脑下协调重置深度大脑刺激对帕金森症步态的影响
Kai M Bosley1, Ziling Luo1, Sana Amoozegar1
1Department of Neurology, University of Minnesota, Minneapolis, MN, United States.
Frontiers in neuroinformatics
|September 11, 2023
概括
协调重置深度大脑刺激 (CR DBS) 显示出改善帕金森病步态和运动症状的前景. 仔细选择刺激参数是最大限度地提高CR DBS的治疗转移效应的关键.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 生物医学工程 生物医学工程
背景情况:
- 帕金森病 (PD) 显著影响步态,增加跌倒风险和降低生活质量.
- 协调重置深度大脑刺激 (CR DBS) 是一种使用低级突发刺激的新方法.
- 虽然CR DBS显示了对PD运动症状的治疗性转移效应,但其对步态的影响需要进一步调查.
研究的目的:
- 探索下核 (STN) CR DBS对非人类灵长类动物 (NHPs) 帕金森症步态的传递效应.
主要方法:
- 三名帕金森症患者每天接受STN CR DBS治疗,每天为数小时,持续5天.
- 用修改的统一帕金森病评级表 (mUPDRS) 监测运动症状的转载效应.
- 步行参数,包括步伐长度和摇摆速度,在刺激前后进行了定量评估.
主要成果:
- 所有NHP都显示了CR DBS后的刚性,勃拉迪基尼西亚和阿基尼西亚的转移改善.
- 所有动物都表现出更快的摇摆速度;然而,只有一个NHP (B2) 显示出更好的步伐长度.
- 在使用两个不同的爆发频率时,在NHP B2中观察到对mUPDRS得分和步态的差异影响.
结论:
- 初步发现表明,STN CR DBS可以通过适当的参数选择来增强帕金森症的步态和运动功能.
- 这项研究支持CR DBS作为帕金森病潜在治疗方法的持续发展.
- 优化刺激参数对于CR DBS的临床疗效至关重要.
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