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Archives of Orthopaedic and Trauma Surgery
Published in: Archives of Orthopaedic and Trauma Surgery 6/2013

01-06-2013 | Trauma Surgery

Incongruity affecting osteochondral repair by mosaicplasty technique in an animal model

Authors: Jun Sun, Xiao-kui Hou, Kuang Yong, Meng Shi

Published in: Archives of Orthopaedic and Trauma Surgery | Issue 6/2013

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Abstract

Objective

To compare the influence of the different osteochondral incongruity grades on the osteochondral repair by the mosaicplasty technique in a goat model.

Methods

The acute defects were created in the weight-bearing area of the medial femoral condyle of the goats. Mosaicplasty was done to repair the defects. While implanting the cylindrical osteochondral grafts, different osteochondral sunk, or elevated incongruities were created. The goats were killed 12 weeks after operation to receive gross and histology observation, which was evaluated by the histological grading scale of O’Driscoll et al. The specimens were also taken for transmission electron microscope examination. Two factors analysis of variance and Student–Newman–Kewls test were used to compare the specimen.

Results

Minimal steps, which were less than the thickness of cartilage, possess a capacity for remodeling that can correct initial incongruities while preserving hyaline characteristics. However, the step more than the thickness of cartilage could not be repaired satisfactorily.

Conclusions

The incongruity could have an influence on the repair by the mosaicplasty technique in a goat model. The limited incongruity could be repaired by a vigorous remodeling process.
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Metadata
Title
Incongruity affecting osteochondral repair by mosaicplasty technique in an animal model
Authors
Jun Sun
Xiao-kui Hou
Kuang Yong
Meng Shi
Publication date
01-06-2013
Publisher
Springer-Verlag
Published in
Archives of Orthopaedic and Trauma Surgery / Issue 6/2013
Print ISSN: 0936-8051
Electronic ISSN: 1434-3916
DOI
https://doi.org/10.1007/s00402-013-1711-z

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