A Technique for the Management of Concomitant Scaphotrapezoid Arthritis in Patients With Thumb Metacarpotrapezial Arthritis: Interposition Arthroplasty With a Capitate Suture Anchor

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Abstract

Scaphotrapezoid (ST) arthritis is a common source of pain and disability that typically presents with concomitant basilar thumb arthritis. ST arthritis is often under recognized and under diagnosed as a source of continued pain after successful basilar thumb arthroplasty. Untreated, symptomatic ST arthritis can cause failure of an otherwise successfully executed thumb carpometacarpal arthroplasty due to persistent pain, which is frustrating to the patient and surgeon. Although multiple surgical treatment options have been described for basilar thumb carpometacarpal joint arthritis, there is no gold standard for the treatment of ST arthritis. We describe a surgical technique with a minimal trapezoid excision and interpositional arthroplasty using an acellular allograft secured with a suture anchor in the capitate.

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