Summary
Urinary tract infections (UTI) are among the most common infections afflicting man. Urinary tract infections in young adult women are usually uncomplicated, but are often recurrent and cause considerable morbidity. Urinary tract infections in pregnant women, elderly patients, and catheterized patients warrant special attention because of their association with increased morbidity and possibly with increased mortality. Diagnosis of UTI is usually based on quantitation of uropathogens in voided urine. The traditional criteria for significant bacteriuria, ≥105 uropathogens per ml of voided urine, is insensitive for detecting acute symptomatic cystitis in men and women and should be replaced with a lower colony count threshold.
Zusammenfassung
Harnwegsinfektionen gehören zu den häufigsten Infektionskrankheiten des Menschen. Bei jungen Frauen sind Harnwegsinfektionen in der Regel unkompliziert, doch sind rezidivierende Verläufe häufig, und die Morbidität ist beträchtlich. Bei Schwangeren, älteren Personen und Katheterträgern auftretende Harnwegsinfektionen verdienen besondere Beachtung, da nicht nur die Morbidität erhöht ist, sondern möglicherweise auch die Mortalität. Die Diagnose einer Harnwegsinfektion basiert in der Regel auf der Keimzahlbestimmung im Spontanurin. Für die Diagnose einer akuten Zystitis bei Männern und Frauen ist der traditionelle Richtwert für eine signifikante Bakteriurie von ≥105 uropathogenen Keimen pro ml zu wenig empfindlich, aus diesem Grund sollten die Grenzwerte für die Keimzahlen niedriger angesetzt werden.
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Hooton, T.M. The epidemiology of urinary tract infection and the concept of significant bacteriuria. Infection 18 (Suppl 2), S40–S43 (1990). https://doi.org/10.1007/BF01643424
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DOI: https://doi.org/10.1007/BF01643424