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Effects of the arterial radius and the center-line velocity on the conductivity and electrical impedance of pulsatile flow in the human common carotid artery

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Abstract

In order to investigate the contribution of arterial radius and center-line velocity to the blood conductivity and electrical impedance of pulsatile flow in the human common carotid artery, we proposed three simplified mathematical models to describe the relationship between the center-line velocity, the arterial radius, and the blood conductivity. By comparing the fitting results with those obtained from our previously proposed elastic-tube hemodynamic model, we found that the change in center-line velocity had more notable effect on the blood conductivity than the change in arterial radius. Moreover, the change in arterial radius contributed much more to the electrical impedance than the change in blood conductivity induced by the center-line velocity.

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Funding

This work was, in part, supported by the National Natural Science Foundation of China (Grant No. 31370948), Liaoning Province Natural Science Fund (Grant No. 20170540052), and Liaoning Province Science Fund for Research and Development Program (Grant Nos. 2017225078, 2017225079).

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Authors and Affiliations

  1. School of Biomedical Engineering, Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, No. 2, Linggong Rd., Dalian, 116024, People’s Republic of China

    Hua Shen, Siqi Li & Kai-Rong Qin

  2. Department of Electronic Engineering, Dalian Neusoft University of Information, No. 8, Ruanjianyuan Rd., Dalian, 116023, People’s Republic of China

    Hua Shen

  3. School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, No. 2, Linggong Rd., Dalian, 116024, People’s Republic of China

    Yu Wang & Kai-Rong Qin

Authors
  1. Hua Shen
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  2. Siqi Li
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  3. Yu Wang
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  4. Kai-Rong Qin
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Correspondence to Yu Wang or Kai-Rong Qin.

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Shen, H., Li, S., Wang, Y. et al. Effects of the arterial radius and the center-line velocity on the conductivity and electrical impedance of pulsatile flow in the human common carotid artery. Med Biol Eng Comput 57, 441–451 (2019). https://doi.org/10.1007/s11517-018-1889-x

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  • DOI: https://doi.org/10.1007/s11517-018-1889-x

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