Related Experiment Video
Updated: Aug 8, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
Published on: August 14, 2019
Application of perfusion pressure measurement to problems of upper urinary tract dilatation in children
Insights
A simplified technique for measuring upper urinary tract obstruction in children is presented. This new method revealed unexpected findings in most cases, offering broad applications in pediatric urology.
Area of Science:
- Pediatric Urology
- Diagnostic Techniques
- Renal Physiology
Background:
- Equivocal obstruction of the upper urinary tract in children presents diagnostic challenges.
- Radiological appearances can be misleading in assessing urinary tract obstruction.
- Accurate assessment of perfusion pressure is crucial for management decisions.
Abstract:
A simplified technique of measuring perfusion pressure in the equivocally obstructed upper urinary tract of children is described. Twelve patients with dilated renal pelves or ureters encountered in an 18-month period have been investigated. The findings in the majority of cases were contrary to those anticipated from the radiological appearances. This test of obstruction has wide application in the management of paediatric urological problems.
Related Concept Videos
Assessing Blood pressure using a doppler ultrasound
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Nursing Assessment of the Genitourinary System III: Percussion and Auscultation
Imaging Studies V: Intravenous Urography and Retrograde Pyelography
Urodynamic Studies: Uroflowmetry

