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- 저자 : Nico T. Mutters (검색결과 2 건)
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Nico T. Mutters,Caspar J. Hodiamont,Menno D. de Jong,Hendri P. J. Overmeijer,Mandy van den Boogaard,Caroline E.Visser 대한진단검사의학회 2014 Annals of Laboratory Medicine Vol.34 No.2
Background: Microbiological laboratories seek technologically innovative solutions to cope with large numbers of samples and limited personnel and financial resources. One plat- form that has recently become available is the Kiestra Total Laboratory Automation (TLA) system (BD Kiestra B.V., the Netherlands). This fully automated sample processing sys- tem, equipped with digital imaging technology, allows superior detection of microbial growth. Combining this approach with matrix-assisted laser desorption ionization time-of- flight mass spectrometry (MS) (Bruker Daltonik, Germany) is expected to enable more rapid identification of pathogens. Methods: Early growth detection by digital imaging using Kiestra TLA combined with MS was compared to conventional methods (CM) of detection. Accuracy and time taken for microbial identification were evaluated for the two methods in 219 clinical blood culture isolates. The possible clinical impact of earlier microbial identification was assessed ac- cording to antibiotic treatment prescription. Results: Pathogen identification using Kiestra TLA combined with MS resulted in a 30.6 hr time gain per isolate compared to CM. Pathogens were successfully identified in 98.4% (249/253) of all tested isolates. Early microbial identification without susceptibility testing led to an adjustment of antibiotic regimen in 12% (24/200) of patients. Conclusions: The requisite 24 hr incubation time for microbial pathogens to reach suffi- cient growth for susceptibility testing and identification would be shortened by the imple- mentation of Kiestra TLA in combination with MS, compared to the use of CM. Not only can this method optimize workflow and reduce costs, but it can allow potentially life-saving switches in antibiotic regimen to be initiated sooner.
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Vanessa M Eichel,Jonas M Jabs,Samy Unser,Nico T Mutters,Martin Scherrer 대한소화기내시경학회 2021 Clinical Endoscopy Vol.54 No.4
Background/Aims: The recommendations on the time interval between pre-cleaning and reprocessing of endoscopes differin international guidelines, with a low level of evidence. The aim of this study was to investigate the influence of postponingreprocessing on the reprocessing quality after pre-cleaning the flexible endoscopes. Methods: We reprocessed 124 standardized test tubes simulating endoscope channels after soiling and contamination anddetermined the reprocessing performance. In addition, we examined contaminated gastroscopes, colonoscopes, and bronchoscopes. The duration of interim storage after pre-cleaning was 16 h for 100 test tubes and up to 24 h for 18 endoscopes. We determined theresidual protein content and germ load as markers for cleaning and disinfection performance. In addition, we determined biofilmformation by photometry of crystal violet staining. Results: All test tubes and flexible endoscopes showed residual protein content and germ load significantly below legally prescribedthreshold values, independent of the interval between pre-cleaning and reprocessing. Conclusions: Our findings indicate that flexible endoscopes could be stored overnight after pre-cleaning without any influence onthe quality of reprocessing. While ensuring patient safety, this could simplify logistical processes and enable cost savings.
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