Operative treatment for arthritis in carpometacarpal joint of thumb.

概要

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Since 1982, we have performed Ashworth type of silicone rubber interposition arthroplasty in ten cases and arthrodesis in six cases for arthritis in carpometacarpal joint of thumb. Seven cases of arthroplasty and five cases of arthrodesis were followed up for an average period of two years and eleven months. We examined relief of pain, range of motion, grip strength and pinch strength to determine the indications of each procedure. For relief of pain arthrodesis was superior to arthro-plasty, but arthroplasty gave better improvement in range of motion. There was no difference in grip and pinch strength between both procedures. It is better to choose arthroplasty when the patient wants good motion of thumb, whereas if he is a hard worker, arthrodesis should be choosed.
西日本整形・災害外科学会の論文