脊椎棘突起誘導による誘発脊髄電位の実験的研究及び脊髄損傷患者への臨床応用

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1) The spinal evoked potentials (S.E.P.) obtained from the spinous processes are very much similar with the potential which are obtained from the epidural space. 2) The initial negative deflection corresponding to the action potentials of the dorsolateral tracts of spinal cord, and the second to those of the dorsal tracts was confirmed by the animal experiments. 3) The relationship between intensity and duration of the cord distraction trauma was explored in cats. The etiology of cord damage by distraction is probably due to ischemia. 4) In one patient who had an incomplete spinal cord injury, the S.E.P. has disappeared during correction of the kyphoscoliosis with a Harrington Distraction Rod, however with the partial release of distraction, it recovered immediately. In another patient with supposedly complete injury at C_5 level incompleteness was actually proved with the examination of the spinal evoked potentials. In two incomplete cord injuries at C_4 and C_6 injuries respectively, a nearly normal S.E.P. was recorded. In the case of complete quadriplegic patients, the S.E.P. was not recorded at all the level above lesion. 5) As the results of our study, we are certain that the S.E.P. which is obtained from K-wire inserted into the spinous processes can be safely and easily used for the examination of spinal cord function in various clinical situation. The gained data was also highly reliable.
社団法人日本リハビリテーション医学会の論文
1980-06-18

脊椎棘突起誘導による誘発脊髄電位の実験的研究及び脊髄損傷患者への臨床応用

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