在协同收缩过程中肌肉间的连贯性引起了作为 dystonia 和 GPi-DBS 疗效的生物标志物的任务
S A J E A Lagerweij1, J C van Zijl1, M Smit1
1Department of Neurology, University Medical Center Groningen (UMCG), University of Groningen, Hanzeplein 1, 9700 RB Groningen, the Netherlands; Expertise Center Movement Disorders Groningen, University Medical Center Groningen (UMCG), the Netherlands.
概括
肌肉间连贯性,这是对异常大脑活动的衡量标准,在深度大脑刺激 (DBS) 后减少. 这种神经生理学标志物显示出在 dystonia 患者中优化 DBS 治疗的潜力.
科学领域:
- 神经科学是一个神经科学.
- 生物医学工程 生物医学工程
- 临床神经学 临床神经学
背景情况:
- 抑郁症的临床评级尺度在捕捉症状严重程度方面存在局限性.
- 深度大脑刺激内部白色球体 (GPi-DBS) 是有效的 dystonia,但患者的反应有所不同.
- 肌肉间连贯性 (4-12 Hz) 与皮质 - 基底 - 甲状腺 - 甲状腺 - 皮质循环功能障碍有关.
研究的目的:
- 研究肌肉间连贯性作为 dystonia 的潜在生物标志物.
- 评估GPi-DBS对肌肉间连贯性的影响.
- 探索肌肉间连贯性与 dystonia 患者的临床结果之间的关系.
主要方法:
- 对12名经过GPi-DBS的 dystonia 患者进行了回顾性分析.
- 对抗手臂肌肉的电肌图 (EMG) 测量DBS前后4-12Hz肌肉间连贯度.
- 与手臂 dystonia 和没有手臂 dystonia 患者之间的一致性比较,以及与临床尺度的相关性.
主要成果:
- 手术前的肌肉间连贯性在手臂 dystonia 的患者中较高.
- 在GPi-DBS后一年,在手臂 dystonia 组中观察到肌肉间连贯性显著下降.
- 在肌肉间连贯性和临床评分尺度之间没有发现强烈的相关性.
结论:
- 肌肉间连贯性存在于 dystonic 肌肉中,并且由 GPi-DBS 减少.
- 肌肉间连贯性可以作为 dystonia 和 GPi-DBS 有效性的客观生物标志物.
- 需要进行更大规模的研究来验证肌肉间连贯性对GPi-DBS患者选择和治疗优化的临床实用性.
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