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Multicentre evaluation of the Boehringer Mannheim/Hitachi 917 analysis system
J D van Suijlen1, B G Blijenberg, J Hofmann
1Academisch Ziekenhuis Rotterdam Rotterdam The Netherlands.
Journal of Automated Methods & Management in Chemistry
|October 18, 2008
Summary
The BM/Hitachi 917 analyzer demonstrates strong analytical performance for clinical chemistry, showing good precision and accuracy across various analytes. Its practicability is also rated favorably, making it a useful workstation for laboratories.
Area of Science:
- Clinical Chemistry
- Analytical Biochemistry
- Laboratory Medicine
Background:
- The evaluation of new clinical chemistry analyzers is crucial for ensuring reliable diagnostic testing.
- The BM/Hitachi 917 is a selective access analysis system designed for modern laboratory workflows.
Purpose of the Study:
- To evaluate the analytical performance and practicability of the BM/Hitachi 917 analyzer.
- To assess its suitability as a consolidated workstation in clinical chemistry laboratories.
Main Methods:
- A multicentre study conducted in seven European laboratories following ECCLS protocols.
- Evaluation of 43 analytes covering enzymes, substrates, electrolytes, proteins, drugs, and urine applications.
- Practicability assessed using a standardized questionnaire.
Main Results:
- Excellent within-run and between-day precision (CVs generally <2-3% for enzymes/substrates/electrolytes, <4-6% for others).
- Acceptable linearity, minimal drift and carry-over, and manageable interference.
- Accurate recovery (95-105%) in reference materials, with method agreement within specified criteria.
- Favorable practicability assessment, scoring better than current laboratory systems.
Conclusions:
- The BM/Hitachi 917 system exhibits good analytical performance and reliability.
- It is deemed a useful and practical consolidated workstation for medium to large clinical chemistry laboratories.
