Infectious Diseases in Obstetrics and Gynecology

Infectious Diseases in Obstetrics and Gynecology / 2002 / Article

Open Access

Volume 10 |Article ID 602082 | https://doi.org/10.1155/S1064744902000078

N. Novikova, A. Rodrigues, P.-A. Mårdh, "Can the Diagnosis of Recurrent Vulvovaginal Candidosis Be Improved by Use of Vaginal Lavage Samples and Cultures on Chromogenic Agar?", Infectious Diseases in Obstetrics and Gynecology, vol. 10, Article ID 602082, 4 pages, 2002. https://doi.org/10.1155/S1064744902000078

Can the Diagnosis of Recurrent Vulvovaginal Candidosis Be Improved by Use of Vaginal Lavage Samples and Cultures on Chromogenic Agar?

Received10 Oct 2001
Accepted04 Jan 2002

Abstract

Objective: To investigate if introital and vaginal flushing samples inoculated on chromogenic agar could increase the recovery rate and rapid identification of Candida and non-albicans species, as compared to culture of posterior vaginal fornix samples on Sabouraud agar and speciation of isolates by biochemical tests.Methods: Samples from the introitus and the posterior vaginal fornix and vaginal lavage samples were collected from 91 women with a history suggestive of recurrent vulvovaginal candidosis (RVVC), and with a suspected new attack of the condition. The specimens were cultured on Sabouraud and CHROMagar® . Speciation of yeast isolates was made on the chromogenic agar by API 32C®kits and by an atomized system (Vitek®).Results: Forty-six (51%) women were positive for Candida fromone or more of the samples. The introital cultures were positive in 43 (47%) women, both on Sabouraud and chromogenic agar. From the posterior vaginal fomix, 42 (46%) women were positive on the Sabouraud and 43 (47%) on chromogenic agar cultures, while the vaginal lavage cultures yielded Candida on those two media in 40 (44%) and 4l (45%) cases, respectively. Candida albicans was the most frequent species recovered, from 40 (87%) cases, followed by C. krusei in 4 (9%), C. glabrata in 2 (4%), and C. parapsilosis in one case. There was only onewoman who had a mixed yeast infection, by C. albicans and C. krusei . There was only one discrepancy in the speciation as demonstrated by mean of chromogenic agar and API 32C kit.Conclusions: Neither cultures of introital nor of vaginal lavage samples increases the detection rate of Candida in RVVC cases as compared to cultures of posterior vaginal fornix samples. Use of chromogenic agar is a convenient and reliable means to detect colonization by Candida and differentiate between C. albicans and non-albicans species.

Copyright © 2002 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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