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KMID : 0357220040160030050
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Journal of Korean Society Physical Therapy
2004 Volume.16 No. 3 p.50 ~ p.64
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The Effect of Wound Healing of Pulsed Ultrasound and Chitosan in Diabetic Induced Model
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Abstract
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The studies have been designed to evaluate the effect of wound healing of pulsed ultrasound and chitosan application in diabetic incisive wound of rats. Mild diabetes mellitus was induced in rat used 30 mg/kg streptozotocin. Full thickness skin incision was made on the backs of Sprague-Dawley rats. We used 72 Sprague-Dawley rats which were divided into 4 groups; the subjects were divided into group of 6 rats each 3, 6, and 15 days. The results were summarized as follows; The rate of wound length of pulsed ultrasound with chitosan application groups more decreased than only pulsed ultrasound treatment group. The density of inflammatory cells in the experimental groups was more significantly decreased than diabetic control group(p<0.05). Historically, in the ultrasound with chitosan application groups, reepithelized epithelium was thicker and the collagen fiber were organized in a liner manner and connective tissue was matured faster those of the diabetic control group(p<0.05). From the conclusions above, in this study application of pulsed ultrasound and chitosan can be an effective way of promotion of wound healing in diabetic model.
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