Cited by 82Bacterial Identification and Susceptibility TestingClinical Laboratory Practices and Quality ControlMass Spectrometry Techniques and Applications

Performance of Kiestra Total Laboratory Automation Combined with MS in Clinical Microbiology Practice

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Mutters, Nico T., Hodiamont, Caspar J., Jong, Menno D. de, Overmeijer, Hendri P. J., Boogaard, Mandy van den, E.Visser, Caroline·2014·Annals of Laboratory Medicine

Abstract

BACKGROUND: Microbiological laboratories seek technologically innovative solutions to cope with large numbers of samples and limited personnel and financial resources. One platform that has recently become available is the Kiestra Total Laboratory Automation (TLA) system (BD Kiestra B.V., the Netherlands). This fully automated sample processing system, 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 according 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 sufficient growth for susceptibility testing and identification would be shortened by the implementation 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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Authors
Mutters, N. T., Hodiamont, C. J., Jong, M. D. D., Overmeijer, H. P. J., Boogaard, M. V. D., & E.Visser, C.
Affiliations
  • University Hospital Heidelberg (DE)
  • Amsterdam UMC Location University of Amsterdam (NL)
  • Academic Medical Centre, Department of Medical Microbiology, University of Amsterdam, Amsterdam, the Netherlands
Corresponding author
Mutters, Nico T.
Venue
Annals of Laboratory Medicine
Published
2014-03-01
Volume
34
Issue
2
Pages
111-117
ISSN
  • 2234-3806 (ISSN-L)
  • 2234-3814
OpenAlex
W1978229308
Cited by
82
References
28
Citations by year
2026: 3 · 2025: 3 · 2024: 5 · 2023: 4 · 2022: 7 · 2021: 4 · 2020: 7 · 2019: 10 · 2018: 8 · 2017: 7 · 2016: 7 · 2015: 10 · 2014: 7
FWCI
7.15
Type
journal article
Language
en
Open access
Locations
  • Annals of Laboratory Medicine (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • Pure Amsterdam UMC (submittedVersion)
Funders
Universiteit van Amsterdam
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Bacterial Identification and Susceptibility Testing
  • Health Sciences › Medicine › Physiology › Clinical Laboratory Practices and Quality Control
  • Physical Sciences › Chemistry › Spectroscopy › Mass Spectrometry Techniques and Applications
Keywords
matrix-assisted laser desorption/ionization time-of-flight mass spectrometry, blood culture, digital imaging, pathogen identification, laboratory automation
MeSH terms
Candida albicans, Gram-Negative Bacteria, Gram-Positive Bacteria, Humans, Retrospective Studies, RNA, Ribosomal, 16S, Sequence Analysis, RNA, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization, Disk Diffusion Antimicrobial Tests, Automation, Laboratory

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