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Evaluation of the MICUR system for quantitative antimicrobial susceptibility testing: a multiphasic comparison with
Journal of Clinical Microbiology
|July 1, 1982
Summary
The MICUR antimicrobial broth microdilution system demonstrated high accuracy and reproducibility, closely matching reference methods for determining minimum inhibitory concentrations (MICs). This commercial system is suitable for clinical microbiology laboratories.
Area of Science:
- Clinical Microbiology
- Antimicrobial Susceptibility Testing
Background:
- Accurate determination of minimum inhibitory concentrations (MICs) is crucial for guiding antimicrobial therapy.
- Standardized methods are essential for reliable antimicrobial susceptibility testing (AST).
Purpose of the Study:
- To evaluate the performance of the MICUR antimicrobial broth microdilution system.
- To compare the MICUR system against a reference broth microdilution method.
Main Methods:
- Multi-laboratory, three-phase study design.
- Comparison of MICUR system with reference broth microdilution method.
- Testing using clinical isolates and stock/challenge organisms.
Main Results:
- 96.6% agreement between MICUR and reference method for clinical isolates.
- 95.3% agreement for stock/challenge cultures.
- High intralaboratory (98.4%) and interlaboratory (95.1%) reproducibility observed.
Conclusions:
- The MICUR system provides comparable MIC results to the reference method.
- The system accurately identifies various antimicrobial susceptibility and resistance patterns.
- The MICUR system is acceptable for use in clinical microbiology laboratories.