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KMID : 1020120040020020013
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Journal of the Korean Academy of Clinical Electrophysiology
2004 Volume.2 No. 2 p.13 ~ p.23
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Effect of Percutaneous Electrical Nerve Stimulation on the Spinal Neuron Excitability in STZ-induced Diabetic Rats
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Kim Yang-Ho
Jung Jin-Gyu
Kim Tae-Youl
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Abstract
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This study aimed at examining the effects of percutaneous electrical nerve stimulation(PENS) applied to different parts of the streptozotocin(STZ) induced diabetic rats on the change of glucose level and spinal neuron excitability. A total of twenty-eight SD rats, divided into four groups, were used as experiment animal. Experiment group I, the normal control group, was composed of normal rats without diabetes induction. Experiment group was composed II of the rats without any treatment after experimental diabetes induction. Experiment group III was composed of the rats with 2 Hz and of PENS to the acupuncture points related with diabetes for 20 minutes after diabetes induction. Experiment group IV was composed of the rats with 2 Hz and of PENS to the parts unrelated with diabetes for 20 minutes after diabetes induction. The results can be summarized as follow: As for glucose level, the group I showed no change within normal range, and the group III showed significant increase, compared with other groups (p<0.05). As for the change of H latency, M and H amplitude, the group III showed significant differences in decrease of latency and amplitude (p<0.05). As for Hmax/Mmax ratio, the normal and other groups showed no significant differences in decrease of amplitude. It can be concluded from the above results that PENS to the acupuncture points of the STZ-induced diabetic rats was effective for spinal neurone excitability, in particular, for those of the group with PENS to the acupuncture points. This study was conducted in the period of acute diabetes induction, and therefore, further study should be conducted in the period of chronic diabetes to research both acute and chronic diabetes.
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KEYWORD
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PENS(percutaneous electrical nerve stimulation), diabetic neuropathy
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