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Analysis of the prevalence and species representation of pathogenic yeasts in patients with vulvovaginal candidiasis. Determination of in vitro susceptibility of yeast isolates to clinically used antimycotic agents.A retrospective clinical study of patients with positive vaginal cultures for the presence of pathogenic yeast species.I. gynekologicko-pôrodnícka klinika LF UK a FN, Zochova 7,811 03 Bratislava, Slovenská republika.Identification of yeast pathogens on the chromogenic medium CHROMagar CANDIDA and with API-CANDIDA identification system. In vitro susceptibility assays of clinical yeast isolates to antifungal agents using the plate dilution method, NCCLS method and ATB-FUNGUS test system.The highest prevalence of vulvovaginal candidasis was found in women aged between 20-30 years. Candida albicans was the most commonly identified species of pathogenic yeasts (87.4%). Of the non-albicans species, C. glabrata (6.3%) was the most prevalent species. C. glabrata and C. krusei clinical isolates were found to be generally less susceptible to several antifungals in vitro as compared to C. albicans strains. A minimal number of resistant yeast isolates was observed for econazole, clotrimazole and nystatin. A relatively high number of resistant strains was observed for some other azole antifungals (miconazole, ketoconazole, itraconazole, fluconazole).A successful treatment of vaginal mycotic infections requires the results of the microbiological analyses. They will bring evidence to a physician of the presence and fate of the pathogen, of its sensitivity to antifungals, both of which are essential for the rational and successful therapy of Candida vaginitis. |
