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Mobile sonouroflowmetry using voiding sound and volume.

Elie El Helou1, Joy Naba2, Karim Youssef3

  • 1Faculty of Medicine, Saint Joseph University, Beirut, Lebanon. elie.helou@usj.edu.lb.

Scientific Reports
|May 28, 2021
PubMed
Summary
This summary is machine-generated.

A new mobile sonouroflowmetry (SUF) method uses phone sound recordings to accurately estimate urinary flow rate. This non-invasive technique offers a convenient, home-based alternative for diagnosing lower urinary tract dysfunction.

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Area of Science:

  • Biomedical Engineering
  • Urology
  • Acoustics

Background:

  • Uroflowmetry (UF) is essential for diagnosing lower urinary tract dysfunction (LUTD).
  • Current UF methods require clinic visits, limiting convenient, repeated assessments.
  • There is a need for accurate, accessible home-based uroflowmetry solutions.

Purpose of the Study:

  • To propose and evaluate a novel mobile sonouroflowmetry (SUF) method.
  • To assess the feasibility of estimating urinary flow rate using smartphone-recorded sound signals.
  • To establish a benchmark for mobile uroflowmetry accuracy.

Main Methods:

  • Developed a sonouroflowmetry (SUF) technique utilizing mobile phone sound recordings.
  • Linearly mapped sound energy to voided volume to generate a flow rate curve.
  • Evaluated SUF accuracy against traditional uroflowmetry in 44 healthy young men.

Main Results:

  • SUF demonstrated high similarity to traditional UF flow rates (correlation coefficient 0.993).
  • Mean root mean square error for flow rate estimation was 2.37 ml/s.
  • Maximum flow rates were estimated with a mean absolute error of 2.41 ml/s.

Conclusions:

  • Mobile sonouroflowmetry (SUF) is a promising, accurate method for home-based urinary flow rate assessment.
  • SUF offers a convenient and non-invasive approach for diagnosing LUTD.
  • The study provides an initial benchmark for future mobile uroflowmetry research.