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Revista Cubana de Medicina General Integral

Print version ISSN 0864-2125


PUNALES MEDEL, Iraida; MONZOTE LOPEZ, Alexis; TORRES AMARO, Grisel  and  HERNANDEZ ROBLEDO, Ernesto. Bacterial etiology of the urinary tract infection in children. Rev Cubana Med Gen Integr [online]. 2012, vol.28, n.4, pp.620-629. ISSN 0864-2125.

Objectives: To contribute to the knolewdge about the etiologic behavior of the most frequent microorganisms causing urinary tract infection and the antimicrobial susceptibility to the antibiotics of the main causative agent. Methods: retrospective, observational, and descriptive study conducted in the microbiology laboratory of "Juan Manuel Márquez" pediatric hospital in the period of January 1st through December 31st, 2010. The register of urine cultures of the mentioned laboratory was revised, from which the 579 positive cultures from presumptively diagnosed children with urinary tract infection were taken. They made up the universe of study. Results: the most frequent microorganisms found were Escherichia coli followed by Klebsiella spp., with clear predominance in both sexes; Proteus spp. in males and Serratia spp. in females. The main causal agent, Escherichia coli, showed over 80% susceptibility to meropenem, chloramphenicol, nitrofurantoin, amykacin, gentamycin, cefuroxime, ceftriaxone and amoxycillin/clavulanic acid, whereas susceptibility to cotrimoxazole and to ampicillin was 62 % and 33 % respectively. Conclusions: Escherichia coli is the main causative agent of urinary tract infection at "Juan Manuel Márquez" hospital, so the knowledge of its susceptibility to various antibiotics can guide the doctor in its daily practice at the time of beginning the empiric treatment, prior to the bacteriological confirmation of the illness.

Keywords : urinary tract infection; Escherichia coli; pediatrics; antimicrobial susceptibility.

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