Frecuencia de escherichia coli betalactamasa de espectro extendido (BLEE), en pacientes con infección de vías urinarias. Hospital José Carrasco Arteaga

Abstract

OBJECTIVES: To determine the frequency of Escherichia coli extended spectrum lactamasa in urinary tract infections, at José Carrasco Arteaga Hospital, 2012-2013. METHODOLOGY: It is an observational descriptive cross-sectional study. The population consisted of 605 samples of urine cultures of patients from the areas of: external consultation, emergency, hospitalization and intensive care. The appropriate confirmatory method was tested, it was based on the inhibition of β-Lactamasa- producing confirmation enzyme according to the Standard Institute Clinical Laboratory. A descriptive statistical analysis was performed for data comprehension and interpretation. RESULTS: A total of 605 samples were cultured, E. coli was reported in 455 samples, and only 82 corresponded to the extended Expectrum β-lactamase producing strain with 18%. According to the variables considered, regarding sex, women represented the highest percentage with 87.8%, the highest age group was 51-60 years with 20.7%, followed by the group of 61-70 with 17.1%, depending on the source, the urban area accounted for 69.5%, according to the services in external consultation 37.8% were reported, and 34.1% were emergency ones. CONCLUSION: A prevalence of 18% of E. coli producing β-Lactamasa was reported at the José Carrasco Arteaga Hospital in the period September 2012-January 2013 in urine samples of patients from external consultation, emergency, hospitalization and Intensive care services. The women were the most affected, according to provenance, the highest percentage was of the urban area, the group of adults represented the highest percentage and the external consultation service was the most frequent. (Impact of results).