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Adherence to urologic imaging guidelines after febrile urinary tract infection in infants

Hsin-Hsiao Scott Wang, J. Hatoun, Jonathan T. Xu, L. Vernacchio

Journal of Pediatric Urology, 2025

21 participants

Abstract

BACKGROUND

Timely imaging is recommended after febrile UTI (fUTI) in young children to identify treatable urologic conditions. The 2011 American Academy of Pediatrics (AAP) guideline recommends renal bladder ultrasound (RBUS) after fUTI and voiding cystourethrogram (VCUG) after abnormal RBUS or second fUTI.

OBJECTIVE

We sought to investigate practice pattern variability and associated factors in pediatric fUTI imaging in primary care clinics.

STUDY DESIGN

All children 50,000 CFU on urine culture) in a large primary care network in a US Northeast state in 2019 were reviewed. Those with congenital genitourinary anomalies were excluded. We fitted a multivariable logistic regression model with a primary outcome of adherence to the AAP guideline.

RESULTS

In total we included118 patients with fUTI. Overall, post-UTI imaging was adherent to the AAP guideline in 82 cases (69.5 %, See Figure). Reasons for non-adherence were: no RBUS (N = 21), VCUG despite normal RBUS (N = 9), no VCUG after abnormal RBUS (N = 4), and no VCUG after a second fUTI (N = 2). In the multivariable logistic regression model, significant predictors of guideline adherence were commercial insurance (OR = 2.82, p = 0.047), more providers in the practice (OR = 1.38, p = 0.05), and younger provider age (OR = 0.96, p = 0.043) after adjusting for patient's age, sex, maximal temperature during fUTI.

DISCUSSION

Young children with fUTI received guideline-adherent imaging from their primary care clinician approximately…

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