ArticleGMS Krankenhaushygiene interdisziplinar2011
Endowashers: an overlooked risk for possible post-endoscopic infections.
Article in GMS Krankenhaushygiene interdisziplinar, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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0 citing papers in PubMed, 4 citations in OpenAlex.
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Authors and funding
12 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPrevention of post-endoscopy infections is an important objective to assure patient safety. Endowashers, or high throughput irrigation water pumps, are a frequently used device on endoscopes. Recommendations published by professional bodies and regulatory health agencies cover not only adequate reprocessing of fiber-endoscopes but also state accepted methods of regular microbial sampling. Although major instruments like endoscopes are covered by these recommendations, other devices used as optional add-ons for endoscopes are not included.
objectiveThe aim of this prospective study was to investigate the potential for endowashers to act as a possible source of infection.
method24 endowashers were sampled. Sterile rinse-water was pumped through the endowasher and tested microbiologically according to standardised tests. Sampling was performed in 18 hospitals, including 2 university teaching hospitals, in northern Germany. If endowashers were contaminated, devices were reprocessed and re-tested.
resultsOf 44 samples, 6 (14%) were contaminated with pathogens of up to >20,000 cfu/ml. Pseudomonas aeruginosa and other Gram-negative non-fermenters such as Stenotrophomonas spp. (18x) and Acinetobacter spp. (2x), followed by Staphylococcus aureus (1x), Enterobacter cloacae (1x), Candida albicans (1x), Serratia spp. (1x), Streptococcus spp. (1x) and others (2x).
conclusionEndowashers can be a potential source of infection. Despite their common use, they are not routinely sampled microbiologically. Endowashers should be clearly mentioned in respective guidelines and routine quality control sampling of endowashers should be part of such recommendations. If endowashers are not monitored regularly, devices with single-use hoses should be used.
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