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A Study on Prevalence, Profile, and Risk Factors of Developing Fungal Infection in Patients With Diabetic Foot Ulcer

医学 糖尿病足 内科学 糖尿病足溃疡 糖尿病 热带假丝酵母 白色念珠菌 截肢 脚(韵律) 前瞻性队列研究 外科 胃肠病学 抗真菌 皮肤病科 微生物学 生物 哲学 内分泌学 语言学
作者
Azharuddin Sk,Chellappa Vijayakumar,Thirugnanasambandam Nelson,Gopal Balasubramanian,Nagarajan Raj Kumar,Rakesh Singh
出处
期刊:Wound management & prevention [HMP Communications, LLC]
卷期号:69 (3): 11-17 被引量:1
标识
DOI:10.25270/wmp.22076
摘要

Background: Many chronic nonhealing diabetic foot ulcers (DFUs) with increased rates of amputation are frequently associated with fungal infections. Purpose: To evaluate the prevalence, profile, and risk factors of developing a fungal infection in patients with DFU. Methods: This prospective observational study was carried out from October 2018 to July 2020. All adult patients with DFUs admitted to the surgery ward were recruited. Patients on antifungal therapy or who received such therapy within 6 weeks prior to admission were excluded. Three deep tissue samples were sent for bacterial culture, fungal culture, and histopathological examination of fungal elements. Results: A total of 251 patients were enrolled in the study. Of the 23.3% of patients with positive fungal growth (n = 47/202), 2% (n = 4/202) had pure fungal growth and 21.3% (n = 43/202) had mixed growth with bacteria in their ulcers (ie, non-contaminated samples). A significant association was found between wound grade (P = .027), ulcer duration (P = .028), and positive fungal growth in DFUs. Conclusions: In this study, the prevalence of fungal infection in DFUs was 23.3%; Candida tropicalis (27.08%) was the most common isolate, followed by C. albicans (20.83%). The rate of fungal infections was high in patients with mild diabetic foot infection or DFU of 7 to 14 days’ duration.

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