Epidemiología y patrones de susceptibilidad antifúngica de especies de Candida en hospitales terciarios: Actualización sobre tendencias regionales

Autores/as

DOI:

https://doi.org/10.33448/rsd-v10i4.14462

Palabras clave:

Anfotericina B; Fluconazol; Levadura; Diagnóstico; Reacción en cadena de la polimerasa.

Resumen

Se informan las tendencias epidemiológicas y de susceptibilidad antifúngica de especies de Candida en Brasil, entre 2019-2020. Se analizaron un total de 22 aislamientos diagnosticados de episodios de candidemia. Las especies de Candida se identificaron mediante cebador específico y/o secuenciación del dominio D1/D2, región 28S del rDNA. La susceptibilidad antifúngica se determinó mediante el método CLSI. Candida tropicalis fue responsable de 11 (50%) casos, seguida de C. albicans (n=5, 22,73%), C. parapsilosis (n=4, 18,19%), Issatchenkia orientalis (n=1, 4,54 %) y Saccharomyces cerevisiae (n=1, 4,54%). Todos los aislados de Candida fueron sensibles a la anfotericina B y la micafungina, y uno fue sensible dosis dependiente a la anidulafungina. Ocho de los 20 aislados de Candida fueron resistentes al fluconazol y cuatro sensibles dosis dependiente. Dieciséis de los 20 aislados de Candida fueron resistentes al voriconazol, uno resistente y uno sensible dosis dependiente a la caspofungina. Además, se calcularon los valores respectivos de MIC50 y MIC90 con fluconazol (MIC50 y MIC90 de 4 y 64 µg/mL, respectivamente) y voriconazol (MIC50 y MIC90 de 16 µg/mL) que presentaron las potencias más bajas. La propagación de especies resistentes al fluconazol es una preocupación importante, especialmente para C. tropicalis. El uso indiscriminado de antifúngicos puede ser una posible causa relacionada con este escenario. Por lo tanto, la prueba del perfil de susceptibilidad se puede utilizar para encontrar la mejor manera de introducir una terapia antibiótica empírica adecuada.

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Publicado

24/04/2021

Cómo citar

INÁCIO, C. P.; BESERRA, F. G.; SOARES, C. R. P.; ROMAGUERA, L. M. D.; ARAÚJO, P. S. R. de; BUONAFINA, M. D. S.; ARAÚJO NETO, L. N. . .; SANTOS, D. C. dos; NEVES, R. P. Epidemiología y patrones de susceptibilidad antifúngica de especies de Candida en hospitales terciarios: Actualización sobre tendencias regionales. Research, Society and Development, [S. l.], v. 10, n. 4, p. e59810414462, 2021. DOI: 10.33448/rsd-v10i4.14462. Disponível em: https://www.rsdjournal.org/index.php/rsd/article/view/14462. Acesso em: 19 may. 2024.

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Sección

Ciencias de la salud