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本研究目的在于①建立一个相对简单和可重复的技术测量下肢L_5和S_1皮肤节段的交感皮肤反应(SSR);②确定SSR幅度和潜伏期左右不对称的正常范围;③使用此技术时确定SSR的基本波型;④确定刺激左右臂诱发反应时下肢SSR对称性是否存在差异;⑤在EMG上证实L_s或S_1神经根病患者的皮肤节段评定SSR有否异常。
The purpose of this study was to establish a relatively simple and repeatable technique to measure the sympathetic skin reaction (SSR) of the lower extremity L_5 and S_1 skin segments, to determine the normal range of SSR amplitude and latency asymmetry, to determine SSR ④ determine the SSR symmetry of lower extremity induced by stimulation of left and right arms is there any difference? ⑤ confirmed in the EMG L_s or S_1 radiculopathy in the skin segment to assess whether there is abnormal SSR.