Surgical treatment of lateral instability of the metacarpophalangeal joint of the first finger

Examination and treatment results of 27 patients with lateral instability of metacarpal-phalanx thumb joint were presented. The indication to operation and technique of surgical intervention in dependence on the terms from injury moment, presence or absence of instability, value of passive lateral deviation angle were detected. Surgical technique for the treatment of complete tears of collateral ligaments of metacarpal-phalanx thumb joint was petfected. In 22 patients follow up period ranged from 6 to 12 months. Excellent results were achieved in 13 (59%o), good — in 7 (32%)), satisfactory — in 2 (9%) patients.