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Curr Alzheimer Res. 2018 Jan 23;15(3):273-282. doi: 10.2174/1567205014666170725125621.

Spatiotemporal Gait Characteristics Associated with Cognitive Impairment: A Multicenter Cross-Sectional Study, the Intercontinental "Gait, cOgnitiOn & Decline" Initiative.

Author information

1
Department of Medicine, Division of Geriatric Medicine, Sir Mortimer B. Davis - Jewish General Hospital and Lady Davis Institute for Medical Research, McGill University, Montreal, Quebec, Canada.
2
Dr. Joseph Kaufmann Chair in Geriatric Medicine, Faculty of Medicine, McGill University, Montreal, Quebec, Canada.
3
BIOMATHICS, Paris, France.
4
Department of Neurology, Division of Cognitive & Motor Aging, Albert Einstein College of Medicine, Yeshiva University, Bronx, New York, USA.
5
Menzies Institute of Medical Research, University of Tasmania (M.L.C.), Tasmania, Australia.
6
Stroke and Ageing Research Group, Department of Medicine, Southern Clinical School, Monash University, Victoria, Australia.
7
Department of Geriatrics and Department of Primary and Interdisciplinary Care, AZ ST Maarten Mechelen, Belgium.
8
Basel University and University Center for Medicine of Aging (R.W.K.), Felix Platter Hospital, Basel, Switzerland.
9
Centre for Memory and Mobility (CeM²), Luxembourg-city, Luxembourg.
10
Department of Neurology, Geneva University Hospital and University of Geneva, Geneva, Switzerland.

Abstract

BACKGROUND:

The study aims to determine the spatiotemporal gait parameters and/or their combination(s) that best differentiate between cognitively healthy individuals (CHI), patients with mild cognitive impairment (MCI) and those with mild and moderate dementia, regardless of the etiology of cognitive impairment.

METHODS:

A total of 2099 participants (1015 CHI, 478 patients with MCI, 331 patients with mild dementia and 275 with moderate dementia) were selected from the intercontinental "Gait, cOgnitiOn & Decline" (GOOD) initiative, which merged different databases from seven cross-sectional studies. Mean values and coefficients of variation (CoV) of spatiotemporal gait parameters were recorded during usual walking with the GAITRite® system.

RESULTS:

The severity of cognitive impairment was associated with worse performance on all gait parameters. Stride velocity had the strongest association with cognitive impairment, regardless of cognitive status. High mean value and CoV of stride length characterized moderate dementia, whereas increased CoV of stride time was specific to MCI status.

CONCLUSION:

The findings support the existence of specific cognitive impairment-related gait disturbances with differences related to stages of cognitive impairment, which may be used to screen individuals with cognitive impairment.

KEYWORDS:

Alzheimer's disease.; Epidemiology; cognitive disorders; gait assessment; gait disorders; motor control

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