Age-related circulatory responses to whole body cooling: observations by ballistocardiographic EMFi sensors
Author
Summary, in English
In both persons, the ankle pulse amplitude decreased when propagating to cold direction and increased in young person when returning to warmer ambient temperature. With young and old BCG:s systolic and diastolic temporal complexes remained stable, but systolic amplitudes increased in the older person (AHI 1.02 – 2.87, AIJ 0.7 – 2.66) as well as diastolic amplitudes (old; AKL 0.47 – 2.37). In the older person, PWV increased when moving to colder side. BP increased with a young person (from 95/64 to 132/75 mmHg), and with older person (from 125/68 to 176/101 mmHg) having a prominent rise in diastolic values during the cooling. The neck pulse wave amplitude AOP rise was modest with the younger person and had variation with the older person. Older person had also more intensive shivering compared to younger one. With the older person, the limbs stayed cold in thermal images when returning from cold to thermoneutral area. The present preliminary observations indicated clear age-related differences in the circulatory response to a mild whole-body thermal challenge.
Department/s
Publishing year
2014
Language
English
Publication/Series
Proceedings of Ambience, Scientific Conference for Smart Textiles
Volume
1
Full text
- Available as PDF - 366 kB
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Document type
Conference paper
Publisher
Tampere University of Technology
Topic
- Production Engineering, Human Work Science and Ergonomics
Keywords
- EMFi
- BCG
- thermoneutral area
- thermal balance
Conference name
Ambience14 & 10I3M, Scientific conference for Smart and functional textiles, Well-Being, Thermal comfort in clothing, Design, Thermal Manikins and Modelling
Conference date
2014-09-07 - 2014-09-09
Conference place
Tampere Hall, Tampere, Finland
Status
Published
Research group
- Thermal Environment Laboratory
ISBN/ISSN/Other
- ISSN: 2342-4540
- ISBN: 978-952-15-3269-6