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Mobile Technology Application for Improved Urine Concentration Measurement Pilot Study.

Laura Walawender1, Jeremy Patterson2, Robert Strouse2

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|June 22, 2018
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Summary

A new mobile app shows promise for measuring urine concentration in children, offering a potentially more accurate hydration status assessment than subjective methods. This technology aids in developing patient-centered hydration strategies.

Keywords:
cell phone appshydrationspecific gravitythirsturine colors

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Area of Science:

  • Pediatric Health
  • Biomedical Technology
  • Diagnostic Tools

Background:

  • Adequate hydration is crucial for health, and urine concentration is a key indicator.
  • Reliable hydration status markers are not well-established in pediatric populations.
  • Existing methods for assessing urine concentration in children require further validation.

Purpose of the Study:

  • To compare various hydration status markers in children, including thirst perception and urine concentration measures.
  • To develop and evaluate a novel mobile technology application for measuring urine concentration.
  • To identify accurate and accessible tools for assessing hydration in pediatric patients.

Main Methods:

  • A pilot study involving 21 children (ages 12-17) assessed thirst, specific gravity (automated dipstick and refractometer), and urine color scale against urine osmolality.
  • A mobile camera application was developed to measure urine light penetrance.
  • The application was tested on 25 anonymized urine samples.

Main Results:

  • Specific gravity measured by refractometer showed the strongest correlation with urine osmolality (r=0.98, P<0.0001).
  • The mobile application's light penetrance measurement also correlated well with osmolality (r=-0.77, P<0.0001).
  • Thirst perception and urine color scale showed weaker correlations with osmolality.

Conclusions:

  • The mobile technology application demonstrates potential as an accurate tool for urine concentration measurement in children.
  • This application may offer advantages over automated dipsticks, subjective thirst, and urine color scales.
  • The developed application represents a significant step towards patient-centered hydration management strategies.