Introduction. Staphylococcus aureus colonizes to people mainly in nostril. Intermittent carriers of methicillin-sensible strains are in risk of acquire methicillin resistant S. aureus. There are different risk factors associated with methicillin-resistance S. aureus like hospitalization, skin lesions, antibiotic therapy, and so forth. Objective. To determine of variability in nasal carrier state of methicillin-susceptible Staphylococcus aureus in Bacteriology students'. Materials and Methods. Longitudinal analytical study. In 2012, samples of nostril were taken of 14 students previously classified like carriers (year 2010). S. aureus was identified by Kirby-Bauer method. A questionnaire was applied to identify risk facts associated to carriage state. Results of carriage from years 2010 and 2012 were compared. Results. In 2012, 5 carries of methicillin-susceptible Staphylococcus aureus strains were identified. Statistical association wasn't found between nasal carrier state and risk factors in 2010 and 2012 (p > 0.05). Conclusion. In 2012, were defined again 5 students like carriers that are reservoir and transmitting this strain.
Introducción. Las infecciones urinarias son de las infecciones bacterianas más frecuentes. Son causadas principalmente por bacterias. Otros organismos asociados con menos frecuencia son hongos y virus. Estas infecciones son 14 veces más frecuentes en mujeres que en hombres.Objetivo. Determinar la etiología y perfil de resistencia a antimicrobianos de uropatógenos aislados en 2 hospitales de Cartagena.Materiales y Métodos. Estudio descriptivo, realizado en el 2011. Se realizaron urianalisis, urocultivo y pruebas de sensibilidad por la técnica de Kirby Bauer.Resultados. Se realizaron 545 urocultivos, 179 (32,8%) fueron positivos. Las infecciones urinarias fueron más frecuentes en el sexo femenino (67%). E. coli fue la bacteria aislada con más frecuencia (72,5%) y presento resistencia a Ampicilina (25,8%) y Ciprofloxacina (21%).Conclusión: El uropatógeno principalmente aislado fue E. coli.
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