脉冲电磁场对家兔骨软骨骨折愈合的影响  

Effect of pulse electro-magnetic fields on the repair of osteochondral fracture in rabbits

作　　者：张维蛟[1] 程杰平[1] 郭永智[1] 齐斌[1] 

机构地区：[1]吉林大学第二医院骨科,吉林长春130041

出　　处：《白求恩医科大学学报》2001年第2期171-174,共4页Journal of Norman Bethune University of Medical Science

摘　　要：目的 :研究脉冲电磁场对家兔骨软骨骨折的修复作用。方法 :将 16只家兔人工造成临床常见的胫骨平台骨折的动物模型 ,骨折采用钢丝内固定 ,不用外固定。随机分为实验组和对照组。实验组术后每天用脉冲电磁场刺激 6h,对照组不用电磁场刺激 ,喂养条件相同。术后 12周全部处死后行大体标本、光镜、电镜检查。结果 :实验组 6只家兔软骨骨折全部愈合 ,修复组织为类透明软骨 ,2只软骨骨折未完全愈合 ,修复组织为纤维软骨。对照组 7只未完全愈合 ,修复组织为纤维软骨 ,1只完全愈合 ,修复组织为类透明软骨。结论 :1脉冲电磁场对骨软骨骨折的愈合有促进作用 ;2脉冲电磁场能使软骨骨折达到类透明软骨修复。Objective:To study the effects of pulse electro-magnetic fields (PEMFs) on the healing of tibial condylar osteochondral in rabbits.Methods:Sixteen rabbits were divided into two groups,and osteochondral fractures of left tibia condyle were created,internal fixation was performed with steel wire.Group 1 was constantly treated with PEMFs six hours per day;group 2 was not treated.The results were studied by gross morphology,light microscopy and electro-microscopy.Results:75% and 13% fractures were repaired by hyalin-like cartilage in group 1 and in group 2 respectively.Conclusion:PEMFs are essential to facilitation of the cartilage repair. [

关 键 词：关节软骨骨折 脉冲电磁场 家兔 骨折愈合 修复作用 

分 类 号：R683.4[医药卫生—骨科学] R454.1[医药卫生—外科学]