Abstract
1. One hundred cases of arthrodesis of first metatarso-phalangeal joint have been reviewed after a post-operative interval of at least ten years.
2. Seventy-seven per cent of patients were completely satisfied with the late results ; only 9 per cent were dissatisfied.
3. The two major factors leading to poor results were found to be malposition of the arthrodesis, and interphalangeal osteoarthritis.
4. The ideal position for fusion is considered to be in at least 20 degrees of valgus, preferably between 20 and 30 degrees ; between 20 and 40 degrees of dorsiflexion ; and most importantly, neutral rotation.
5. The precise operative technique is not important provided it maintains the position obtained at operation until the arthrodesis is sound.
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