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Lower lumbar nerve root evoked potential study of experimental

. When k. spinal nerve root cut off, thousands of peroneal nerve stimulation. upload impulse affected, so the cortical evoked potential significantly different Portugal. tibial nerve also by L The main spinal nerve, therefore, posterior tibial nerve stimulation upload dry impulse will not k. Cut off the nerve root compression or affected by,[link widoczny dla zalogowanych], the cortical evoked potential remained normal. ~ A 'one hundred and eleven Ji r ... '460 second,[link widoczny dla zalogowanych], lower lumbar spinal nerve root stimulation RootSEP determination of significance for this experiment, 1e or Ln artificially a single spinal nerve root compression, the distal nerve root stimulation Root-SEP have clear changes show; latency, amplitude decreased by 1 when the surface of the spinal nerve root cut off, the Root-SEP completely disappear. Because the lesions in the distal root stimulation. The nerve impulse conduction can not be up as the posterior tibial or peroneal nerve stimulation, as dry, impulse is not impaired by other upward conduction of nerve root; pressure distal nerve stimulation reported Kun move can not be successfully conducted at the site of injury (root pressure) or complete: through (nerve root cut off), so the Root-SEP change is very obvious. Seen. Love nerve root damage in judging the situation. Peripheral nerve stimulation evoked dry only in the neural stem form a single nerve root makes sense only: the vast majority of lumbar disc herniation is only one nerve root compression, in order to stimulate the composition of a number of common peroneal nerve root or the posterior tibial Neural stem evoked potentials recorded measured to reflect the situation of the nerve root compression. Which is obviously inaccurate inference. Clinically, if accurate, individually stimulate the distal nerve root lesions, such as L Upload function of nerve root damage. Therefore,[link widoczny dla zalogowanych], determination of such a lesion on the nerve root infiltration from the off and position of clinical significance, but also for somatosensory evoked potential clinical applications of new screening method. Third,[link widoczny dla zalogowanych], the spinal evoked potential break in the permeability view of the significance of disc herniation arguments mentioned above, the literature on the evoked potential measurement in the diagnosis of lumbar disc herniation, location-based applications. So far there are two schools almost entirely the opposite point of view. from the experiments show that stimulation of peripheral nerve stem evoked potentials in the diagnosis of lumbar disc herniation is not. The reason is routine clinical application of the common peroneal or posterior tibial nerve stimulation method dry. And the two nerves is L ~ s total of five nerve roots form the vast majority of lumbar disc H is a herniation of nerve root compression, a few are two nerve root compression, so the evoked potential changed little. This and similar views Yaung and Aminoff. The group's data also shows the lower lumbar radiculopathy loss of the distal stimulus. the Root-SEP will be significantly abnormal result, such as clinically accurate, individually stimulate the distal nerve root compression, the Root-SEP determine the diagnosis of lumbar disc herniation and location will be important value.

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