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Título: | Identification of Fungi Involved in Onychomycosis in Patients of a Spanish Rural Area | Autor: | Marcos-Tejedor, Felix Mota, Marta Iglesias-Sánchez, María José Mayordomo, Raquel Gonçalves, Teresa |
Palavras-chave: | onychomycosis; diagnosis; PCR; Fungus; nails | Data: | 31-Jul-2021 | Editora: | MDPI AG | Projeto: | Regional Government of Extremadura and the European Regional Development Fund (ERDF) through a grant to strengthening the mobility of postdoctoral researchers in 2017 (code P017018) | Título da revista, periódico, livro ou evento: | Journal of Fungi | Volume: | 7 | Número: | 8 | Resumo: | Onychomycosis is one of the most frequent reasons for visiting podiatrist clinics. Complementary tests and the accurate identification of the infectious agents are key issues for a successful treatment of onychomycosis. This is particularly important when lifestyle, age and immunodepressed patients increase the prevalence of non-dermatophyte fungal infection. In this paper, we describe issues related to onychomycosis prevalence in a population of patients, mostly with rural lifestyles, visiting a podiatry clinic in a rural area of Spain. A total of 51 cases were studied with an average age of 65.96 ± 21.28 years (the youngest being 16 years and the oldest being 95 years). Fungal agents were isolated using conventional sampling and microbiological culture techniques. The results obtained with these techniques were compared with the results obtained with a direct methodology using molecular biology, by PCR and nucleotide sequencing of the ITS-5.8S rDNA fragment. The classical culture methodology confirmed the infection in 76.5% of the samples (n = 39), while the PCR confirmed the infection in 84.3% (n = 51) of the nails, although the difference between these results did not show statistical significance (p = 0.388). We found a high variability in agents, with more yeasts than dermatophytes as etiological agents of onychomycosis. However, only among individuals older than 65 years, was the difference between yeasts (82%) and dermatophytes (18%) was statistically significant (p = 0.004). Among the agents of non-dermatophyte onychomycosis, we found predominantly fungi (yeasts) of the Candida genus, interestingly with no isolates of Candida albicans, and moulds of the Aspergillus genus. | URI: | https://hdl.handle.net/10316/104865 | ISSN: | 2309-608X | DOI: | 10.3390/jof7080623 | Direitos: | openAccess |
Aparece nas coleções: | I&D CNC - Artigos em Revistas Internacionais FMUC Medicina - Artigos em Revistas Internacionais |
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Identification-of-fungi-involved-in-onychomycosis-in-patients-of-a-spanish-rural-areaJournal-of-Fungi.pdf | 595.62 kB | Adobe PDF | Ver/Abrir |
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