[Treatment of rhizomelic arthrosis of the thumb by partial resection of the trapezium and rib cartilage autograft. Preliminary results].

The authors have studied the results of a personal technique concerning the treatment of trapezo-metacarpal arthritis: a partial trapezectomy is associated with a antogenous rib cartilage graft. 13 cases were treated using the procedure. 9 patients are reviewed with a follow up mean one year. 4 patients are free of pain, 5 are improved. Strength is improve in 4 cases (pinch), similar or inferior to the pre-operative status in 5 cases. Increase of motion concern Kapandji test and first web space. Follow up is insufficient to allow a conclusion about the long term behaviour of cartilage graft.