期刊
PARKINSONISM & RELATED DISORDERS
卷 15, 期 2, 页码 110-115出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.parkreldis.2008.03.010
关键词
Parkinson's disease; Falls; Attention
资金
- Healthcare Foundation
- National Health Service Research and Development Training Fellowship
- MRC [G0502157, G0400074] Funding Source: UKRI
- Medical Research Council [G0400074, G0502157] Funding Source: researchfish
Background: Cognitive deficits, in particular deficits of attention and executive function, may affect postural sway and balance in Parkinson's disease (PD). Our objective was to determine whether measures of attention were associated with falls in a large cohort of subjects with PD studied prospectively. Methods: Patients meeting UK PD Society Brain Bank Criteria were included. Assessment included UPDRS III and the Cognitive Drug Research computerised assessment battery (CDR) from which Power of Attention, Continuity of Attention, cognitive reaction time and reaction time variability were derived. Falls were assessed prospectively using monthly fall diaries returned over a year following baseline assessment. Results: One hundred and sixty four subjects completed fall diary datasets. One hundred and three (63%) fell one or more times during the 12 month period. Regression analysis revealed an association of fall frequency with poorer Power of Attention and increased reaction time variability, which was retained after correcting for UPDRS scores. Conclusions: Reduced power of attention and increased reaction time variability are associated with increased fall frequency in PD. This has implications for the identification of those most at risk of falling, and for the management and prevention of falls in this patient group. (C) 2008 Elsevier Ltd. All rights reserved.
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