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Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_III | Pages 211 - 211
1 Mar 2003
Papadelis P Christoforidis N Antonis K Mahaira E Hanioti C Lyritis G
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Achilles tendinitis can result, through inflammatory procedures, to tendon degeneration with microtears and nodules. Current conservative or surgical treatment of this lesion proved to be not effective enough. The reason for this is the absence of sufficient oxygenation in the area. In this study we report the results of a novel technique which tries to improve local vascularity.

We operated on 15 mature rabbits after they were anasthetized. Soleus fibers were trasplanted in the right achilles tendon. A lesion, 10mm long and 2mm wide was created in the inner band of the tendon simulating tendinitis. In the left achilles tendon the same procedure was done without transplantation. The rabbits were divided in three equal groups and were sacrificed in the first week, the 2nd and 3rd month after the operation. Histopathologic examination was done in both achilles tendons. The following parameters were assessed: transplanted muscle viability, inflammation and neoangiogenesis. We also evaluated the contact between muscle and tendon and the quality of tissue that was formed in the tendinitis simulating area.

Inflammatory process was noticed only in the 1st week after surgery. In the other groups viable muscle fibers and tendon tissue was observed. Muscle fibers were in contact with the tendon. The quality of tissue in the tendinitis simulating area was of better quality than in the control group.

We conclude that soleus transplanted muscle fibers in the rabbits achilles tendon seem to be oxygen carriers and improve the healing potential of the area. This fact results in tendon reinforcement.