期刊
MOVEMENT DISORDERS
卷 29, 期 11, 页码 1351-1358出版社
WILEY-BLACKWELL
DOI: 10.1002/mds.26012
关键词
Chorea; motor impairment; driving; CAG repeat
资金
- National Institute of Neurological Disorders and Stroke HD Center [NS16375]
- Huntington's Disease Society of America Center of Excellence grant
The clinical syndrome of Huntington's disease (HD) is notable for a triad of motor, cognitive, and emotional features. All HD patients eventually become occupationally disabled; however, the factors that render HD patients unable to maintain employment have not been extensively studied. This review begins by discussing the clinical triad of HD, highlighting the distinction in the motor disorder between involuntary movements, such as chorea, and voluntary movement impairment, with the latter contributing more to functional disability. Cognitive disorder clearly contributes to disability, though the relative contribution compared to motor is difficult to unravel, especially because many of the tests used to asses cognition have a strong motor component. The role of emotional changes in disability needs more study. The literature on contributions to functional disability, driving impairment, and nursing home placement is reviewed. Relevant experience is presented from the long-standing JHU HD observational study on motor versus cognitive onset, as well as on cognitive and motor features at the time when individuals discontinued working. Finally, we briefly review government policies in several countries on disability determination. We interpret the data from our own studies and from the literature to indicate that there is usually a close relationship between cognitive and motor dysfunction, and that it is critical to take both into consideration in determining disability. (C) 2014 International Parkinson and Movement Disorder Society
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