双重任务相关的步态模式作为帕金森病早期和亚临床认知变化的可能标志物
F Di Filippo1, G De Biasi1, M Russo2
1Department of Medicine, Surgery and Dentistry, Center for Neurodegenerative Diseases (CEMAND), University of Salerno, Fisciano, Italy.
Scientific reports
|January 27, 2025
概括
帕金森病 (PD) 患者的微妙步态变化与认知状态相关. 双任务步态分析揭示了不同的模式,可能作为疾病进展和亚型的早期标志物.
科学领域:
- 神经学 神经学
- 运动障碍 运动障碍
- 认知神经科学 认知神经科学
背景情况:
- 微妙的步态和认知功能障碍是帕金森病 (PD) 的早期,经常被忽视的表现.
- 这些早期变化可能成为疾病进展的关键表型和预后标志物.
- 在PD中区分不同的认知状态对于理解疾病异质性至关重要.
研究的目的:
- 为了比较帕金森病患者的三个认知群体的时空步行参数:认知完整 (PD-noCI),主观认知障碍 (PD-SCI) 和轻度认知障碍 (PD-MCI).
- 确定可能与认知状态相关的亚临床步态差异.
- 探索步态分析的实用性,特别是在双重任务条件下,作为PD亚型的潜在表型化工具.
主要方法:
- 100名帕金森病患者根据临床和神经心理学评估被分为PD-noCI,PD-SCI和PD-MCI组.
- 步态分析在三个条件下进行:正常步态,运动双任务和认知双任务.
- 抽取了时空步态变量,并使用ANOVA或Kruskal-Wallis测试进行统计分析,并进行后期分析来比较组.
主要成果:
- 在正常行走过程中,在PD-MCI和PD-noCI组之间观察到显著的步态差异.
- 在双重任务条件下,特别是认知双重任务下,所有组的步态变化都增加了.
- 在双重任务条件下,步态变化的程度与认知功能障碍水平直接相关 (PD-noCI < PD-SCI < PD-MCI).
结论:
- 步行模式,特别是在认知双重任务中引起的步行模式,可以反映帕金森病中认知障碍的程度.
- 这些步态变化可以作为主观认知障碍的客观标志物,并有助于预测临床演变和预后.
- 认知双任务步态分析为帕金森病的早期表型和亚型的早期表型和亚型提供了一个有希望的方法.
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