Prevalence of Klebsiella pneumoniae ESBLs Producer Strains in Hospitalized and Community Acquired Urinary Tract Infections

Background: klebsiella pneumoniae is considered of the bacteria causing urinary tract infection and one of the opportunistic pathogens and cause of nosocomial infections. outbreak of esbl (broad-spectrum b-lactamase) in the bacteria leads to the improvement of antibiotic resistance and mortality in patients.materials and methods: this descriptive study in 2010 took 22 months. bacteria were identified according to the microbiological methods and production of broad-spectrum b-lactamase through screening and confirmatory tests.results: based on the results, the frequency of klebsiella pneumoniae in samples of inpatients and outpatients has been respectively 15% and 14%, and the frequency of broad-spectrum b-lactamase in klebsiella pneumoniae bacteria in samples of inpatients and outpatients has been respectively 64% and 22%.conclusion: the results indicated the prevalence of broad-spectrum b-lactamase in isolated strains from comparison between inpatients and outpatients.