OBJECTIVE: to assess and compare to the results reported in literature the outcomes of correction obtained in the immediate postoperative period and in the follow-up after arthrodesis consolidation in patients with adolescent idiopathic scoliosis who were submitted to Universal Spine System (USS I) hybrid instrumentation. Design of the study: series of cases. METHODS: twenty patients with adolescent idiopathic scoliosis were submitted to instrumental fusion with third generation instrumentation (USS I). The radiographic evaluation was made through the Cobb's method in the pre-operative and immediate post-operative periods, and at the end of the treatment. The curves were classified based on King and Lenke's criteria. RESULTS: the mean follow-up was 20 months. This study showed an immediate average correction of 50±29%. A loss of correction of 11±16% was observed during the follow-up. There were no complications such as infection, release of the implant, neurological deficit or pseudoarthrosis. CONCLUSION: the radiographic results showed that this instrumentation, regarding loss of correction in 20-month period, was similar to other methods using third generation instrumentation.
Scoliosis; Escoliosis; Arthrodesis; Spinal fusion; Surgical instruments
