Heart disease detection using an acceleration-deceleration curve-based neural network with consumer-grade smartwatch data

Arman Naseri*, David M.J. Tax, Marcel Reinders, Ivo van der Bilt

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Cardiovascular disease (CVD) is the most important cause of morbidity and mortality worldwide. Early detection, prevention or even prediction is of pivotal importance to reduce the burden of cardiovascular disease and its associated costs. Low cost, consumer-grade smartwatches have the potential to revolutionize cardiovascular medicine by enabling continuous monitoring of heart rate and activity. When combined with machine learning(ML), the resulting large amounts of time series data hold the potential of detection, or exclusion of CVD. However, analyzing such large datasets is challenging due to the sparse presence of informative segments. Efficient selection of these segments is essential for developing predictive models for clinical deployment. The objective of this paper was to investigate the potential of an acceleration-deceleration curvebased ML model as a novel clinical indicator for the detection of cardiovascular diseases. We used data from the ME-TIME study; 42 participants from which 21 have a cardiovascular disease and 21 are health controls. Data from each subject was normalized to decrease inter-subject variability. A neural network model aggregated predictions per week. We showed that per-subject normalization by the peak value of curves during inactivity, aggregation of model predictions over a week, and using a contrastive loss, resulted in a predictive model with 99 % ± 3 % specificity and 40 % ± 49 % sensitivity on the development set, and 100 % specificity with 67 % ± 47 % sensitivity on the test set. Acceleration-deceleration curves are effective patterns for ruling out the presence of cardiovascular disease, but caution must be taken to properly pre-process the curves and carefully choosing a model that reduces the variability in the extracted curves.

Original languageEnglish
Article numbere39927
Number of pages14
JournalHeliyon
Volume10
Issue number21
DOIs
Publication statusPublished - 15 Nov 2024

Keywords

  • Atrial fibrillation
  • Ehealth
  • Heart failure
  • Machine learning
  • Mhealth
  • Smartwatch
  • Wearables

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