A consecutive series of 40 trapeziectomies in 30 patients with basal thumb joint osteoarthritis was reviewed. Sixteen thumbs had pan-trapezial and 24 thumbs trapeziometacarpal osteoarthritis. Simple excision without soft tissue interposition was performed by the same surgeon using an identical surgical technique. Twentyeight patients were female (mean age 57 years) with a mean follow-up of 11 (3-19) years. Twenty-eight patients were satisfied with their operation, with 26 thumbs being pain free. Thumb pinch strength was improved by 40% compared to preoperative values, but still remained 22% weaker than the non-operated side.Résumé Une série de 40 trapézectomies pour arthrose trapézo-métacarpienne est présentée. Il s'agit de 30 patients dont 28 de sexe féminin, d'âge moyen 57 ans, avec un suivi de 11 ans (3 à 19). L'arthrose était péri-trapézienne dans 16 cas et trapézo-métacarpienne dans 24 cas. Une simple ablation du trapèze a été fait san interposition tissulaire, par la même Chirurgien. 28 patients sont satisfaits de l'intervention avec une première colonne indolore dans 26 cas. La force de la pince polycidigitale a été améliorée de 40% comparé à l'état pré-opératoire mais reste plus faible que celle du côté non opéré.
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