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Journal of Clinical Microbiology, September 2006, p. 3213-3217, Vol. 44, No. 9
0095-1137/06/$08.00+0     doi:10.1128/JCM.00218-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

Genital Candida Species Detected in Samples from Women in Melbourne, Australia, before and after Treatment with Antibiotics

Marie V. Pirotta1* and Suzanne M. Garland2,3

Department of General Practice,1 Department of Obstetrics and Gynaecology, University of Melbourne, Carlton,2 Department of Microbiology and Infectious Diseases, Royal Women's Hospital, Melbourne, Victoria, Australia3

Received 31 January 2006/ Returned for modification 27 February 2006/ Accepted 14 June 2006

Vulvovaginal candidiasis (VVC) remains a common cause of morbidity, with three-quarters of women affected during their lifetimes. Use of antibiotics is an acknowledged trigger for VVC, which adversely affects women's physical and emotional health. Knowledge of patterns of genital Candida species-level identification is important for management, as Candida species other than Candida albicans often fail first-line treatment. A community sample of women with no vaginal symptoms, and who were prescribed antibiotics, was recruited into this study, where the incidence of genital colonization by various Candida species was documented, as well as symptoms of VVC plus relevant associations, before and after treatment with antibiotics. Self-collected low vaginal swabs were taken prior to and 8 days after completion of antibiotic treatment, and data on various potential risk factors for VVC were collected simultaneously, with complete data being available for 233 participants. Baseline Candida species colonization was present in 21% of women (95% confidence intervals [CI], 17% to 27%), rising to 37% (95% CI, 31% to 44%) after antibiotic treatment. The primary species detected for either period was C. albicans (73%), with Candida glabrata detected in around 20%. Self-assessed proneness to VVC after antibiotic treatment and baseline colonization with Candida spp. were significantly associated with symptomatic VVC after antibiotic treatment. For microbiologically proven candidiasis, VVC symptoms had a sensitivity of 57% and a specificity of 91%. When physicians prescribe antibiotics, the history of risk of VVC is one issue that physicians should discuss with women, particularly those who are self-identified as being prone to VVC. Furthermore, we recommend that definitive microbiological diagnoses be made for women with recurrent symptoms or those failing initial treatment, to guide appropriate therapy.

* Corresponding author. Mailing address: Department of General Practice, University of Melbourne, 200 Berkeley Street, Carlton, Victoria 3053, Australia. Phone: 61 3 8344 9723. Fax: 61 3 9347 6136. E-mail: m.pirotta{at}unimelb.edu.au.

Journal of Clinical Microbiology, September 2006, p. 3213-3217, Vol. 44, No. 9
0095-1137/06/$08.00+0     doi:10.1128/JCM.00218-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.





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