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相关概念视频

Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...

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脑皮层神经塑性变化中风后使用双头直流刺激:前性非随机研究

Ashu Bhasin1, Gulafshan Iqbal1, Rahul Sharma1

  • 1Neurology, All India Institute of Medical Sciences, New Delhi, IND.

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概括

超直流刺激 (tDCS) 是对中风幸存者的安全可行的神经康复技术. 虽然它在改善手部功能和运动皮层活动方面表现出一些希望,但与假刺激相比,它没有显著的有效性.

关键词:
功能性磁力共振 (fmri)神经元的可塑性和修复物理治疗管理在中风后恢复跨直流刺激 (tdcs)

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科学领域:

  • 神经科学
  • 康复医学
  • 医疗器械

背景情况:

  • 超直流刺激 (tDCS) 在中风后的恢复中被认为具有神经康复的潜力.
  • 与中风相关的运动缺陷,特别是手部功能, 显著影响患者的生活质量.

研究的目的:

  • 评估双脑tDCS在慢性中风患者中增强手部功能方面的安全性,可行性和潜在有效性.
  • 将真实tDCS (r-tDCS) 与虚假tDCS (s-tDCS) 结合物理治疗的结果进行比较.

主要方法:

  • 一个前性,非随机的受控研究,涉及两个组:真实的tDCS和假的tDCS.
  • 参与者接受了20分钟的tDCS课程,同时接受了四周的物理治疗.
  • 结果包括Fugl- Meyer评估 (FMA),行动研究手臂测试 (ARAT),修改的巴特尔指数 (mBI),布伦斯特罗姆阶段和功能磁共振成像 (fMRI),在基线,4周和3个月评估.

主要成果:

  • 招募了95名参与者,没有报告的副作用,这表明安全性和合规性良好.
  • 实体tDCS组与假药组相比,在三个月后观察到FMA和mBI的显著改善.
  • 功能性磁共振成像显示,在实体tDCS组中,前运动和初级运动皮层激活的程度略有增加 (BA4和BA6).

结论:

  • 双脑tDCS是一种安全且可行的中风康复辅助疗法.
  • 虽然tDCS在所有测量方法中没有达到统计学意义上的有效性,但它显示了改善手部功能和运动皮层激活的潜力.
  • 需要使用更大的样本和优化的方案进行进一步的研究,以充分阐明tDCS在中风恢复中的治疗潜力.