Susceptibility to antifungal drugs of Candida albicans isolated from upper respiratory tract of patients with chronic hepatitis C
Journal Title: Annals of Agricultural and Environmental Medicine - Year 2013, Vol 7, Issue 2
Abstract
Introduction. Patients with chronic HCV infection due to itheir mmunocompromised status are predisposed to opportunistic infections caused by microorganisms of normal microflora, e.g. fungal infections caused especially by yeast species belonging to Candida spp., mainly Candida albicans.Objective. The aim of this study was to analyze the drug susceptibility of Candida albicans colonizing the pper respiratory tract isolated from 100 patients with chronic hepatitis C from group I (without antiviral herapy) and from group II (treated with peginterferon and ribavirin).Material and Methods. The 30 isolates of C. albicans from group I and 31 isolates from group II were identified by standard methods – biochemical microtest API 20 C AUX (bioMérieux). The drug sensitivity to antifungal drugs (amphotericin B, flucytosine, fluconazole, itraconazole, ketoconazole and miconazole) was estimated by the Fungitest method (Sanofi Diagnostics Pasteur).Results. Among the isolates of C. albicans, 100% sensitivity to flucytosine and amphotericin B was found, irrespective of the patient group. However, a decreased sensitivity to azole derivates – miconazole, ketoconazole, itraconazole or fluconazole – was noted, amounting to 3.33 – 56.67% in the isolates from group I, while in group II amounting 9.68 – 48.39%, depending on the antifungal drugs. The isolates esistant to ketoconazole (6.67%) or itraconazole (10%) were found in group I, while resistant to miconazole (9.68%), ketoconazole (19.35%), itraconazole (22.58%) or fluconazole (3.22%) in group II.Conclusion. Determination of drug sensitivity of the isolated yeast species should be the basis of rational and successful therapy.
Authors and Affiliations
Anna Biernasiuk, Sławomir Kiciak, Krzysztof Tomasiewicz
Keywords
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