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Effects of topical oxygen therapy on ischemic wound healing

机译:局部氧疗对缺血性伤口愈合的影响

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摘要

[Purpose] This study evaluated the effects of topical oxygen therapy on the hind limb wounds of rats under ischemic conditions. [Subjects and Methods] Twelve injured rats were treated with topical oxygen on skin wounds located on the hind limb and compared with twelve injured control rats. Indexes including gross morphology of the wound, wound healing time, wound healing rate, and histological and immunohistochemical staining of sections of wound tissue were examined at different time points after intervention. [Results] The wound healing time was shorter in the topical oxygen therapy group than the control group. The wound healing rate and granulation tissue formation in the topical oxygen therapy group showed significant improvement on days 3, 7, and 14. Through van Gieson staining, the accumulation of collagen fiber in the topical oxygen therapy group was found to have improved when compared with the control group on day 7. Through semiquantitative immunohistochemical staining, many more new vessels were found in the topical oxygen therapy group compared with the model control group on day 7. [Conclusion] The results of the experiment showed that topical oxygen therapy improved ischemic wound healing.
机译:[目的]评价局部氧疗对缺血状态下大鼠后肢伤口的影响。 [对象和方法]十二只受伤的大鼠在后肢的皮肤伤口上用局部氧气治疗,并与十二只受伤的对照大鼠进行比较。在干预后的不同时间点检查包括伤口的总体形态,伤口愈合时间,伤口愈合率以及伤口组织切片的组织学和免疫组织化学染色在内的指标。 [结果]外用氧疗组创面愈合时间短于对照组。局部用氧治疗组的伤口愈合率和肉芽组织形成在第3、7和14天显示出显着改善。通过范吉森染色,发现局部用氧治疗组的胶原纤维积累比与常规方法相比有所改善。与第7天的模型对照组相比,通过半定量免疫组织化学染色,局部氧疗组中发现了更多的新血管。[结论]实验结果表明,局部氧疗改善了缺血性伤口康复。

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