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Supplementary Material for: Diagnosis and Empirical Treatment of Urinary Tract Infections in Urologic Outpatients

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posted on 18.05.2020 by Eisenhardt A., Schneider K., Hirche H., Lax H., Hadaschik B., Rehme C., vanGool J.D.
Introduction: Due to a continuing increase of bacterial resistance in common uropathogens, we wanted to revisit our standards for the diagnosis and treatment of lower urinary tract infections, in the setting of urological outpatient care in a conurbation in Germany. Patients and Methods: All subjects presenting with significant bacteriuria at our urology clinics in Mülheim, Germany, in 2011 were included. Comorbidity, bacterial species, urinary tract symptoms, and empirically prescribed antibiotics were taken from the patients’ records. Results: In 2011, a total of 1,324 patients were included (793 female, 531 male). Of the 771 patients with symptomatic bacteriuria, 647 received antibiotic treatment, as well as 116 of 409 patients with asymptomatic bacteriuria. Escherichia coli was identified in 60% of the included patients. In 427 E. coli infections, bacterial resistance was found in 14% of 316 cases treated with quinolone, in 21% of 53 cases treated with co-trimoxazole, and in only 3% of 58 cases treated with nitrofurantoin. Conclusions: We found a high use of fluoroquinolones for empirical first-line antibiotics in the treatment of lower urinary tract infections. In our regional setting, antibiotic stewardship needs to be promoted, along national and international guidelines, to avoid unnecessary prescription of fluoroquinolones for empirical treatment.

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