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Related Concept Videos

Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...
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Updated: May 5, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
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A-Mode Ultrasound Bladder Volume Estimation Algorithm Based on Wavelet Energy Ratio Adaptive Denoising.

Rencheng Jin1, Qipeng Huang1, Jiaxu Jiang1

  • 1Key Laboratory for Micro/Nano Technology and System of Liaoning Province, Dalian University of Technology, Dalian 116024, China.

Sensors (Basel, Switzerland)
|March 28, 2024
PubMed
Summary
This summary is machine-generated.

This study presents a new ultrasound algorithm for accurate portable bladder volume measurement. The novel method achieves an 8.3% estimation error, improving urological health monitoring.

Keywords:
bladder volumecross-correlation analysisultrasoundwavelet denoising

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Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Urology

Background:

  • Accurate bladder volume assessment is crucial for urological health monitoring.
  • Existing portable bladder volume devices lack precision.
  • Novel solutions are needed to improve accuracy and usability.

Purpose of the Study:

  • To develop and validate a novel A-mode ultrasound-based algorithm for portable bladder volume estimation.
  • To enhance the accuracy and usability of portable bladder monitoring devices.
  • To address the limitations of current portable bladder assessment tools.

Main Methods:

  • Developed a wavelet energy ratio adaptive denoising method to improve signal-to-noise ratio.
  • Utilized ultrasonic echoes to determine bladder wall positions.
  • Applied the least squares method to fit an ellipsoid for volume calculation.
  • Validated the algorithm using a simulation experiment on a porcine bladder.

Main Results:

  • The algorithm demonstrated significant improvement in signal-to-noise ratio.
  • Bladder volume estimation error was approximately 8.3% in simulation experiments.
  • The method successfully preserved critical signal details.

Conclusions:

  • The developed algorithm offers a viable solution for accurate portable bladder volume estimation.
  • This technology enhances the usability and precision of portable urological monitoring devices.
  • The study shows significant potential for clinical applications in urological health.