期刊论文详细信息
BMC Geriatrics
Executive function predicts risk of falls in older adults without balance impairment
Research Article
Diane B Howieson1  Teresa J Buracchio2  Jeffrey A Kaye3  Nora C Mattek4  Hiroko H Dodge4  Tamara L Hayes5  Misha Pavel5 
[1] Department of Neurology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, CR-13197239, Portland, OR, USA;Department of Neurology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, CR-13197239, Portland, OR, USA;Neurology Service, Portland Veterans Affairs Medical Center, 3710 SW U.S. Veterans Hospital Road, 97239, Portland, OR, USA;Department of Neurology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, CR-13197239, Portland, OR, USA;Neurology Service, Portland Veterans Affairs Medical Center, 3710 SW U.S. Veterans Hospital Road, 97239, Portland, OR, USA;Oregon Center for Aging & Technology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, 97239, Portland, OR, USA;Department of Neurology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, CR-13197239, Portland, OR, USA;Oregon Center for Aging & Technology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, 97239, Portland, OR, USA;Oregon Center for Aging & Technology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, 97239, Portland, OR, USA;Department of Biomedical Engineering, Oregon Health & Science University, 3303 SW Bond Avenue, 97239, Portland, OR, USA;
关键词: Executive Function;    Fall Risk;    Fall Prevention;    Executive Dysfunction;    Balance Impairment;   
DOI  :  10.1186/1471-2318-11-74
 received in 2011-05-04, accepted in 2011-11-09,  发布年份 2011
来源: Springer
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【 摘 要 】

BackgroundExecutive dysfunction has previously been found to be a risk factor for falls. The aim of this study is to investigate the association between executive dysfunction and risk of falling and to determine if this association is independent of balance.MethodsParticipants were 188 community-dwelling individuals aged 65 and older. All participants underwent baseline and annual evaluations with review of health history, standardized neurologic examination, neuropsychological testing, and qualitative and quantitative assessment of motor function. Falls were recorded prospectively using weekly online health forms.ResultsDuring 13 months of follow-up, there were 65 of 188 participants (34.6%) who reported at least one fall. Univariate analysis showed that fallers were more likely to have lower baseline scores in executive function than non-fallers (p = 0.03). Among participants without balance impairment we found that higher executive function z-scores were associated with lower fall counts (p = 0.03) after adjustment for age, sex, health status and prior history of falls using negative binomial regression models. This relationship was not present among participants with poor balance.ConclusionsLower scores on executive function tests are a risk factor for falls in participants with minimal balance impairment. However, this effect is attenuated in individuals with poor balance where physical or more direct motor systems factors may play a greater role in fall risk.

【 授权许可】

CC BY   
© Buracchio et al; licensee BioMed Central Ltd. 2011

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