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

  • Tsukasa Kondo
  • Hideyuki OkanoEmail author
  • Hiromi Ishiwatari
  • Keiichi Watanuki
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 779)

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.

Keywords

Electromagnetic field Flow-Mediated Dilatation (FMD) Microcirculation 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Tsukasa Kondo
    • 1
  • Hideyuki Okano
    • 2
    Email author
  • Hiromi Ishiwatari
    • 3
  • Keiichi Watanuki
    • 1
    • 2
    • 4
  1. 1.Graduate School of Science and EngineeringSaitama UniversitySaitamaJapan
  2. 2.Advanced Institute of Innovative TechnologySaitama UniversitySaitamaJapan
  3. 3.Soken Medical Co., Ltd.TokyoJapan
  4. 4.Brain and Body System Science InstituteSaitama UniversitySaitamaJapan

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