Related Experiment Video
Updated: Jun 3, 2026

Broth Microdilution In Vitro Screening: An Easy and Fast Method to Detect New Antifungal Compounds
Published on: February 14, 2018
Multicenter comparison of the Vitek 2 antifungal susceptibility test with the CLSI broth microdilution reference
Jess F Peterson1, Michael A Pfaller, Daniel J Diekema
1Department of Pathology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA. nledeboe@mcw.edu
Abstract:
The performance of the automated Vitek 2 (bioMérieux, Inc., Marcy l'Etoile, France) antifungal susceptibility system was compared to that of broth microdilution (BMD) for the determination of MICs of various antifungal drugs. A total of 112 challenge strains and 755 clinical isolates of Candida spp. were tested against caspofungin and micafungin. An additional 452 clinical isolates of Candida albicans were tested against posaconazole. Reference BMD MIC endpoints were established after 24 h of incubation for caspofungin and micafungin and after 48 h of incubation for posaconazole. Essential agreements (EAs) between the Vitek 2 and BMD methods for caspofungin and micafungin were 99.5% and 98.6%, respectively. EA between the Vitek 2 and BMD methods was 95.6% for posaconazole. The overall categorical agreements (CAs) between the Vitek 2 system and BMD were 99.8% for caspofungin, 98.2% for micafungin, and 98.1% for posaconazole. The Vitek 2 system reliably determined caspofungin and micafungin MICs among Candida spp. and posaconazole MICs among C. albicans isolates and demonstrated excellent quantitative and qualitative agreement with the reference BMD method.
More Related Videos
07:19A 96 Well Microtiter Plate-based Method for Monitoring Formation and Antifungal Susceptibility Testing of Candida albicans Biofilms
Published on: October 21, 2010
08:45Whole Genome Sequencing of Candida glabrata for Detection of Markers of Antifungal Drug Resistance
Published on: December 28, 2017
Related Concept Videos
Antifungal Agents
Automated Microbial Diagnostics
Candidiasis
Antimicrobial Effectiveness
Bioequivalence of Drugs: Drugs with Multiple Indications
Sputum Studies II: Culture and Sensitivity
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...