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Open AccessArticle

Effects of Postprandial Blood Pressure on Gait Parameters in Older People

1
Aged and Extended Care Services, The Queen Elizabeth Hospital, Woodville, South Australia 5011, Australia
2
Adelaide Geriatrics Training and Research with Aged Care (G-TRAC) Centre, School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia
3
School of Health Sciences, University of South Australia, Adelaide, South Australia 5000, Australia
*
Author to whom correspondence should be addressed.
Nutrients 2016, 8(4), 219; https://doi.org/10.3390/nu8040219
Received: 21 January 2016 / Revised: 1 April 2016 / Accepted: 8 April 2016 / Published: 13 April 2016
(This article belongs to the Special Issue Nutrition for Older People)
Postprandial hypotension (PPH), a fall in systolic blood pressure (SBP) within 2 h of a meal, may detrimentally affect gait parameters and increase the falls risk in older people. We aimed to determine the effects of postprandial SBP on heart rate (HR), gait speed, and stride length, double-support time and swing time variability in older subjects with and without PPH. Twenty-nine subjects were studied on three days: glucose (“G”), water and walk (“WW”), glucose and walk (“GW”). Subjects consumed a glucose drink on “G” and “GW” and water on “WW”. The “G” day determined which subjects had PPH. On “WW” and “GW” gait was analyzed. Sixteen subjects demonstrated PPH. In this group, there were significant changes in gait speed (p = 0.040) on “WW” and double-support time variability (p = 0.027) on “GW”. The area under the curve for the change in gait parameters from baseline was not significant on any study day. Among subjects without PPH, SBP increased on “WW” (p < 0.005) and all gait parameters remained unchanged on all study days. These findings suggest that by changing gait parameters, PPH may contribute to an increased falls risk in the older person with PPH. View Full-Text
Keywords: glucose; postprandial hypotension; older; elderly; aging; gait; blood pressure; walk glucose; postprandial hypotension; older; elderly; aging; gait; blood pressure; walk
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Nair, S.; Visvanathan, R.; Piscitelli, D. Effects of Postprandial Blood Pressure on Gait Parameters in Older People. Nutrients 2016, 8, 219.

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