Gait impairment and falls in cognitively impaired older adults: an explanatory model of sensorimotor and neuropsychological mediators

Age and Ageing
Morag E TaylorJacqueline C T Close

Abstract

to explore the associations between spatiotemporal gait parameters and falls in cognitively impaired older people and to investigate whether sensorimotor and neuropsychological factors mediate the association between gait performance and falls. prospective cohort study with a 1 year follow-up. community-dwelling sample. sixty-four participants (62-96 years of age) with cognitive impairment. gait analysis and sensorimotor and neuropsychological functions were assessed in all participants. Falls were identified prospectively for 1 year. multiple fallers (≥2 falls) had significantly slower gait velocity, shorter stride length, greater double support time and increased step length variability in univariate analyses. Multivariate logistic regression indicated that the relationship between gait and falls was mediated primarily by sensorimotor function and to a lesser extent by neuropsychological performance. the findings indicate that slow and variable gait patterns increase the risk of falls in cognitively impaired older adults. Further, the association between gait and falls seems to be mediated in large by reduced sensorimotor functioning. Further research is needed to investigate whether interventions aimed at improving gait and/...Continue Reading

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May 8, 2014·Aging Clinical and Experimental Research·Jean-Paul Steinmetz, Carine Federspiel
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