Urinary tract infection: Difference between revisions
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* Bacterial infection of the urinary tract, either lower (cystitis) or upper (pyelonephritis) |
* Bacterial infection of the urinary tract, either lower (cystitis) or upper (pyelonephritis) |
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*** Pyuria (>10 WBCs/HPF) |
*** Pyuria (>10 WBCs/HPF) |
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* Typical organisms include: |
* Typical organisms include: |
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** S. saprophicitus |
** S. saprophicitus |
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* Labs |
* Labs |
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** Urinalysis has high NPV (~100%) if negative for leukocyst esterase and nitrites is negative |
** Urinalysis has high NPV (~100%) if negative for leukocyst esterase and nitrites is negative |
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| + | [[Category:Genitourinary infections]] |
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Revision as of 21:19, 14 August 2019
Definition
- Bacterial infection of the urinary tract, either lower (cystitis) or upper (pyelonephritis)
- When UTI causes sepsis syndrome, often referred to as urosepsis
- Diagnostic criteria include clinical and laboratory symptoms:
- Two or more clinical symptoms:
- Fever > 38ºC
- Urinary urgency or frequency
- Acute dysuria
- Hypogastric pain
- Costovertebral angle tenderness
- One or more laboratory finding:
- Bacteriuria (> 100,000 CFUs/mL)
- Pyuria (>10 WBCs/HPF)
- Two or more clinical symptoms:
Etiology
- Typical organisms include:
- E. coli
- S. saprophicitus
Investigations
- Labs
- Urinalysis has high NPV (~100%) if negative for leukocyst esterase and nitrites is negative
References
- ^ Dimitri M. Drekonja, Barbara Trautner, Carla Amundson, Michael Kuskowski, James R. Johnson. Effect of 7 vs 14 Days of Antibiotic Therapy on Resolution of Symptoms Among Afebrile Men With Urinary Tract Infection. JAMA. 2021;326(4):324. doi:10.1001/jama.2021.9899.
