Background. Vulvovaginal candidiasis is a common infection. The aim of this study was to identify the species of vaginalCandidaisolates by using multiplex PCR technique.Methods. 191 isolates from patients admitted to Mahdieh hospital were identified. The vaginal swab specimens were cultured on Sabouraud Dextrose Agar. The ITS1 region between the 18S and 5.8S rRNA genes and a specific DNA fragment within the ITS2 region were amplified. The multiplex PCR products were separated by electrophoresis in 2% agarose gel, visualized by staining with ethidium bromide, and photographed. Descriptive statistics, Chi-square test, and Spearman correlation were used to summarize the findings.Results.C. albicansandC. glabratawere the most common species isolated from the specimens. A mix ofC. glabrataandC. albicanswas the most common mixed infection isolated from the samples. The analysis revealed a significant positive association between older age and infection withC. glabrataisolates (Spearman’s rho = 0.89,P=0.015).Conclusion. Multiplex PCR is a fast, yet reliable method to identifyCandidaspecies.C. albicansand thenC. glabrataare the two most common causes of vulvovaginal candidiasis. The number of mixed fungal infections is higher among Iranian population compared to international reports.
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