journal of Hospital Infection
    |March 1, 1985
    PubMed

    Insights

    Five patients developed gentamicin-resistant Pseudomonas aeruginosa infections following endoscopic retrograde cholangiopancreatography. The bacteria were traced to the endoscope, highlighting the critical need for thorough equipment disinfection.

    Area of Science:

    • Infectious Diseases
    • Gastroenterology
    • Medical Device Reprocessing

    Background:

    • Endoscopic retrograde cholangiopancreatography (ERCP) is a common procedure.
    • Hospital-acquired infections are a significant concern in healthcare settings.
    • Pseudomonas aeruginosa is an opportunistic pathogen often associated with healthcare-associated infections.

    Purpose of the Study:

    • To report a cluster of gentamicin-resistant Pseudomonas aeruginosa infections.
    • To identify the source of infection in patients undergoing ERCP.
    • To emphasize the importance of endoscope disinfection protocols.

    Main Methods:

    • Case series reporting five patients.
    • Infection surveillance during a 12-week period.
    • Microbiological culturing of the endoscope used in patient procedures.

    Main Results:

    • Five patients developed gentamicin-resistant Pseudomonas aeruginosa infection post-ERCP.
    • The same endoscope was used for all affected patients.
    • Pseudomonas aeruginosa was successfully cultured from the endoscopic apparatus.

    Conclusions:

    • Inadequate disinfection of endoscopes can lead to patient infections.
    • Proper reprocessing of endoscopic equipment is crucial for preventing outbreaks.
    • This case highlights the risk of cross-contamination from shared medical devices.

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