Impact of leg heating on central hemodynamics in postmenopausal women

Keisei Kosaki; Jun Sugawara; Asako Zempo-Miyaki; Seiji Maeda

doi:10.1016/j.artres.2018.01.001

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Volume 21, Issue C, March 2018, Pages 53 - 57

Impact of leg heating on central hemodynamics in postmenopausal women

Authors

Keisei Kosaki^a, Jun Sugawara^b, Asako Zempo-Miyaki^c, Seiji Maeda^d^{, *}

^aGraduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

^bHuman Informatics Research Institute National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan

^cFaculty of Sport and Health Sciences, Ryutsu Keizai University, Ibaraki, Japan

^dFaculty of Health and Sport Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

^*Corresponding author. Faculty of Health and Sport Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8574, Japan. Fax: +81 29 853 2986. E-mail addresses: kuromaru0319@gmail.com (K. Kosaki), jun.sugawara@aist.go.jp (J. Sugawara), a.miyaki.velma08@gmail.com (A. Zempo-Miyaki), maeda.seiji.gn@u.tsukuba.ac.jp (S. Maeda).

Corresponding Author

Seiji Maeda

Received 12 October 2017, Revised 7 January 2018, Accepted 11 January 2018, Available Online 12 February 2018.

DOI: 10.1016/j.artres.2018.01.001 How to use a DOI?
Keywords: Central pressure augmentation; Wave reflection; Pulse wave velocity; Central-to-leg arterial stiffness gradient
Abstract: Background: The determinants responsible for increasing central pressure augmentation, a strong risk factor for cardiovascular disease, remain highly controversial. The aim of this study was to determine the contribution of the impedance mismatch between central and leg arteries on central pressure augmentation. Thus, we investigated whether central pressure augmentation is influenced by manipulation of central-to-leg arterial stiffness mismatch by an acute leg heating.

Methods: Nineteen postmenopausal women underwent the warmth stimulation on both lower legs (20 min of exposure to far infra-red radiation at 43–45 °C followed by retaining warmth by a blanket for 30 min). Central (aortic) hemodynamic measures were obtained from applanation tonometrically-radial arterial pressure waveforms via the validated general transfer function.

Results: The leg heating decreased only the leg pulse wave velocity. And thus, the central-to-leg arterial stiffness was changed from positive to negative; however, any central (aortic) hemodynamic measures including reflected wave amplitude, aortic blood pressure, and augmentation index, were not changed significantly.

Conclusions: Our results suggest that the acute bout of leg heating induces the less of central-to-leg arterial stiffness mismatch but not influence central pressure augmentation in postmenopausal women.
Open Access: This is an open access article distributed under the CC BY-NC license.

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Journal: Artery Research
Volume-Issue: 21 - C
Pages: 53 - 57
Publication Date: 2018/02/12
ISSN (Online): 1876-4401
ISSN (Print): 1872-9312
DOI: 10.1016/j.artres.2018.01.001 How to use a DOI?
Open Access: This is an open access article distributed under the CC BY-NC license.

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ris enw bib

TY  - JOUR
AU  - Keisei Kosaki
AU  - Jun Sugawara
AU  - Asako Zempo-Miyaki
AU  - Seiji Maeda
PY  - 2018
DA  - 2018/02/12
TI  - Impact of leg heating on central hemodynamics in postmenopausal women
JO  - Artery Research
SP  - 53
EP  - 57
VL  - 21
IS  - C
SN  - 1876-4401
UR  - https://doi.org/10.1016/j.artres.2018.01.001
DO  - 10.1016/j.artres.2018.01.001
ID  - Kosaki2018
ER  -

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