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1 result(s) for "生物护创膜"
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自体脂肪源性干细胞联合无菌生物护创膜对慢性创面愈合的影响
目的评估自体脂肪源性干细胞(ADSCs)联合无菌生物护创膜对慢性创面愈合的作用。方法选取武警总医院收治的60例慢性创面患者,随机分为凡士林油纱组(A组)、无菌生物护创膜组(B组)、ADSCs联合无菌生物护创膜组(c组),每组20例。观察3组创面愈合情况、愈合时间及治疗后7、21、40d时的创面愈合率,治疗前、治疗7d、治疗14d时创面上皮基底层细胞增殖情况及治疗后50d创面上皮化情况,计数治疗前和治疗后7d创面上皮基底层新生微小血管密度(MVD)。结果与A、B组创面愈合情况比较,C组创周炎性反应轻,肉芽组织形成好,创缘上皮爬行速度快,且B组创面愈合情况好于A组。创面愈合时间A组,B组,C组,组问比较差异有统计学意义(P〈0.05)。3组治疗后各时间点创面愈合率、创面上皮基底层增殖细胞数、新生微小血管密度比较均为C组优于B组优于A组,差异有统计学意义(P〈0.05),治疗后50d创面上皮化情况亦为C组优于B组优于A组。结论自体ADSCs联合无菌生物护创膜可明显改善慢性创面修复细胞的增殖状态,促进创面血管再生,改善创面局部生长环境,加速创面愈合。