There has been considerable media attention recently to the transmission of CRE (carbapenem-resistant Enterobacteriaceae) to patients via contaminated duodenoscopes, resulting in some fatalities (Briggs 2015, Lowes 2015). The problem has now occurred in multiple hospitals in multiple states so one should assume that the risk is likely present anywhere duodenoscopes are used.
As a result, new guidelines for appropriate cleaning and
reprocessing and validation of sterility have been issued by multiple sources,
including the FDA,
CDC,
ECRI
Institute, American
Gastroenterological Association, and a device
manufacturer.
The ECRI Institute recommendations note that they suspect the problem applies to all duodenoscopes, not just those from one manufacturer. Hence it is important to ensure that your processes comply with the manufacturer’s recommendations. But ECRI Institute considers the key step is culturing the duodenoscopes after they have gone through your reprocessing procedures and waiting to release the scopes only after negative cultures are received. They note that those facilities with lesser resources might consider weekly culturing rather than culturing each scope after each reprocessing cycle. We think we will avoid those facilities with “lesser resources”!
The new procedures seem to especially focus on the forceps elevator recess. We refer you to the above sites for details. However, we suspect that the guidelines are still evolving and we are likely to hear more down the line.
References:
Briggs B, Blankstein A. UCLA Warns Nearly 180 Patients about Dangerous 'Superbug' Exposure. NBC News. February 19, 2015
Lowes R. Infection-Prone Duodenoscopes to Stay on Market, FDA Says. Medscape Medical News March 12, 2015
http://www.medscape.com/viewarticle/841394?src=wnl_edit_tpal&uac=14695HV
FDA (US Food and Drug Administration). Center for Devices and Radiological Health. Reprocessing Medical Devices in Health Care Settings: Validation Methods and Labeling Guidance for Industry and Food and Drug Administration Staff. FDA March 17, 2015
CDC (Centers for Disease Control and Prevention). Interim Duodenoscope Surveillance Protocol. Interim Protocol for Healthcare Facilities. Regarding Surveillance for Bacterial Contamination of Duodenoscopes after Reprocessing. CDC March 12, 2015
http://www.cdc.gov/hai/organisms/cre/cre-duodenoscope-surveillance-protocol.html
ECRI Institute. High Priority Hazard Report. ECRI Institute Recommends Culturing
Duodenoscopes as a Key Step to Reducing CRE Infections. ECRI Institute 2015; March 3, 2015
American Gastroenterological Association (AGA). How to Stop Duodenoscope Infections. March 23, 2015
http://www.gastro.org/news/articles/2015/03/23/how-to-stop-duodenoscope-infections
Infection Control Today. Olympus Validates New Reprocessing Instructions for Model TJF-Q180V Duodenoscopes. Infection Control Today. March 31, 2015
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