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Evaluation of Peripheral Circulation in Elderly and Young Subjects by a Thermography Yoshikazu Kawakami 1,2 , Fumio Nagahama 1,2 , Kentaro Furuya 1,2 , Kyoko Goto 3 , Shigeru Miya 3 , Rensuke Kuroda 3 , Katsuo Suzuki 3 2Department of Medicine, National Hospital of Sapporo and National Cancer Center of Hokkaido 31st Department of Medicine, School of Medicine, Hokkaido University pp.631-637
Published Date 1969/7/15
DOI https://doi.org/10.11477/mf.1404202049
  • Abstract
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Measurements of local temperature of the finger tip and dorsums of hand and forearm were performed on 20 young and elderly subjects by a thermograph. The purposes of the experiments were 1) to examine the reliability of the thermograph for an evaluation of the peripheral blood flow in the human subjects and 2) to observe the thermal response of the upper extremities of the young and elderly subjects to the immersion of the contralateral hand in cold water.

During the immersion of the hand for 1 minute, heart rate of the elderly subjects invariably increased and then returned to the control values after the immersion. All but two young subjects had no increase in heart rate during the immersion.

The thermograph followed satisfactorilly well after a rapid change in local temperature due to physical, chemical and physiological stimuli on the peripheral blood flow and gave absolute values of the temperature change. Temperature of the dorsum of the forearm did not change during and after the immersion in most of the subjects of both groups. Hand temperature in the elderly subjects showed some variable change during and after the immersion while that in the young subjects did not show a marked chan-ge. Temperature change in the finger tip ofthe elderly was especially characteristic in that, after the immersion, there were incr-eases in temperature over the control value in subjects whose finger temperature was initially high. Factors which govern this phenomenon were discussed.


Copyright © 1969, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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