Epidemiología molecular de bacilos gram-negativos multirresistentes productores de carbapenemasas aislados de diferentes sitios de infección

Autores/as

DOI:

https://doi.org/10.33448/rsd-v10i9.18070

Palabras clave:

Bacterias gram-negativas; Carbapenemasa; Multifármaco resistente; Epidemiología molecular.

Resumen

La resistencia a las carbapenemasas en los bacilos gram-negativos (BGN) se ha convertido en un problema mundial, aumentando la tasa de morbilidad y mortalidad. Se utilizó el método automatizado para la identificación y susceptibilidad de los aislamientos. Y el método molecular se aplicó en la detección de bacilos gram-negativos (BGN) productores de carbapenemasa. Se recuperó un total de 205 BGN de ​​diferentes muestras clínicas resistentes a las carbapenemasas. Los genes de resistencia blaKPC (57,5%), blaVIM (30,2%), blaGES (17%), blaNDM (15%) y blaSPM (2,4%) se recuperaron de los aislados clínicos. El gen blaIMP no se detectó en ninguno de los aislamientos. Es preocupante que Pseudomonas aeruginosa y Acinetobacter baumannii representen la mayoría de los aislamientos (61,6%) recuperados de infecciones en diferentes sitios, con alta resistencia a los carbapenémicos, que portan simultáneamente los genes blaKPC, blaGES y blaVIM, así como los encontrados en Enterobactericeae. La carbapenemasa más prevalente fue blaKPC y blaVIM, seguida de blaNDM entre los aislados de múltiples fármacos resistentes. Estos resultados son una amenaza para la salud pública, configurando altas tasas de resistencia, limitando las opciones terapéuticas.

Citas

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Publicado

26/07/2021

Cómo citar

SOARES, C. R. P. .; SILVA , F. R. F. da .; OLIVEIRA JÚNIOR, J. B. .; ARAÚJO, P. S. R. de .; FIRMO, E. F. . Epidemiología molecular de bacilos gram-negativos multirresistentes productores de carbapenemasas aislados de diferentes sitios de infección. Research, Society and Development, [S. l.], v. 10, n. 9, p. e30210918070, 2021. DOI: 10.33448/rsd-v10i9.18070. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/18070. Acesso em: 22 nov. 2024.

Número

Sección

Ciencias de la salud