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Abstract

BACKGROUND:

Plaster external fixation has a positive effect on bone-tendon junction healing, but there is no in-depth study on the repair mechanism.

OBJECTIVE:

To investigate the effect of plaster external fixation on the histomorphological changes for bone-tendon junction healing.

METHODS:

The bone-tendon junction healing models were established by cutting off the junction between the patellar tip and the patellar tendon as well as the distal part of the patella. The models were divided into experimental group and model group. The models in the experimental group were performed with plaster external fixation and those in the model group were without fixation. Each group got the sample at 2, 4 and 8 weeks after operation.

RESULTS AND CONCLUSION:

Hematoxylin-eosin staining, Safranin'O staining, macrophages immunohistochemistry staining and integral absorbance showed that the tissue edema and adhesion at the bone-tendon junction in the experimental group were better than those in the model group, cartilage cells and bone tissue formation and differentiation in the experimental group were significantly better those those in the model group, and degree of the inflammation in the experimental group was light and disappeared quickly. External fixation can accelerate the process of bone-tendon repair and promote the healing.

RESULTS AND CONCLUSION:

Wang J, Zhang CY, Tan CF. Effect of plaster external fixation on the histomorphological changes for bone-tendon junction healing.Zhongguo Zuzhi Gongcheng Yanjiu. 2012;16(13): 2362-2365.

RESULTS AND CONCLUSION:

[http://www.crter.cnhttp://en.zglckf.com]

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