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Lookup NU author(s): Dr Susan Lord, Professor Lynn RochesterORCiD
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Objectives: Our objective is to report prevalence of motoric cognitive risk syndrome (MCR), a newly described predementia syndrome characterized by slow gait and cognitive complaints, in multiple countries, and its association with dementia risk.Methods: Pooled MCR prevalence analysis of individual data from 26,802 adults without dementia and disability aged 60 years and older from 22 cohorts from 17 countries. We also examined risk of incident cognitive impairment (Mini-Mental State Examination decline >= 4 points) and dementia associated with MCR in 4,812 individuals without dementia with baseline Mini-Mental State Examination scores >= 25 from 4 prospective cohort studies using Cox models adjusted for potential confounders.Results: At baseline, 2,808 of the 26,802 participants met MCR criteria. Pooled MCR prevalence was 9.7% (95% confidence interval [CI] 8.2%-11.2%). MCR prevalence was higher with older age but there were no sex differences. MCR predicted risk of developing incident cognitive impairment in the pooled sample (adjusted hazard ratio [aHR] 2.0, 95% CI 1.7-2.4); aHRs were 1.5 to 2.7 in the individual cohorts. MCR also predicted dementia in the pooled sample (aHR 1.9, 95% CI 1.5-2.3). The results persisted even after excluding participants with possible cognitive impairment, accounting for early dementia, and diagnostic overlap with other predementia syndromes.Conclusion: MCR is common in older adults, and is a strong and early risk factor for cognitive decline. This clinical approach can be easily applied to identify high-risk seniors in a wide variety of settings.
Author(s): Verghese J, Annweiler C, Ayers E, Barzilai N, Beauchet O, Bennett DA, Bridenbaugh SA, Buchman AS, Callisaya ML, Camicioli R, Capistrant B, Chatterji S, De Cock AM, Ferrucci L, Giladi N, Guralnik JM, Hausdorff JM, Holtzer R, Kim KW, Kowal P, Kressig RW, Lim JY, Lord S, Meguro K, Montero-Odasso M, Muir-Hunter SW, Noone ML, Rochester L, Srikanth V, Wang CL
Publication type: Article
Publication status: Published
Journal: Neurology
Year: 2014
Volume: 83
Issue: 8
Pages: 718-726
Print publication date: 01/08/2014
Online publication date: 16/07/2014
Acceptance date: 12/05/2014
ISSN (print): 0028-3878
ISSN (electronic): 1526-632X
Publisher: Lippincott Williams & Wilkins
URL: http://dx.doi.org/10.1212/WNL.0000000000000717
DOI: 10.1212/WNL.0000000000000717
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