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Urinary tract infections are defined as the presence of microorganisms in any part of the urinary system, with the exception of the distal urethra. A majority of them are uncomplicated infections that are resolved on an outpatient basis, with empirical therapy. The objectives of this work were to study the sociodemographic characteristics of patients, analyze associated strains and examine the response of the main microorganisms to antibiotics. A retrospective observational study of all positive urine cultures between 2018 and 2022 was carried out at an institution (8340 samples). Sociodemographic data were also collected. In total, 61.3% were women, with an average age of 63.4 years, and 43.2% were from the Emergency Department. A total of 13.5% were fitted, 56% of whom were women. Also, 95.9% were not taking any antibiotics, and among the individuals who were taking antibiotics, 50% were injected. Escherichia coli (53.5%) and Klebsiella pneumoniae (13.8%) are identified as the most prevalent strains. In the time periods analyzed, Escherichia coli decreased its resistance to 11 antibiotics and increased to 5 antibiotics, while Klebsiella pneumoniae decreased to 7 and increased to 7, with emphasis on the presence of 3 antibiotics with a resistance rate of 100% to all Klebsiella pneumoniae strains identified in 2022.
Castelo-Branco et al. (Fri,) studied this question.