Abstract
The in vitro activities of amphotericin B, itraconazole, and voriconazole against 279 clinical isolates of Aspergillus fumigatus were studied by comparing Sensititre YeastOne® with the reference method NCCLS (CLSI) M38-A. The methods were considered to agree when the results of the MICs by Sensititre were within 2 dilutions of the MICs obtained by NCCLS M38-A. Agreement of readings at 24, 48, and 72 h was as follows: amphotericin B (0%, 31.5%, 82.1%), itraconazole (86.7%, 98.3%, 98.2%), and voriconazole (92.8%, 98.3%, 98.9%). Sensititre YeastOne® is a suitable alternative for the determination of the MICs of itraconazole and voriconazole against A. fumigatus when results are read at 48 h of incubation.
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