Abstract
This retrospective study analysed the results of total trapeziectomy with RegJoint™ interposition in 38 osteoarthritic hands in 34 patients. Patients were evaluated preoperatively, at follow-up visits, and at a mean final follow-up of 33 months (range 20–53) with plain radiographs, computed tomography, as well as with subjective and objective evaluations. Pain decreased and subjective outcomes and function improved significantly. Computed tomography 18 months after operation showed osteolysis in 24 cases. Three patients developed wrist pain 12–18 months after operation with MRI findings of a foreign-body reaction in each case. One of these patients was scheduled for revision surgery. Although the clinical results were satisfactory, the risk of foreign-body reaction and osteolysis is noteworthy. We conclude that the use of RegJoint™ should be reconsidered since the implant probably offers no benefit in the treatment of trapeziometacarpal osteoarthritis.
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