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KMID : 0357220060180040019
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Journal of Korean Society Physical Therapy
2006 Volume.18 No. 4 p.19 ~ p.26
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Improvement of PENS on Peripheral Nerve Conduction Function in STZ-Induced Diabetic Rats
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Kim Yang-Ho
Chang Mee-Kyung
Shin Min-Chul
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Abstract
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Purpose: This study aimed the effects of percutaneous electric nerve stimulation (PENS) applied to different parts of the streptozotocin-induced diabetic rats on the change of glucose and nerve.
Methods: rats (ten weeks old) were selected as the subjects; the normal group was five rats, and the diabetes induction group II, III and IV were five rats, respectively, which were randomly sampled from the twenty-five streptozotocin-administered rats with more than $240\;d{\ell}/m{\ell}$ of blood sugar. For PENS, electric current with 2 Hz of stimulation frequency and $200\;{\mu}s$ of pulse duration was applied to the subjects for fifteen minutes a day, six days a week, for three weeks. Calculation of glucose and weight, and nerve conduction test were conducted forty-eight hours and three weeks after streptozotocin administration, respectively.
Results: As for change of glucose and weight, the group III with stimulation to the acupoints and the group IV with stimulation to non-acupoints showed significant differences from the control group II (p<0.05). As for MNCV (motor nerve conduction velocity), the group III with stimulation to the acupoints showed significant differences from the group IV with stimulation to non-acupoints and the control group II (p<0.05).
Conclusion: PENS had the effects of inhibiting increase of glucose, change of weight and decrease of nerve conductive function between the distal and proximal ends of the peripheral nerve in the STZ-induced diabetic rats.
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KEYWORD
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Diabetes, Percutaneous electric nerve stimulation, Motor nerve conduction velocity
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