Axial correction of pes varus by transverse-opening wedge osteotomy and T-plate fixation with beta-tricalcium phosphate (beta-TCP) transplantation in dachshunds
2005
Izumisawa, Y. (Rakuno Gakuen Univ., Ebetsu, Hokkaido (Japan)) | Seno, T. | Abe, R. | Miyoshi, K. | Maehara, S. | Wakaiki, S. | Kushiro, T. | Umar, M.A. | Tsuzuki, K. | Yamashita, K. | Hayashi, S.
Axial correction was performed surgically in two miniature dachshunds presenting with lateral patellar dislocation and limping caused by pes varus. Pes varus had resulted from asymmetric closure of me physis of the distal tibia. Prior to surgery, osteotomy was simulated by measuring X-ray films to determine the distance required for the wedge opening. Transverse-opening wedge osteotomy was performed on the medial side of me distal tibia, and beta-tricalcium phosphate (beta-TCP) was inserted in a wedge shape into the area created by the cuneiform osteotomy. Finally, the tibia was fixed by a veterinary 1.5/2.0-mm T-plate. Both dogs were able to walk a few days after surgery, and the lateral dislocation of the patella normalized almost completely in about one month. At two months, X-ray films showed mat me implant had remained in position without any dislocation, and the beta-TCP had fused with the surrounding bone. key words: opening wedge osteotomy, pes varus, T-plate fixation.
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