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KMID : 0357220020140020169
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Journal of Korean Society Physical Therapy
2002 Volume.14 No. 2 p.169 ~ p.180
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The Effect of Low Power Laser Irradiation on acute pain of Rats Induced by Wound
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김동현/Kim, Dong-Hyun
백수정/김석범/송주민/김진상/Baek, Su-Jeong/Kim, Souk-Boum/Song, Ju-Min/Kim, Jin-Sang
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Abstract
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Abstract
This study was performed, using c-fos and Substance 1´, to investigate the effect of GaAIAs laser on acute pain model induced by wound in lumbar region´. s spinal level. The test group was divided into control and experimental group. Control group is shamed group(c-fos and substance P expression after non-irradiation by a GaAlAs laser). The experimental group was divided into two subgroups: one is experimental group 1 (c-lbs expression after irradiation by a GaAlAs laser), and the other is experimental group 11 (substance P expression after irradiation by a GaAlAs laser).
The results of this study were as following:
1. The numbers of c-fos immunoreactive neuron in spinal cord was increased markedly I day after wound, and decreased gradually from I day to 2 days in wound with GaAIAs laser irradiation.
2. The changes of the average percentages of substance P immunoreactive neurons in spinal cord was increased markedly I day alter wound, and decreased gradually from I day to 2 days in wound with GaAIAs laser irradiation.
Therefore, decreasing the changes of c-fos and substance P expression after irradiation by a GaAlAs laser indicates and GaAlAs laser have effect on pain control.
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