Follow-up Culture in Children with UTI Yields Nothing

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Am Fam Physician. 2004 Apr 1;69(7):1738-1743.

Clinical Question: How useful are follow-up urine cultures in children hospitalized with urinary tract infections (UTIs) and fever?

Setting: Inpatient (any location) with outpatient follow-up

Study Design: Cohort (prospective)

Synopsis: The authors of this study retrospectively reviewed the records of 364 children younger than 18 years who were discharged from the hospital with a diagnosis of UTI or pyelonephritis. UTI was defined as more than 10,000 colony-forming units (CFU) per mL by a catheter specimen or more than 100,000 CFU per mL by the clean-catch method. One third of the children had a fever that persisted at 48 hours after admission. The American Academy of Pediatrics recommends doing a follow-up culture in 48 hours in the absence of expected clinical response. Approximately 80 percent of the admitted children had a follow-up culture within 72 hours of admission to the hospital. None of the cultures was positive, resulting in no change in management or outcome.

Bottom Line: In this study of children admitted to the hospital with fever and a UTI, follow-up urine cultures were universally negative, providing no guidance for managing persistent fever. (Level of Evidence: 1c)


Currie ML, et al. Follow-up urine cultures and fever in children with urinary tract infection. Arch Pediatr Adolesc Med. December 2003;157:1237–40.

Used with permission from Barry H. Follow up culture in kids with UTI yields nothing. Accessed January 26, 2004, at: http://www.InfoPOEMs.com.


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