الفهرس 
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Abstract
The aim of this study was to assess the radiological and clinical results of surgical treatment of adolescent idiopathic scoliosis using single rod instrumentation of the TSRH system and to correlate radiographic parameters with clinical patient outcome using the SRS questionnaire score. A total of 36 patients of idiopathic scoliosis were operatively by posterior instrumented spinal fusion with or without anterior fusion and release with an average follow up of 18 months (range 15-42 Month). Patient ware evaluated clinically by the scoliosis research society questionnaire scoring an radiologicaly by the deformity radiographic score of the Harms study group. The average coronal Cobb’s angle of the primary curves improved from 70o 9.5o SD to 31o 5.6 SD at the end of follow up and thoracic kyphosis improved from an average + 29o to + 40o and lumbar lordosis improved from - 30o - 45o. Spinal balance improved from an average of 3.5cm to 1cm at the end follow up. There was no correlation between total radiographic and SRS score or any of the SRS domain score. Single rod instrumentation is cost effective and achieved comparable results to the double rod instrumentation. In evaluating postoperative results of scoliosis, separate analysis of the clinical and radiological results is required