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Urinary Tract Infection in Children

Per Brandström1, Sverker Hansson1

  • 1Department of Pediatrics, Clinical Science Institute, Sahlgrenska Academy, University of Gothenburg, Gothenburg 416 85, Sweden; Pediatric Uro-Nephrologic Center, Queen Silvia Children's Hospital, Sahlgrenska University Hospital, Gothenburg 416 85, Sweden.

Pediatric Clinics of North America
|March 7, 2023
PubMed

Insights

Diagnosing urinary tract infections (UTI) in children is challenging due to nonspecific symptoms. New biomarkers and improved urine collection methods offer safer, faster diagnosis, improving outcomes and preventing kidney damage.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Nephrology

Background:

  • Urinary tract infections (UTIs) in young children present with nonspecific symptoms, complicating diagnosis.
  • Urine sample collection in children is often difficult, posing challenges for accurate diagnosis.
  • Current management guidelines emphasize risk factors and ultrasound to identify children at risk of kidney damage.

Purpose of the Study:

  • To explore novel biomarkers and improved diagnostic methods for pediatric UTIs.
  • To outline strategies for safe and rapid diagnosis of UTIs in young children.
  • To discuss the long-term outcomes and potential complications of pediatric UTIs.

Main Methods:

  • Review of current diagnostic approaches for pediatric UTIs.
  • Discussion of new biomarkers for UTI detection.
  • Analysis of urine culture techniques, including clean-catch urine.
  • Evaluation of imaging (ultrasound) and risk factor assessment in management.

Main Results:

  • New biomarkers and clean-catch urine cultures enable safe and rapid UTI diagnosis.
  • Catheterization or suprapubic aspiration is reserved for severely ill infants.
  • Ultrasound and risk factors guide management to prevent kidney deterioration.
  • Advances in understanding the innate immune system offer future diagnostic and therapeutic potential.

Conclusions:

  • Early and accurate diagnosis of pediatric UTIs is crucial for preventing long-term kidney complications.
  • Improved diagnostic tools and strategies enhance the management of UTIs in children.
  • While most children have good long-term outcomes, severe scarring can lead to hypertension and reduced kidney function.

Keywords:
BiomarkersGuidelinesKidney damageUrinary tract infectionUrine cultureUrine sampling

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