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Detecting reflux: does ureteric jet Doppler waveform have a role?

Mythili K D'Souza1, Namita S Verma, Prasanna Kumar A R

  • 1Department of Pediatric Nephrology, St. John's Medical College Hospital Bangalore, E10/2 Vijay Kiran Apartments, 32 Victoria Road, Bangalore, 560047, Karnataka, India. myths888@gmail.com

Pediatric Nephrology (Berlin, Germany)
|April 17, 2013
PubMed
Summary

Ureteric jet Doppler waveform (UJDW) effectively screens for vesicoureteral reflux (VUR) in children. This non-invasive method is accurate and feasible, even in young children aged 2-4 years.

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Area of Science:

  • Pediatric Nephrology
  • Diagnostic Imaging
  • Urology

Background:

  • Vesicoureteral reflux (VUR) affects 30-40% of children post-febrile urinary tract infection (UTI).
  • Untreated VUR can lead to renal scarring, hypertension, and renal failure.
  • Micturating cystourethrography (MCU) is the standard diagnostic tool but is invasive and involves radiation.

Purpose of the Study:

  • To evaluate ureteric jet Doppler waveform (UJDW) as a screening tool for VUR.
  • To assess the feasibility of UJDW in children aged 2-4 years.

Main Methods:

  • UJDW was performed before MCU in children aged 2-18 years needing MCU.
  • Exclusion criteria included active UTI, catheterization, and inability to drink fluids.
  • 182 ureteric units were analyzed.

Main Results:

  • UJDW demonstrated 80.3% sensitivity and 87.9% specificity for VUR detection.
  • In children aged 2-4 years, sensitivity was 77.3% and specificity 91.3%.
  • In children aged ≥5 years, sensitivity was 81.8% and specificity 87.1%.

Conclusions:

  • UJDW is a feasible screening technique for VUR, even in young children.
  • The high specificity of UJDW makes it a valuable tool for VUR follow-up across age groups.