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An Application for Pairing with Wearable Devices to Monitor Personal Health Status
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Smartphone Apps Using Photoplethysmography for Heart Rate Monitoring: Meta-Analysis.

Benjamin De Ridder1,2, Bart Van Rompaey2, Jarl K Kampen3,4

  • 1University Hospital Ghent, Ghent, Belgium.

JMIR Cardio
|November 24, 2019
PubMed
Summary
This summary is machine-generated.

Smartphone apps can accurately measure heart rate using photoplethysmography (PPG) in adults. However, validation for pediatric use is still needed for these vital sign assessment tools.

Keywords:
electrocardiographyheart ratemeta-analysismobile applicationsoximetryphotoplethysmography

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Area of Science:

  • Biomedical Engineering
  • Mobile Health (mHealth)
  • Cardiovascular Monitoring

Background:

  • Smartphones are increasingly prevalent and possess capabilities suitable for healthcare applications.
  • Utilizing the smartphone camera and light-emitting diode (LED) for photoplethysmography (PPG) enables vital sign assessment.
  • This technology offers a portable and accessible method for physiological monitoring.

Purpose of the Study:

  • To conduct a meta-analysis evaluating smartphone apps for heart rate measurement via PPG.
  • To compare the accuracy of smartphone-based heart rate monitoring against validated medical devices.

Main Methods:

  • Systematic literature search of PubMed and ISI Web of Knowledge (2009-2016).
  • Quality assessment using CASP checklist and additional criteria.
  • Meta-analysis employing fixed and random effects models for mean difference and correlation coefficients.

Main Results:

  • 14 studies included; no significant difference in heart rate measurements between smartphones and validated methods (mean difference -0.32, P=.37).
  • High correlation (Pearson r ≥ .90) in adults; strong significant correlation (r=.951) in children.
  • Good agreement demonstrated by limits of agreement; publication year negatively correlated with mean difference, indicating improved accuracy over time.

Conclusions:

  • Smartphone PPG apps demonstrate agreement with validated methods for adult heart rate monitoring during resting sinus rhythm.
  • Current evidence does not validate the use of these apps for heart rate assessment in pediatric populations.