Abstract
A retrospective review of two types of operations for carpometacarpal osteoarthritis of the thumb was done for patients operated on between 1991 and 1996. Follow-up ranged from 18 to 90 months (mean 62 months). Fifty-eight Swanson Silastic arthroplasties and 56 sling excision arthoplasties were reviewed. Eight patients with Swanson arthroplasties underwent removal of the implant. Eight patients in the sling excision group required further surgery. These patients were excluded from further analysis. Questionnaires about pain, general satisfaction and function were sent to the other patients and 87 responses were received (sling 45, implant 42). In the implant group significantly better results were obtained for pain at 1 year, carrying a milk bottle and taking a handbrake off a car, and overall function. We conclude that trapeziectomy combined with Swanson implant gives better results in the short term if there are no complications of the operation.
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