期刊
ARCHIVES OF CLINICAL NEUROPSYCHOLOGY
卷 36, 期 1, 页码 74-86出版社
OXFORD UNIV PRESS
DOI: 10.1093/arclin/acaa038
关键词
Huntington's disease; Unified Huntington's Disease Rating Scale; Diagnostic accuracy; Neuropsychological test battery; Cognitive impairment
资金
- Czech Science Foundation [16-01781S, 19-01747S]
- Ministry of Health of the Czech Republic [AZV-NU20-04-0136]
- Joint Programme Neurodegenerative Disease Research (JPND) [8F19004]
- CharlesUniversity [PROGRES Q27/LF1]
The study showed that the cognitive battery is an accurate tool for assessing cognitive impairment in HD patients, with cognitive deficits worsening as the disease progresses and correlating with motor, functional impairment, and Disease Burden Score.
Objective: Cognitive decline is a key characteristic of Huntington's disease (HD). This study aimed to investigate the diagnostic accuracy of a cognitive battery with six tests used by most HD research centers to assess cognitive impairment in HD. Method: In total, 106 HD patients in different disease stages with more (HD-CD, N = 30) and less cognitive impairments (HD-NC, N = 70) and 100 healthy controls (NC) were matched by age, sex, and education and were examined using a standardized protocol including cognitive, motor, and functional assessments. Results: One-way between-groups analysis of variance showed that controls performed significantly better than HD patients and that HD-NC significantly outperformed HD-CD patients in all cognitive tests (NC > HD-NC > HD-CD), with all Games-Howell post-hoc tests p < .001. Analyses using area under the receiver-operating characteristic curve (AUC) disclosed the diagnostic accuracy of all tests included in the battery to discriminate between NC and HD patients with AUC ranging from 0.809 to 0.862 (all p < .001) and between HD-CD and HD-NC patients with AUC ranging from 0.833 to 0.899 (all p < .001). In both analysis, Stroop Color Naming Test showed the highest discriminative potential. Additional analyses showed that cognitive deficits in all domains progressed with disease duration. Moreover, cognitive performance correlated with the severity of motor and functional impairment (all p < .001) and with the Disease Burden Score regardless of disease duration and age. Conclusion: Our results indicate that the cognitive battery is a suitable tool for assessing cognitive impairment in HD.
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