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KMID : 0376219810180020215
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Chonnam Medical Journal
1981 Volume.18 No. 2 p.215 ~ p.225
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Experimental Study on the Staged Tendon Graft Utilizing Silastic Rod
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Abstract
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Staged tendon graft utilizing silastic rod was done experimentally in the flexor tendon of chicken and the process of pseudosheat formation and the local change after tendon graft was observed histologically, with the following results.
The pseudosheat around the silastic rod showed no significant difference after ten to fourteen weeks of rod insertion, except that the latter contained a greater amount of fatty tissue.
The pseudosheath consisting of several layers of fibrous tissue could easily be differentiated from that of normal one, although the inner lining mesothelial cell layers showed some similiarity between these two.
Phenomenon of adhesion formation between the pseudosheath and the graft tendon was observed to occur exclusively at the volar and dorsal part of the tendon and no adhesion was found at both lateral sides.
Gliding function of the immobilized graft tendon showed almost complete restoration with six to eight weeks of active exercise.
At the site of adhesion formation the pseudosheath had no mesothelial lining cells and its fibrous layer was observed to have direct contact with the epitenon of the graft tendon.
After the lysis of adhesion, the new mesothelial linning cell layer developed in the pseudosheath within two weeks.
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