• Hillary L Copp, Janet Hanley, Christopher S Saigal, Kara Saperston, and NIDDK Urologic Diseases in America Project.
• UC San Francisco, USA.
• J Pediatr Urol. 2016 Aug 1; 12 (4): 234.e1-5.

IntroductionThe majority of urinary tract infections (UTIs) in children are treated in the ambulatory setting. The goal of this study is to describe the course of outpatient UTI management, including health services utilization, antibiotic switching (change from empirically prescribed antibiotic to another antibiotic), and antibiotic side effects.MethodsUsing a large claims database, Truven Health MarketScan Research Database, we analyzed all children younger than 18 years old who had an antibiotic prescribed for an outpatient UTI from 2002 to 2010. We evaluated health services utilization and antibiotic switching in the 21-day period after UTI diagnosis. We compared side effects with rates in patients receiving narrow versus broad-spectrum antibiotic treatment. Chi-square analysis was used for descriptive statistics.ResultsWe identified 242,819 outpatient, antibiotic-treated, UTI episodes. During the 21-day period after presentation, 26% required more than one visit for UTI management and <1% required hospital admission (Figure). Most children did not have imaging within 21 days of UTI: renal bladder ultrasound in 6%, VCUG in 2.6%, and DMSA in 0.05%. Broad-spectrum antibiotics were empirically prescribed to 34% of patients. Antibiotic switching occurred in only 8% of UTI episodes, indicating that empiric prescription covered the offending uropathogen the majority of the time. Antibiotic side effects occurred in 8% of UTI episodes. The most common side effects were gastrointestinal (∼3% of UTI episodes). All other side effects occurred in <1% of UTI episodes. Although there were statistically significant differences in side effects between broad- and narrow-spectrum antibiotics, these differences were not clinically relevant.ConclusionsMost outpatient UTIs in children do not require more than one healthcare visit, hospital admission, or change in empiric antibiotic therapy. This study supports the fact that pediatric UTIs can be effectively treated in the ambulatory setting.Copyright © 2016. Published by Elsevier Ltd.

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