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KMID : 0358819900170020162
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Journal of Korean Society of Plastic and Reconstructive Surgeons
1990 Volume.17 No. 2 p.162 ~ p.173
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SURVIVAL OF CRUSHED RABBIT CARTILAGE
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Abstract
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The deviated nose regardless whether it is due to traumatic or congenital origin results in troublesome symptoms coming from airway obstruction. Numerous methods for straightening the severely deviated septum have been described by many authors but none in wholly satisfactory.
A new method that the crooked septal cartilage is being flattened by crushing and reimplanting into the septal pocket is introduced.
The authors are desirous of knowing about the fate of the crushed cartilage graft. Forty rabbits weighing 2 to 3 kg were divided into 2 groups, septal group and conchal group. The cartilages were obtained from the nasal septum and ear ; these cartilages were placed under the paraspinal subcutaneous tissue. Prior to paraspinal implantation the obtained cartilage was halved; one piece of cartilage being crushed by Cottles´s cartilage crusher before its placement into the recipient site and the other was placed without crushing.
The cartilage specimens were removed at 6 and 12 weeks postoperatively and these were examined by the naked eyes and light microscope.
The results were and follows:
1. The fissures and cleavages of cartilage developed during crushing process and restored to normal by 6 weeks postoperatively.
2. All of the uncrushed cartilages remained viable in the subcutaneous pockets. The crushed cartilages not only appeared viable but also induced a new cartilage formation beneath the perichondrium at 12 weeks postoperatively and the thickness being increased compaired to the cartilage before crushing.
3. Crushed cartilage remained flat at 12 weeks postoperatively.
4. the degree of strength of the crushed cartilage is increased due to new cartilage formation and fibrosis of perichondrium at 12 weeks postoperatively.
These findings support the clinical impression that the crushed autogenous cartilage is viable and can be reshaped according to the contour of the recipient site.
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KEYWORD
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