Reliability of arterial stiffness indices at rest and following a single bout of moderate-intensity exercise in older adults

Perissiou, Maria, Bailey, Tom G., Windsor, Mark, Leicht, Anthony S., Golledge, Jonathan, and Askew, Christopher D. (2018) Reliability of arterial stiffness indices at rest and following a single bout of moderate-intensity exercise in older adults. Clinical Physiology and Functional Imaging. (In Press)

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View at Publisher Website: https://doi.org/10.1111/cpf.12537
 
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Abstract

The interaction of plasmas with liquids requires an understanding of charged particle transport in both the gaseous and liquid phases. In this study we present a generalized fluid-equation framework to describe bulk electron transport in both gaseous and non-polar liquid environments under non-hydrodynamic non-equilibrium conditions. The framework includes liquid structural effects through appropriate inclusion of coherent scattering effects and adaption of swarm data to account for the modification to the scattering environment present in such systems. In the limit of low-densities it reduces to the traditional gas-phase fluid-equation model. Using a higher-order fluid model (four moments), it is shown that by applying steady state electron swarm data in both the gaseous and liquid phases, to close the system of equations and evaluate collisional rates, an improvement in macroscopic electron transport results over popular existing assumptions used. The failure of the local mean energy approximation in fluid models to accurately describe complex spatial oscillatory structures in both the gaseous and liquid phases is discussed in terms of the spatial variation of the electron distribution function itself.

Item ID: 56032
Item Type: Article (Research - C1)
ISSN: 1475-097X
Keywords: ageing; augmentation index; blood pressure; cardiovascular risk; pulse wave velocity; reflection magnitude
Copyright Information: Copyright © 2018 Scandinavian Society of Clinical Physiology and Nuclear Medicine.
Funders: National Health and Medical Research Council (NHMRC)
Projects and Grants: NHMRC 1000967, NHMRC 1022752, NHMRC 1079369, NHMRC 1117061
Date Deposited: 05 Nov 2018 23:36
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1106 Human Movement and Sports Science > 110602 Exercise Physiology @ 100%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920408 Health Status (e.g. Indicators of Well-Being) @ 100%
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