NDLI: P2.25 The Effect of Muscularity and Handedness on Radial Arterial Pulse Wave Velocity in Healthy Volunteers

Content Provider	Springer Nature : BioMed Central
Author	Kumar, A. Ray, P. S. T. Morissey, D. Twycross-Lewis, R. Greenwald, S. E.
Abstract	Introduction Despite current interest in conduit artery stiffness, no in-vivo studies have reported its relationship to surrounding muscle and the possible effects of tethering. We investigated the effect of musculature and handedness on radial artery pulse wave velocity (raPWV) in each arm to test three hypotheses. Is there: 1) a difference in raPWV between the dominant and non-dominant arm? 2) an association between arm muscularity and raPWV? and 3) a difference in raPWV between left and right handers? Methods Handedness was assessed by questionnaire and examination of signatures in 54 healthy volunteers (18–40yr; 22 left-handed, male/female 12/10; 32 right-handed, male/female 17/15). Muscularity was defined by arm circumference measurements. raPWV was measured between the distal end of the brachial artery (8MHz Huntleigh Doppler) and the tip of the ring finger (Nelcor clip-on pulse-oximetry sensor). Data were sampled for 30s at 1kHz and analysed off-line. Results 1)There was no significant difference between dominant and non-dominant raPWV (paired t-test) and no sex differences in either arm. 2) There was no statistically significant correlation between raPWV and arm musculature. 3)Left handed individuals had higher raPWV than right handers, figure below. (unpaired t-test; both limbs PWV p<0.0001, dominant only p<0.015, non-dominant p<0.001). Summary and Conclusions Results failed to support hypotheses 1 and 2, although differences in muscularity between the two arms were small. Intriguingly, for reasons unknown, left handers had stiffer arms than right handers. In future we will measure PWV at other sites and include racquet sport players with greater muscular disparity between each arm.
Related Links	https://arteryresearch.biomedcentral.com/counter/pdf/10.1016/j.artres.2012.09.106.pdf
Ending Page	171
Page Count	2
Starting Page	170
File Format	HTM / HTML
ISSN	18764401
DOI	10.1016/j.artres.2012.09.106
Journal	Artery Research
Issue Number	4
Volume Number	6
Language	English
Publisher	BioMed Central
Publisher Date	2012-11-17
Access Restriction	Open
Subject Keyword	Medicine Public Health Medicine/Public Health
Content Type	Text
Resource Type	Synopsis
Subject	Physiology (medical) Physiology
Journal Impact Factor	0.9/2023
5-Year Journal Impact Factor	0.7/2023

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P2.25 The Effect of Muscularity and Handedness on Radial Arterial Pulse Wave Velocity in Healthy Volunteers

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P2.25 The Effect of Muscularity and Handedness on Radial Arterial Pulse Wave Velocity in Healthy Volunteers