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Fluconazole-Resistant Candida Albicans Vaginal Infections at a Referral Center and Treated With Boric Acid.

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OBJECTIVE The authors investigate the incidence of clinical and mycological resistance of Candida albicans vulvovaginitis (VVC) at the Jefferson Vulvovaginal Health Center. They also review their experience with boric acid… Click to show full abstract

OBJECTIVE The authors investigate the incidence of clinical and mycological resistance of Candida albicans vulvovaginitis (VVC) at the Jefferson Vulvovaginal Health Center. They also review their experience with boric acid in the treatment of fluconazole-resistant VVC. METHODS The authors conducted a retrospective chart review of all patients with C. albicans VVC diagnosed at the Jefferson Vulvovaginal Health Center between November 2019 and December 2021. Patients with clinically defined fluconazole resistance were identified. Information about demographics, in vitro susceptibility testing, and treatment outcomes with boric acid was obtained. RESULTS Of 970 patients with vaginal C. albicans isolates, 71 (7.3%) with clinically defined fluconazole-resistant C. albicans infections were identified. Relevant demographics included 45.1% African American, 43.7% aged younger than 30 years, and 43.7% with body mass index less than 25. Of the 71 patients, 58 (81.7%) received vaginal boric acid treatment. The mycological and clinical cure rates were 85.7% and 73.7%, respectively. After successful boric acid treatment and negative yeast cultures, 14.3% of patients had a mycological recurrence within 3 months. Of 31 isolates with antifungal susceptibility testing, 83.9% (26/31) were found to have minimal inhibitory concentration results consistent with fluconazole resistance. CONCLUSIONS In a tertiary care vulvovaginal health center, fluconazole-resistant Candida albicans VVC is by no means uncommon and usually responds in the short term to treatment with boric acid. However, in the absence of maintenance boric acid, recurrence of culture-positive VVC is likely.

Keywords: boric acid; fluconazole resistant; candida albicans; center

Journal Title: Journal of lower genital tract disease
Year Published: 2023

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