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Prevalence and predictive features of bacteremic urinary tract infection in emergency department patients.

Bahagon Y, Raveh D, Schlesinger Y, Rudensky B, Yinnon AM

Department of Family Medicine, Clalit Health Services, Hebrew University Hadassah Medical School, Jerusalem, 91120, Israel.

The aim of this study was to determine the prevalence and predictive features of bacteremia among patients evaluated in the emergency department for urinary tract infection. Of the 350 patients with symptomatic urinary tract infection included in this retrospective study, 53 (15%; 95%CI 11.6-19.4%) were bacteremic. Five variables were independently associated with bacteremia: residence at home rather than in an institution (OR 4; 95%CI 1.5-10.7), presence of an indwelling urinary catheter (OR 3.3; 95%CI 1.3-8.8), presence of band forms in the blood count (OR 3.3; 95%CI 1.5-7.2), shaking chills (OR 2.3; 95%CI 1.1-4.8), and neutrophilia (OR 1.1; 95%CI 1.04-1.15). These easily assessable parameters may assist in the diagnosis of bacteremic urinary tract infection and the selection of empiric antibiotic treatment, thus potentially improving a patient's prognosis.

Published 7 May 2007 in Eur J Clin Microbiol Infect Dis, 26(5): 349-52.
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