Resistencia antimicrobiana en la infección urinaria Artículo breve Resistencia antimicrobiana en la infección urinaria por Escherichia coli adquirida en la comunidad. ¿Cuál antibiótico voy a usar? Guajardo-Lara CE, González-Martínez PM, Ayala-Gaytán JJ. Resistencia antimicrobiana en la infección urinaria por Escherichia coli adquirida en la comunidad. ¿Cuál antibiótico voy a usar? Salud Publica Mex 2009;51:155-158. Palabras clave: infección urinaria; resistencia bacteriana a antibióticos;

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... crobianos; ciprofloxacino; trimetoprimsulfametoxazol; infecciones adquiridas en la comunidad; México Guajardo-Lara CE, González-Martínez PM, Ayala-Gaytán JJ. Antibiotic resistance of Escherichia coli from community-acquired urinary tract infections. What antimicrobial to use? Salud Publica Mex 2009;51:155-158. Abstract Objective. Determine antibiotic resistance of communityacquired uropathogen Escherichia coli and infer therapeutic options. Material and Methods. E. coli strains isolated from urine during a one-year period were studied. Identification and susceptibility tests were performed. Results. A total of 652 isolates were included from patients in two institutions, a healthcare clinic 303 (46.5%) and a hospital 349 ( 53.5%). The antimicrobials with higher resistance rates were ampicillin 67.2%, trimethoprim-sulfametoxazole 59.2%, cefazolin 35.6% and ciprofloxacin 24.7%. Conclusions. Resistance to trimethoprim-sulfamethoxazole and ciprofloxacin used for empiric treatment in community urinary infections is high, and there are few available treatment options.