光路に重複のある3つの光電容積脈波波形から得られる生理指標の内部一貫性 Internal consistency of photoplethysmographic measures derived using a sensor geometry having one light source and three photo detectors

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著者

    • 松村 健太 Matsumura Kenta
    • 北海道大学 大学院情報科学研究科 Division of Bioengineering and Bioinformatics, Graduate School of Information Science and Technology, Hokkaido University
    • 清水 孝一 Shimizu Koichi
    • 北海道大学 大学院情報科学研究科 Division of Bioengineering and Bioinformatics, Graduate School of Information Science and Technology, Hokkaido University
    • 山越 健弘 Yamakoshi Takehiro
    • 福岡工業大学 Department of Information and Systems Engineering, Faculty of Information Engineering, Fukuoka Institute of Technology

抄録

<p>How and to what degree do the slight differences in the attachment positions of the sensors influence the values of photoplethysmographic measures? To address this question, we measured pulse rate (PR) and alternating current-to-direct current ratio (AC/DC) from the tips of the index fingers of 12 subjects under rest condition, using a sensor geometry having one light source and three photo detectors. The analysis revealed that the values of the intraclass correlation coefficient, an index of internal consistency, for PR and AC/DC across geometries were 1.00 and 0.90, respectively. The mean values of PR from the three photo detectors remained the same whereas those of AC/DC did not. These findings indicate that the internal consistency of PR and AC/DC across geometries are high, which implies that they can be used irrespective of the slight differences in the sensor attachment positions.</p>

収録刊行物

  • 生体医工学

    生体医工学 54Annual(27PM-Abstract), S212-S212, 2016

    一般社団法人 日本生体医工学会

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