Implant preserved thumb function in patients with trapezial osteoarthritis

Investigators who performed trapezial-metacarpal joint replacement with a prosthesis that has a ball-and-socket design and a hydroxyapatite-coated stem reported 94% of 227 prostheses remained in place at a mean follow-up of 7.8 years. Although the series included four early dislocations and 11 late dislocations, they reported that most patients preferred the procedure performed with this implant to traditional excision arthroplasty.

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