Podcast #295: UTI

Podcast #295: UTI

Author: Sam Killian, M.D.

Educational Pearls

  • 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 cultures.
  • A study in the Journal of Clinical Microbiology did urine cultures and E. coli PCR in 220 women with UTI symptoms and 86 women without UTI symptoms.
  • In the symptomatic women, 67% had positive E. Coli PCR and 98% had a pathogenic bacteria in their urine culture.
  • In the asymptomatic women, 10% had positive E. coli PCR and/or urine culture.
  • Therefore, this study suggests that urine culture may be of limited utility, since symptoms alone seemed to predict bacteriuria.

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.

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Podcast #193: The Quick Wee

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Author: JP Brewer M.D. Educational Pearls: The "Quick Wee" was a method to get urine out of infants who need to have a UA in the Emergency Department. A randomized-controlled experiment was done with...

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Podcast #192: Back Fat Hernia

Podcast #192: Back Fat Hernia

Author: Jared Scott M.D. Educational Pearls: There are two anatomical triangles on the back, the inferior lumbar triangle and the superior lumbar triangle. Herniation occurs whenever something moves ...

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Podcast #191: Blunt Cervical Trauma

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Author: Chris Holmes M.D. Educational Pearls: Mechanism of injury involves hyperextension/hyperflexion Pathophysiology: inside of the arteries in the neck becomes disrupted, similar to a dissection. ...

18 Apr 20172min

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Author: Michael Hunt M.D. Dr. Hunt shares his wealth of experience with biological terrorism over the course of his career.

16 Apr 201728min

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