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CT and X-Ray analysis of sagittal curve changes following thoracoscopic anterior scoliosis surgery

Izatt, Maree T., Adam, Clayton J., Verzin, Eugene J., Labrom, Robert D., & Askin, Geoffrey N. (2012) CT and X-Ray analysis of sagittal curve changes following thoracoscopic anterior scoliosis surgery. In Adelaide Centre for Spine Research : Spinal Research Symposium X, 2-4 August, 2012, Barossa Valley, Adelaide, SA. (Unpublished)

Abstract

Normal thoracic kyphosis Cobb angle for T5-T12 is most commonly reported as a range of 20-40º [1]. Patients with adolescent idiopathic scoliosis (AIS) exhibit a reduced thoracic kyphosis or hypokyphosis [2] accompanying the coronal and rotary distortion components. As a result, surgical restoration of the thoracic kyphosis while maintaining lumbar lordosis and overall sagittal balance is a critical aspect of achieving good clinical outcomes in AIS patients. Previous studies report an increase in thoracic kyphosis after anterior surgical approaches [3] and a flattening of sagittal contours following posterior approaches [4]. Difficulties with measuring sagittal parameters on radiographs are avoided with reformatted sagittal CT reconstructions due to the superior endplate clarity afforded by this imaging modality and are the subject of analysis in this study.

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ID Code: 53236
Item Type: Conference Paper
Keywords: thoracoscopic anterior spinal fusion, anterior scoliosis correction, idiopathic scoliosis, computed tomography, thoracic kyphosis, lumbar lordosis, sagittal profile
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > BIOMEDICAL ENGINEERING (090300) > Biomechanical Engineering (090302)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Orthopaedics (110314)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 The Authors
Deposited On: 22 Aug 2012 08:48
Last Modified: 22 Aug 2012 12:41

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