跑台运动干预膝关节软骨全层缺损修复

被引:4
作者
赵森泉 [1 ]
毛新润 [2 ]
机构
[1] 河北软件职业技术学院
[2] 河北医科大学第二附属医院
关键词
软骨细胞; 膝关节; 软骨,关节; 组织工程; 组织构建; 软骨组织工程; 软骨缺损; 跑台运动; 膝关节软骨; 基质金属蛋白酶3; 关节功能; 全层软骨缺损模型; 纤维细胞;
D O I
暂无
中图分类号
R684 [关节疾病及损伤];
学科分类号
100220 [骨科学];
摘要
背景:关节软骨位置特殊,其功能常会受到运动的影响,通过关节运动能促进缺损部位修复,但是该结论尚未得到进一步证实。目的:探讨跑台运动时不同运动强度对大鼠膝关节软骨全层缺损修复效果。方法:将40只大鼠用直径3.2 mm的骨科手术电钻在股骨面制作一个直径3.2 mm的全层软骨缺损模型,然后随机分为模型组、低强度运动组、中强度运动组和高强度运动组,各10只。模型组仅在笼内自由活动,低强度运动组在平面进行运动,平台速度8.2 m/min;中强度运动组跑台坡度设置成5°,速度控制在15.5 m/min;高强度运动组设置跑台高度10°,速度控制在26.7 m/min。结果与结论:(1)跑台运动8周后,低、中、高强度运动强度组大鼠血清基质金属蛋白酶3、基质金属蛋白酶抑制剂浓度均低于模型组(P<0.05),且中强度运动组大鼠血清基质金属蛋白酶3、基质金属蛋白酶抑制剂浓度低于低、高强度运动强度组(P<0.05);(2)中强度运动组关节软骨全层缺损区可见纤维组织,且与相邻正常关节软骨连接,厚度基本,修复效果明显优于其他3组。(3)提示中等强度跑台运动能促进大鼠膝关节软骨全层缺损修复,提高关节功能。
引用
收藏
页码:2478 / 2483
页数:6
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