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A Study on the Relationship Between Differences in Skin Blood Flow Fluctuations and Awareness of Warm and Cold Feeling in People with Cold Sensitivity

Research Project

Project/Area Number 19K24171
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0908:Society medicine, nursing, and related fields
Research InstitutionMie Prefectural College of Nursing

Principal Investigator

Hirao Yuichiro  三重県立看護大学, 看護学部, 助教 (40846961)

Project Period (FY) 2019-08-30 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Keywords冷え症 / 皮膚温 / 皮膚血流量 / 主観的温冷感 / 冷え / 自覚的温冷感 / 公衆衛生看護学 / 皮膚血流
Outline of Research at the Start

本研究では、手足の温度感受性や皮膚血流調節の違いを明らかにする。実験では、徐々に室温が低下する環境において、鼓膜温、手足の皮膚温と皮膚血流量、血圧、自覚的温冷感を測定し、それらの関連性を調べるとともに冷え症の有無で比較する。また、レーザースペックルフローグラフを用いて、二次元的に足の皮膚血流量を広範囲に測定し、血流の分布状況を観察する。

Outline of Final Research Achievements

In this study, we collected data on the body temperature, skin blood flow, and subjective feeling of coldness of people who were sensitive to cold, and examined the causes of coldness from these data. As a result, the blood flow rate of the hands and feet of people who are sensitive to cold decreased and the skin temperature decreased. The subjective feeling of warmth and coldness was that the hands and feet felt cold as the room temperature dropped. According to the above, when the body is subjected to cold stimulation, blood vessels in the skin of the hands and feet are contracted and the flow of skin blood is estimated to be decreasing. It is thought that this lowered the skin temperature of the hands and feet, leading to coldness in the area.

Academic Significance and Societal Importance of the Research Achievements

冷え症は手や足に強い冷えを感じる、女性に多い不定愁訴の1つである。女性の約半数は、冷え症であるとの報告がある一方、その原因やメカニズムは不明な点が多い。本研究では、冷え症の要因として、皮膚血流量の減少による皮膚温低下や、個人の主観的温冷感が考えられた。これらの結果は、冷え症に悩んでいる方に対するケアの開発や、冷え症のセルフチェック指標などに貢献でき、学術的・社会的意義は大きいと考えられる。

Report

(3 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report

URL: 

Published: 2019-09-03   Modified: 2022-01-27  

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