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脊髓刺激值的姿势变化:电流和电压来源

Richard B North1, Jung H Sung2, Liam A Matthews3

  • 1Neuromodulation Foundation, Inc, Baltimore, MD; Departments of Neurosurgery, Anesthesiology and Critical Care Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD.

Neuromodulation : journal of the International Neuromodulation Society
|October 7, 2023
PubMed
概括

脊髓刺激 (SCS) 值随着身体的位置而变化,特别是对于恒流设备. 姿势变化增加了刺激水平,可能导致不适,影响SCS设备管理.

关键词:
慢性疼痛是一种慢性疼痛.电刺激是一种电刺激.通过神经调节进行神经调节.神经病变性疼痛是一种神经性疼痛.脊髓刺激 脊髓刺激

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科学领域:

  • 神经调节是一种神经调节.
  • 生物医学工程 生物医学工程
  • 疼痛管理 疼痛管理

背景情况:

  • 脊髓刺激 (SCS) 的值因患者的姿势而异.
  • 对传统和新的SCS技术来说,对这些变化的描述至关重要.
  • 了解姿势诱导的值变化,可以为SCS设备的优化提供信息.

研究的目的:

  • 为了量化心理物理值,由于身体位置而导致SCS的变化.
  • 为了比较恒压和恒流SCS发电机之间的这些变化.
  • 评估姿势对刺激引起的不适的影响.

主要方法:

  • 评估了149名使用临时SCS电极的患者.
  • 感知,使用和不适的门在四个身体姿势中被测量.
  • 分析了119个恒压和30个恒流刺激器的数据.

主要成果:

  • 从仰卧到直立的位置增加了22-34% (常电压) 和44-82% (常电流) 的门.
  • 恒流刺激剂导致超过不适值的情况显著增加 (87%与63%相比).
  • 姿势诱导的值变化在恒流器件中更为明显.

结论:

  • 姿势显著改变SCS值,在恒流系统中影响更大.
  • 升的值和直立位置的不适对SCS编程有临床影响.
  • 这些发现支持脊髓定位和神经招募的成像和建模研究.