Acceleration of Wound Healing and Collagen Deposition in Rat Skin by High Voltage Pulsed Current Stimulation

作者
Lee Jaehyoung,In-young Song,Jong-Gyu Kim
出处
期刊:The Journal of Korean Physical Therapy [The Korean Society of Physical Therapy]
卷期号:15 (4): 1-12 被引量:2
链接
摘要

고전압맥동전류자극이 흰쥐 피부의 창상치유와 섬유모세포 및 교원질 밀도에 미치는 영향을 규명할 목적으로 본 실험을 시행하였다. Sprague-Dawley계 수컷 흰쥐 20마리를 10마리씩 무작위로 고전압맥동전류자극군과 대조군에 배치하고 등에 10 mm의 전층 절개상을 만들었다. 고전압맥동전류자극군은 창상 위에 전극을 부착한 후 맥동빈도 100 pps, 맥동기간 $65{\mu}s$ , 강도 50 V로 1일 30분씩 1주 동안 자극하였으며 대조군은 전극만 부착하고 전류를 통전시키지 않았다. 1주 후 창상 길이를 계측한 후 창상부위의 피부를 적출하여 포르말린에 고정한 후 파라핀 포매 절편을 제작하여 Massons trichrome 및 hematoxylin and eosin (HE HVPCS group (n=10) and control group (n=10). The HVPCS rats received electrical stimulation with a current intensity of 50 V at 100 pps for a duration of 30 minutes, while the control group was given the same treatment without electricity for a week. The biopsy specimens were fixed in formalin, embedded in paraffin and stained with Masson's trichrome, hematoxylin and eosin (H&E). The fibroblasts and collagen density were counted using a light microscope and computerized image analysis system and calculated as the density and the percent. A Student t-test showed a significantly higher wound healing rate of the HVPCS group than control (t=-4.161, p】

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