Posterior spinal arthrodesis with thoracoplasty and an open anterior approach, with respect to a posterior only fusion, have a deleterious effect on pulmonary function for up to 5 years after surgical treatment of adolescent idiopathic scoliosis. We aimed to compare two groups of adolescents surgically treated for their spinal deformity either by posterior segmental fusion alone (PSF) or by posterior spinal fusion and thoracoplasty (PSF+T). We focused on the long-term effects of thoracoplasty on pulmonary function in the surgical treatment of adolescent idiopathic scoliosis. We compared 40 consecutive adolescent patients surgically treated between 1998 and 2001 by PSF+T with a similar cohort of 40 adolescents treated in the same period by PSF. Inclusion criteria were pedicle screw instrumentation alone and a minimum 5 years of follow-up. A radiographic analysis and a chart review were done, evaluating the pulmonary function tests (PFTs), the SRS-30 score questionnaire, and the Lenke classification system. A radiographic rib-hump (RH) assessment was also undertaken.Introduction
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