Soft tissue interposition arthroplasty for osteoarthritis of the carpometacarpal joint of the thumb.

A soft tissue interposition arthroplasty for carpometacarpal osteoarthritis of the thumb is described. Thirty-seven joints in 32 patients were operated on. The results with regard to pain, strength and mobility are recorded. In 34 cases the patients reported considerable improvement after the operation and the majority of the patients could resume their usual work. Only minor complications occurred.