Journal of Antimicrobial Chemotherapy (1999) 43, 333-338
© 1999 The British Society for Antimicrobial Chemotherapy
For debate |
Personalized antifungal susceptibility testing
Istituto di Microbiologia, Facoltà di Medicina e Chirurgia, Università degli Studi di Parma, Via Gramsci 14, 43100 Parma, Italia
Introduction
In recent years, the remarkable increase in the number of infections caused by fungal
pathogens, especially in immunocompromised people, has stimulated interest in medical
mycology in general and in antifungal susceptibility testing in particular.1,2 In-vitro procedures for determining
the activity of drugs against mould and yeast isolates involve clinicians in the choice and
monitoring of antifungal chemotherapy. A number of factors, however, may influence the
evaluation of the sensitivity of fungi to antifungal drugs, even in the most standardized
procedures such as the determination of the MIC and minimal fungicidal concentration (MFC) in
optically read microautomated systems. The nature and the form of the involved fungus, the
preparation of the inoculum, the solubility and stability of the antifungal drugs tested, the pH and
composition of the test medium, the duration and the temperature of incubation and the criteria
for determining endpoints are variables that significantly affect the reproducibility of the
Materials and methods
Yeast strains
Antifungal drugs
Synthetic medium and human plasma
Microtitre plate drug dilutions
Preparation of the inoculum
Interpretation of the results
Results
Discussion
Acknowledgments
Notes
References
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