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Age dependency and correlation of heart rate variability, pressure variability and baroreflex sensitivity

Record type: Article

Simultaneous analysis of heart rate variability (HRV), blood pressure variability (BPV) and baroreflex sensitivity (BRS) with different types of measures may provide non-duplicative information about autonomic cardiovascular regulation. Therefore, a multiple signal analysis of cardiovascular time series will enhance the physiological understanding of neuro cardiovascular regulation with deconditioning in bedrest or related gravitational physiological studies. It has been shown that age is an important determinant of HRV and BRS in healthy subjects. Whereas in the case of BPV, the effect of aging seems to depend upon the activity status of the subjects. In view of the facts that most of the previous works were dealing with only the variability of one kind of cardiovascular parameters in one study with conventional time-domain and/or frequency-domain analysis, we therefore designed the present work to compare the HRV, BPV and BRS between young and middle-aged male healthy subjects in one study with the same subjects using various techniques, including the approximate entropy (ApEn) measurement, a statistic quantifying HRV "complexity" derived from non-linear dynamics.

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Citation

Wang, S.Y., Zhang, L.F., Wang, X.B. and Cheng, J.H. (2000) Age dependency and correlation of heart rate variability, pressure variability and baroreflex sensitivity Journal of Gravitational Physiology, 7, (2), pp. 145-146.

More information

Published date: 2000
Organisations: Human Sciences Group

Identifiers

Local EPrints ID: 46606
URI: http://eprints.soton.ac.uk/id/eprint/46606
ISSN: 1077-9248
PURE UUID: 717cc49c-9909-4d06-98af-5dbb03de8754

Catalogue record

Date deposited: 12 Jul 2007
Last modified: 17 Jul 2017 15:06

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Contributors

Author: S.Y. Wang
Author: L.F. Zhang
Author: X.B. Wang
Author: J.H. Cheng

University divisions


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