Journal article
Microbiological evaluation of the ability of the DEKO-190 Washer/Disinfector to remove Clostridium difficile spores from bedpan surfaces
Infection, Disease & Health, Vol.24(4), pp.208-211
2019
Abstract
Background: Clostridium difficile is a major nosocomial pathogen causing mild diarrhoea to life-threatening pseudomembranous colitis, and its spores frequently contaminate hospital environments and equipment. Washer/Disinfectors (WDs) are commonly used to clean and decontaminate soiled equipment in health care facilities. This study aimed to evaluate the effectiveness of the DEKO-190 WD in removing C. difficile spores from bedpans.
Methods: Plastic carriers were inoculated with suspensions of C. difficile spores in autoclaved (sterile) human faeces. The carriers were then taped to a sterile plastic bedpan which was subjected to short, long or intensive wash cycles in the WD using one of two test detergents: Formula A (generic) and Formula B (highly alkaline). Mean log10 reductions in spores were calculated for each wash cycle.
Results: Mean log10 reductions were 3.21(SEM ± 0.20) and 2.82 (±0.13) for Formula A and B, respectively, for the short cycle. The mean log10 reductions using the long wash cycle were 3.65 (±0.44) using Formula A and 5.30 (±0.43) using Formula B, while log10 reductions were 3.37 (±0.58) (Formula A) and 4.64 (±0.47) (Formula B) for the intensive cycle. Washing with the DEKO-190 significantly reduced spore concentrations on carrier surfaces on a bedpan. Spore counts were most effectively reduced when carriers were washed on a long or intensive wash cycle using an alkaline detergent.
Details
- Title
- Microbiological evaluation of the ability of the DEKO-190 Washer/Disinfector to remove Clostridium difficile spores from bedpan surfaces
- Authors/Creators
- D.A. Collins (Author/Creator) - Edith Cowan UniversityK.C. Carson (Author/Creator) - Pathwest Laboratory MedicineT.V. Riley (Author/Creator) - The University of Western Australia
- Publication Details
- Infection, Disease & Health, Vol.24(4), pp.208-211
- Publisher
- Australasian College for Infection Prevention and Control
- Identifiers
- 991005539571907891
- Copyright
- © 2019 Australasian College for Infection Prevention and Control
- Murdoch Affiliation
- School of Veterinary and Life Sciences
- Language
- English
- Resource Type
- Journal article
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