Related Experiment Videos
Evaluation of the BBL Crystal Anaerobe identification system
J J Cavallaro1, L S Wiggs, J M Miller
1Diagnostic Microbiology Section, Hospital Infections Program, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA. JJC1@CDC.GOV
Journal of Clinical Microbiology
|December 17, 1997
Summary
The BBL Crystal Anaerobe system accurately identified 88.8% of clinical anaerobic bacteria, offering a faster alternative to traditional methods for hospital laboratories.
Area of Science:
- Clinical Microbiology
- Bacterial Identification
- Diagnostic Systems Evaluation
Background:
- Accurate identification of anaerobic bacteria is crucial for effective patient treatment.
- Conventional anaerobic identification methods can be time-consuming and complex.
- The BBL Crystal Anaerobe (ANR) system offers a potentially streamlined approach.
Purpose of the Study:
- To evaluate the performance of the BBL Crystal Anaerobe (ANR) identification system.
- To compare the ANR system's results with conventional anaerobic bacterial identification methods.
- To assess the clinical utility of the ANR system in a hospital laboratory setting.
Main Methods:
- Evaluation of the BBL Crystal Anaerobe (ANR) system.
- Testing of 322 clinically significant anaerobic bacterial isolates.
- Comparison of ANR system results against conventional anaerobic identification techniques.
Main Results:
- The ANR system achieved an overall correct identification rate of 88.8% (286/322).
- Initial correct identification was 81.7%, with further species-level identification achieved upon repeat testing for some isolates.
- High identification rates were observed for specific genera like Campylobacter and Actinomyces, while Clostridium and Bacteroides showed lower accuracy.
Conclusions:
- The BBL Crystal Anaerobe (ANR) system demonstrates good performance for identifying clinically significant anaerobic bacteria.
- The system is user-friendly, requires no reagent addition, and is faster than conventional methods.
- The ANR system represents a valuable tool for hospital anaerobe laboratories, enhancing diagnostic efficiency.