Medical journal, Armed Forces India · 2023
Clinical study on antifungal drug resistance among cases of dermatophytosis in patients reporting to multiple tertiary care hospitals.
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Singh Gill Jaswinder, Chatterjee Manas, Baveja Sukruti, Hazra Nandita, Tandel Kundan, R Vijendran, Verma Rajesh
Аннотация
BACKGROUND: In a tropical country like India, the warm and humid climate plays an important role in the increased incidence of superficial fungal infections. This is a study to identify the causative fungi of dermatophytosis and their in vitro antifungal susceptibility pattern among patients reporting to multiple tertiary care hospitals.
METHODS: Skin scrapping, nail clipping, and hair follicles were processed for microscopy, culture, and antifungal susceptibility testing as per standard guidelines. Antifungal susceptibility was performed as per published by Clinical Laboratory Standards Institute for yeasts (M27-A3) and filamentous fungi (M38-A2).
RESULT: The study sample had a predominantly male population with the commonest age group being 21-30 years (39.57%) followed by 31-40 years (31.46%). Tinea corporis (57.30%) was the most common clinical presentation followed by tinea cruris (20.85%) and onychomycosis (14.73%). Microscopy positivity was 43.19%, while culture positivity was 23.97%. Dermatophytes accounted for the majority of isolates. All fungal isolates had high minimum inhibitory concentration (MIC) to fluconazole, suggesting that dermatophytes are possibly resistant to this drug.
CONCLUSION: Trichophyton mentagrophytes is confirmed as the dominant pathogen of dermatophytosis in all three tertiary care hospitals.
METHODS: Skin scrapping, nail clipping, and hair follicles were processed for microscopy, culture, and antifungal susceptibility testing as per standard guidelines. Antifungal susceptibility was performed as per published by Clinical Laboratory Standards Institute for yeasts (M27-A3) and filamentous fungi (M38-A2).
RESULT: The study sample had a predominantly male population with the commonest age group being 21-30 years (39.57%) followed by 31-40 years (31.46%). Tinea corporis (57.30%) was the most common clinical presentation followed by tinea cruris (20.85%) and onychomycosis (14.73%). Microscopy positivity was 43.19%, while culture positivity was 23.97%. Dermatophytes accounted for the majority of isolates. All fungal isolates had high minimum inhibitory concentration (MIC) to fluconazole, suggesting that dermatophytes are possibly resistant to this drug.
CONCLUSION: Trichophyton mentagrophytes is confirmed as the dominant pathogen of dermatophytosis in all three tertiary care hospitals.