Urinary Tract Infections in Hospitalized Patients during 2006 to 2009 in Madani Heart Center Tabriz, Iran

Backgraound: nosocomial infections are a major cause of morbidity and mortality, and the urinary tract infections is one of the most common sites of these infections. the aim of this study was to determine the prevalence of the urinary tract infections in madani heart center of tabriz university of medical sciences. methods: urine samples from 3900 patients admitted into different wards of cardiovascular teaching hospital were collected by the mid stream and catheter aspiration methods. this study carried out between 2006 to 2009.the statistically analysis were prepared by spss software version 16. results: in this study, 3900 urine samples for utis were evaluated, of which 529 (13.56 %) were declared by investigators to be microbiologically proven. the most common pathogen was e. coli (52.93%) followed other gram negative bacteria (20.56%), candida spp. (14.18%), gram positive bacteria (12.33%). conclusion: bacterial agents were 454 of 529 (85.82%) and candida spp. was 75 (14.18%). there were many factors which influence the incidence of utis included gender, catheter use and diabetes mellitus.