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KMID : 1020120080060010043
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Journal of the Korean Academy of Clinical Electrophysiology
2008 Volume.6 No. 1 p.43 ~ p.55
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The Effect of Microcurrent Stimulation on Wound Healing in Rat
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Oh Hye-Jin
Kim Jung-Woo
Park Jang-Sung
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Abstract
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The purpose of this study was to investigate the effect of microcurrent stimulation intensity( - 5 pps pulse frequency was same) on wound healing in rat. Sixty male Korean rats were randomly divided into 4 groups of 15 for 4 different treatment protocols(none-control group, experimental groups). Experimental 20 mm linear wound were made and all animals in the experimental groups were received microcurrent stimulation once a day for 20 minutes until sacrifice days(1st day, 3rd day, 6th day). A vernier caliper was used to measure a wound healing length and an optical microscope was used to determine any histological changes. The repeated measures two-way ANOVA was used for statistical differences in wound healing length. Experimental results were as follows: 1. In the examination with the naked eye, all groups showed similar changes until 1st day. But from 3rd day, a little intercellular fluid soaked through wound region in control group. In experimental groups, little intercellular fluid soaked through wound region, and swelling and redness did not appear. 2. Wound length of experimental group was significantly decreased than control group(p<0.001). And in the aspect of application period, wound length was significantly decreased in 3th, 6th day than 1st day and 6th day than 3th day (p<0.001). In conclusion, it has been found that the microcurrent stimulation had a positive effect on wound healing. And stimulation intensity was more effective than other intensities() in wound healing. Also, low-intensity microcurrent stimulation was more effective on the purpose of wound healing.
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KEYWORD
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Microcurrent, Wound Healing
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