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Evaluation of total disc arthroplasty: a canine model
Brett A Taylor1, Gbolahan O Okubadejo, Alpesh A Patel
1Orthopaedic Center of St. Louis, Chesterfield, Missouri, USA.
Abstract:
The study reported here was designed to examine the biomechanical and histopathologic properties of total disc arthroplasty (TDA) using a canine model. Thirty-seven dogs were divided into 3 groups (intact spine, fusion, TDA) and sacrificed either at study commencement or at 3 months. Results showed progressive fusion from 0 to 3 months in the fusion group. The TDA group maintained motion throughout this period. No neurologic complications were noted in either group. These results establish the canine as a model for future studies of TDA.
