Perfil de resistencia a antibióticos en bacterias que presentan la enzima NDM-1 y sus mecanismos asociados: una revisión sistemáticaA profile of resistance in bacteria and the mechanisms associated due to the presence of the enzyme NDM-1: a systematic review
ResumenEn 2008 se reportó la enzima NDM-1 que genera resistencia a carbapenémicos. Para determinar el perfil de resistencia que presentan las bacterias frente a esta enzima se adelantó una revisión sistemática. La búsqueda de artículos se realizó en diferentes bases de datos y para su selección se consideraron criterios de inclusión y exclusión obteniendo un total de 154 artículos.Se identificaron 617 casos, presentados en trece géneros bacterianos, que codifican para los cuatro mecanismos de resistencia, principalmente a betalactámicos y aminoglucósidos. Cuando se presenta la enzima, la posibilidad que haya genes asociados para la producción de resistencias es alta, generando así que se presenten mecanismos que evitan la acción del antibiótico haciendo difícil implementar un tratamiento efectivo.Palabras clave: NDM-1, métalo-beta-lactamasas, resistencia bacteriana.
AbstractIn 2008 the NDM-1 enzyme was first reported, the enzyme responsible for the resistance to carbapenems. We conducted a systematic review to determine the resistance profile due to the presence of this enzyme in bacteria. We searched academic articles in principal databases resulting in the selection of 154 articles given our inclusion and exclusion criteria.617 cases and 13 bacterial genera were reported in our sample. We find 4 resistance mechanisms which are principally resistant to beta-lactams and aminoglycosides. Hence, we have that the presence of the NDM-1 increases the likelihood of having genes that improves the bacteria's resistance dramatically. The presence of the NDM-1 induces mechanisms which impacts the effectiveness of antibiotics and appropriate treatments are difficult to find.
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