Article

We present the results of a prospective study of 31 thumbs in 30 patients
affected by primary osteoarthritis at the thumb carpometacarpal (CMC1) joint who
were treated with denervation of the involved joint. For every operated hand, the
Kapandji score, key-pinch strength, grip strength and pain on a visual analogue
scale were evaluated preoperatively and postoperatively at 2 weeks, 6 weeks, 3
months, 6 months and 1 year. The patients' satisfaction was determined. The
Kapandji score and key-pinch strength improved significantly in all patients.
Grip strength improved significantly in 10 hands. Pain was reduced in all cases.
Nevertheless, 6 patients were dissatisfied with the operation. Of these 6
patients, 4 had stage IV arthritis in the TMC and scaphotrapeziotrapezoid joints
of the thumb. Thumb CMC denervation appears to reduce pain at 1 year with an
overall improvement in key-pinch strength. However, patients with stage IV CMC
arthritis were not satisfied with the outcome of the procedure.
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Langue : ANGLAIS