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Related Experiment Videos

Automatic integrated circuit card system for recording 24-hour uroflowmetry

S Nakamura1, S Ishiyama, Y Kobayashi

  • 1Department of Urology, Jichi Medical School, Tochigi-ken, Japan.

The Journal of Urology
|September 1, 1993
PubMed
Summary

A novel system enables patients to accurately record their own urine flow data using an integrated circuit card. This allows for precise monitoring of urinary patterns and treatment efficacy, such as with alpha-blocker administration.

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Area of Science:

  • Urology
  • Biomedical Engineering
  • Medical Informatics

Background:

  • Accurate and stable urine flow data are crucial for diagnosing and monitoring lower urinary tract symptoms.
  • Current methods for collecting voiding data can be cumbersome and may not reflect real-world patient conditions.
  • Patient-centric data collection offers a promising approach to improve the accuracy and reliability of urodynamic assessments.

Purpose of the Study:

  • To develop and evaluate a new system for accurate and stable urine flow data collection.
  • To empower patients in recording their own urinary flow data for enhanced clinical insights.
  • To assess the system's utility in detecting subtle changes in urination patterns and monitoring treatment.

Main Methods:

  • Development of an integrated circuit card system for automatic recording of urination data.

Related Experiment Videos

  • Patients carry the card and insert it into the system before urinating.
  • Data recorded include flow curves, maximum flow rate, average flow rate, voided volume, duration, hesitation, and time/date.
  • A personal computer is used to calculate and print all flow curves and voiding parameters.
  • The system allows for up to 14 days of continuous data recording.

    • Main Results:

    • The system successfully obtains accurate and stable urine flow data with patient involvement.
    • It enables the recording of detailed voiding parameters and flow curves.
    • Subtle changes in urination patterns and typical circadian rhythms can be effectively detected.
    • Precise monitoring of clinical course under alpha-blocker administration was demonstrated.

    Conclusions:

    • The developed integrated circuit card system provides a reliable and patient-friendly method for collecting urine flow data.
    • This system facilitates the detection of subtle urodynamic changes and aids in precise treatment monitoring.
    • It holds significant potential for improving the management of lower urinary tract conditions.