Jan 26, 2018
Author: Sam Killian, M.D.
- Traditionally, UTI diagnosis has been dependent
on urine culture, urinalysis and clinical symptoms. But a recent
study casts some doubt on the utility of urine
study in the Journal of Clinical Microbiology did urine cultures
and E. coli PCR in 220 women with UTI symptoms and 86 women without
the symptomatic women, 67% had positive E. Coli PCR and 98% had a
pathogenic bacteria in their urine culture.
the asymptomatic women, 10% had positive E. coli PCR and/or urine
- Therefore, this study suggests that urine
culture may be of limited utility, since symptoms alone seemed to
References: Burd EM, Kehl KS. A
Critical Appraisal of the Role of the Clinical Microbiology
Laboratory in the Diagnosis of Urinary Tract Infections.
Journal of Clinical Microbiology.
2011;49(9 Supplement). doi:10.1128/jcm.00788-11.