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Non-invasive assessment of stroke volume and cardiovascular parameters based on peripheral pressure waveform

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  • Kamil Wołos
  • Leszek Pstras
  • Malgorzata Debowska
  • Wojciech Dabrowski
  • Dorota Siwicka-Gieroba
  • Jan Poleszczuk

Abstract

Cardiovascular diseases are the leading cause of death globally, making the development of non-invasive and simple-to-use tools that bring insights into the state of the cardiovascular system of utmost importance. We investigated the possibility of using peripheral pulse wave recordings to estimate stroke volume (SV) and subject-specific parameters describing the selected properties of the cardiovascular system. Peripheral pressure waveforms were recorded in the radial artery using applanation tonometry (SphygmoCor) in 35 hemodialysis (HD) patients and 14 healthy subjects. The pressure waveforms were then used to estimate subject-specific parameters of a mathematical model of pulse wave propagation coupled with the elastance-based model of the left ventricle. Bioimpedance cardiography measurements (PhysioFlow) were performed to validate the model-estimated SV. Mean absolute percentage error between the simulated and measured pressure waveforms was 4.0% and 2.8% for the HD and control group, respectively. We obtained a moderate correlation between the model-estimated and bioimpedance-based SV (r = 0.57, p

Suggested Citation

  • Kamil Wołos & Leszek Pstras & Malgorzata Debowska & Wojciech Dabrowski & Dorota Siwicka-Gieroba & Jan Poleszczuk, 2024. "Non-invasive assessment of stroke volume and cardiovascular parameters based on peripheral pressure waveform," PLOS Computational Biology, Public Library of Science, vol. 20(4), pages 1-21, April.
    • Handle: RePEc:plo:pcbi00:1012013
    DOI: 10.1371/journal.pcbi.1012013
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