紀要論文 熱中症予防のための生体情報スマートイヤーモニターシステムの 実用化に向けた開発研究-イヤホンを用いた耳部における緑光電容積脈波についての基礎検討-
ネッチュウショウ ヨボウ ノ タメノ セイタイジョウホウ スマートイヤー モニターシステム ノ ジツヨウカ ニムケタ カイハツ ケンキュウ-イヤホン オ モチイタ ミミブ ニ オケル ミドリコウ デンヨウセキミャクハ ニツイテ ノ キソケントウ-
Development of the smart ear monitor system for measurement of physiological indices towards a practical system for the prevention of heat illness: a preliminary investigation of the green light ear photoplethysmogram using an earphone

李, 知炯  ,  小柳, 貴寛  ,  松尾, 勇輝  ,  草場, 志帆里  ,  福本, 悠斗  ,  山越, 健弘  ,  コヤナギ, タカヒロ  ,  マツオ, ユウキ  ,  クサバ, シホリ  ,  フクモト, ハルト  ,  ヤマコシ, タケヒロ  ,  Lee, Jihyoung  ,  Koyanagi, Takahiro  ,  Matsuo, Yuki  ,  Kusaba, Shihori  ,  Fukumoto, Yuto  ,  Yamakoshi, Takehiro

28pp.19 - 24 , 2017-10-31 , 福岡工業大学情報科学研究所 , Fukuoka Institute of Technology Institute of Information Science
ISSN:13466169
NII書誌ID(NCID):AA11519304
内容記述
We compared the pulse rate (PR) derived from the ear photoplethysmogram (PPG) using a green light with the heart rate (HR) derived from the electrocardiogram (ECG) as a reference. In 20 young healthy participants (21.7 ± 2.7 S.D. years), simultaneous measurements of the ECG (chest lead II), peak green light (525 nm) PPG, and peak near-infrared light (810 nm) PPG from the two sites of the ear (tragus and helix-crus) and index fingertip, respectively, were made. We used a treadmill for walking task, at speeds of 0, 2, 4 and 6 km/h. The results showed that the PR derived from the green light PPG from the ear significantly related to HR derived from ECG (tragus: r = 0.984, helix-crus: r = 0.972, respectively). In addition, the limit of agreement (± 1.96 S.D.) in Bland-Altman plots between PR and HR were ± 5.960 bpm and ± 7.944 bpm. In conclusion, these findings suggest that green light ear PPG could be the basis of a suitable, practical, method for monitoring PR in normal daily life.
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http://repository.lib.fit.ac.jp/bitstream/11478/766/1/情研28_19p李 知炯先生.pdf

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