Research and Articles
The Dri-Scope Aid® team has done some research for you. The research below not only focuses on WHY you should be drying, but HOW you can accomplish this important step in your reprocessing cycle.
Comparison of automated and manual drying in the elimination of residual endoscope working channel fluid after reprocessing (with video).
Results: Significantly more fluid droplets were evident after manual drying than with automated device-facilitated drying for either 5 minutes (.83t 1.29: P=.007) or 10 minutes (0 t 0: P=.001). ATP bioluminescence values were higher for manual drying compared with automated drying at 48 and 72 hours after reprocessing.
Barakat MT1, Huang RJ1, Banerjee S1 Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, CA
Gastrointest Endosc. 2019 Jan;89(1):124-132.e2. doi: 10.1016/j.gie.2018.08.033. Epub 2018 Aug 25
Endoscope reprocessing: Comparison of drying effectiveness and microbial levels with an automated drying and storage cabinet with forced filtered air and a standard storage cabinet.
Results: Using the automated drying and storage cabinet, internal channels were dry at 1 hour and external surfaces at 3 hours in all endoscopes. With the standard storage cabinet, there was residual internal fluid at 24 hours, whereas external surfaces were dry at 24 hours. For bronchoscopes, colonoscopes, and duodenoscopes, the standard cabinet allowed for an average rate of colony forming unit growth of 8.1 × 106 per hour, 8.3 × 106 per hour, and 7.0 × 107 per hour, respectively; the automated cabinet resulted in colony forming unit growth at an average rate of -28.4 per hour (P = .02), -38.5 per hour (P = .01), and -200.2 per hour (P = .02), respectively.
Perumpail RB1, Marya NB1, McGinty BL2, Muthusamy VR3 David Geffen School of Medicine at UCLA, Los Angeles, CA Department of Gastroenterology Services, Northside Hospital, Atlanta GA
Am J Infect Control. 2019 Apr 6. pii: S0196-6553(19)30104-X. doi: 10.1016/j.ajic.2019.02.016
Residual moisture and waterborne pathogens inside flexible endoscopes: Evidence from a multisite study of endoscope drying effectiveness.
Results: Fluid was detected in 22 of 45 (49%) endoscopes. Prevalence of moisture varied significantly by site (5%; 83%; 85%; P < .001). High adenosine triphosphate levels were found in 22% of endoscopes, and microbial growth was detected in 71% of endoscopes. Retained fluid was associated with significantly higher adenosine triphosphate levels (P < .01). Reprocessing and drying practices conformed with guidelines at 1 site and were substandard at 2 sites. Damaged endoscopes were in use at all sites.
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Dri-Scope Aid® Cabinet