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首页> 外文期刊>European journal of pain : >Effects of sub-perception threshold spinal cord stimulation in neuropathic pain: a randomized controlled double-blind crossover study.
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Effects of sub-perception threshold spinal cord stimulation in neuropathic pain: a randomized controlled double-blind crossover study.

机译:知觉阈阈值脊髓刺激在神经性疼痛中的作用:一项随机对照双盲交叉研究。

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摘要

Recent studies suggest that perception of the paraesthesia elicited by spinal cord stimulation (SCS) is not necessarily required for the pain relieving effect.The purpose of the study was to determine the effect of sub-perception threshold SCS in patients with neuropathic pain.Ten patients with implanted SCS systems underwent continuous sub-threshold stimulation and no stimulation in a blinded randomized crossover design. Pain scores under these treatment modalities were compared with usual supra-threshold stimulation.Sub-threshold stimulation elicited significantly lower pain relief than supra-perception threshold SCS. Mean pain scores were 3.6 [max 6.3, min 1.9, standard deviation (SD) 1.3] under supra-threshold stimulation, 5.6 (max 9.0, min 2.4, SD 1.9) under sub-threshold stimulation and 6.4 (max 10.0, min 4.0, SD 2.0) without stimulation.Sub-threshold stimulation under otherwise conventional stimulation parameters has a measurable but not clinically sufficient effect. Thus, the pain relieving effect elicited by SCS is not necessarily linked to the perceptibility of stimulation but may instead be attributed to the intensity of the electric field.
机译:最近的研究表明,缓解疼痛效果并不一定需要对脊髓刺激(SCS)引起的感觉异常进行感知。研究的目的是确定亚感觉阈阈值SCS在神经性疼痛患者中的作用。植入的SCS系统的患者在连续随机亚阈值设计中经历了连续的亚阈值刺激,而没有刺激。将这些治疗方式下的疼痛评分与常规的超阈值刺激进行比较。亚阈值刺激的疼痛缓解明显低于超感知阈值SCS。在超阈值刺激下的平均疼痛评分为3.6 [最大6.3,最小1.9,标准偏差(SD)1.3],在次阈值刺激下的平均疼痛评分为5.6(最大9.0,最小2.4,SD 1.9)和6.4(最大10.0,最小4.0, SD 2.0),无需刺激。在其他常规刺激参数下,亚阈值刺激具有可测量但临床上不足的效果。因此,由SCS引起的疼痛缓解作用不一定与刺激的可感知性有关,而是可以归因于电场强度。

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