Urinary tract infection in men

2004 | journal article; research paper. A publication of Göttingen

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​Urinary tract infection in men​
Hummers-Pradier, E. ; Ohse, A. M.; Koch, M.; Heizmann, W. R. & Kochen, M. M. ​ (2004) 
International Journal of Clinical Pharmacology and Therapeutics42(7) pp. 360​-366​.​

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Hummers-Pradier, Eva ; Ohse, A. M.; Koch, M.; Heizmann, W. R.; Kochen, Michael M. 
Objective: To explore the prevalence and microbiology of urinary tract infection (UTI) in symptomatic men in a primary care setting and to determine the appropriateness of patient management of these conditions by the general practitioners. Methods: A cross-sectional survey was carried out matching documentation of symptoms and management with urine culture and results of susceptibility tests. All patients presenting with symptoms typical for a UTI in 36 teaching general practices in the area of Gottingen, Germany, were eligible for enrolment in the study. 15% (n = 90) of all patients were adult men. General practitioners (GPs) were instructed to manage patients as usual. Patient characteristics, dipstick tests and treatment were matched with results of urine cultures and susceptibility testing. Results: Men presenting with symptoms indicative of UTI were predominantly elderly (median age 61 years) and 41% had additional risk factors. Antibiotics were prescribed for 36%, but these were not well-targeted. Urine culture revealed UTI in 60%, of which halfhad low colony counts (23% of all patients) or multiple bacterial growth (7%); 40% had sterile urine. Dipstick tests proved unhelpful: leukocytes and nitrite had sensitivities of 54% and 38%, specificities of 55% and 84%, positive predictive values of 65% and 78% and negative predictive values of 44% and 46%, respectively. Resistance levels were 53% for amoxicillin and cefaclor, 28% for cefixim, 22% for ciprofloxacin, 34% for both trimethoprim as individual substance and the combination with sulfamethoxazole (cotrimoxazole) and 25% for nitrofurantoin. Conclusion: Men with symptoms indicative of a UTI should not be treated empirically. A urine culture and antibiogram should be obtained before a treatment decision is made. A low-count UTI was common and should not be considered normal.
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International Journal of Clinical Pharmacology and Therapeutics 
Institut für Allgemeinmedizin