Resumen
Objetivo: Evaluar los aspectos epidemiológicos de la Neumonía Asociada a la Ventilación Mecánica en pacientes críticos adultos ingresados en una Unidad de Cuidados Intensivos que atiende a pacientes quirúrgicos y víctimas de trauma. Métodos: Se trata de un estudio de caso-control, con 345 casos y 301 controles. Los datos se extrajeron de las fichas de seguimiento del Servicio de Control de Infecciones Hospitalarias y de las historias clínicas. Se empleó análisis bivariado y multivariado mediante regresión logística. Resultados: La proporción de pacientes con trauma fue del 86,7% entre los casos y del 72,8% en el grupo de control. El modelo multivariado reveló una asociación de la Neumonía Asociada a la Ventilación Mecánica con el uso previo de cefazolina (OR 1,7), el uso de traqueotomía (OR 1,9) y la edad inferior a 70 años (OR 1,8). El microorganismo más prevalente fue el Staphylococcus aureus. Conclusión: A través de este estudio fue posible identificar que el uso de antibiótico profiláctico, el uso de traqueotomía y tener una edad inferior a 70 años fueron factores de riesgo para la Neumonía Asociada a la Ventilación Mecánica en una población mayoritariamente víctima de trauma.
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