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Evaluation of the Hemodynamic Effects of AC Magnetic Field Exposure by Measurement of an FMD and a Microscope

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Advances in Human Factors and Ergonomics in Healthcare and Medical Devices (AHFE 2018)

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 779))

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Abstract

This study focuses on the acute influence of an AC electromagnetic field (ELF-EMF) exposure (50 Hz, Bmax 180 mT) on flow-mediated dilation (FMD) and peripheral capillary flow velocity in healthy human subjects. In a randomized, double blind and crossover design, the sham control (CTL) and the EMF exposures were carried out. For FMD study, exposure of the left upper arm to EMF was performed for 30 min in a supine position. In the case of the measurement of microcirculation, exposure of the left forearm to EMF was conducted for 15 min in a sitting position. The FMD values were significantly increased from the baseline value in the presence of EMF exposure. The values of the microcirculation were significantly increased by the EMF exposure. These results imply that the EMF-enhanced vasodilation and microcirculation might help eliminate the metabolic waste products and endogenous pain producing substances inducing muscle stiffness and pain.

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Author information

Authors and Affiliations

  1. Graduate School of Science and Engineering, Saitama University, Saitama, Japan

    Tsukasa Kondo & Keiichi Watanuki

  2. Advanced Institute of Innovative Technology, Saitama University, Saitama, Japan

    Hideyuki Okano & Keiichi Watanuki

  3. Soken Medical Co., Ltd., Tokyo, Japan

    Hiromi Ishiwatari

  4. Brain and Body System Science Institute, Saitama University, Saitama, Japan

    Keiichi Watanuki

Authors
  1. Tsukasa Kondo
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  2. Hideyuki Okano
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  3. Hiromi Ishiwatari
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  4. Keiichi Watanuki
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Corresponding author

Correspondence to Hideyuki Okano .

Editor information

Editors and Affiliations

  1. Veterans Affairs - Center for Applied Systems Engineering, Indianapolis, Indiana, USA

    Nancy J. Lightner

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Kondo, T., Okano, H., Ishiwatari, H., Watanuki, K. (2019). Evaluation of the Hemodynamic Effects of AC Magnetic Field Exposure by Measurement of an FMD and a Microscope. In: Lightner, N. (eds) Advances in Human Factors and Ergonomics in Healthcare and Medical Devices. AHFE 2018. Advances in Intelligent Systems and Computing, vol 779. Springer, Cham. https://doi.org/10.1007/978-3-319-94373-2_8

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