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Computed tomography evaluation of axial vertebral derotation in endoscopic anterior instrumentation for adolescent idiopathic scoliosis

Cordell-Smith, James A. , Adam, Clayton J., Izatt, Maree T., Labrom, Robert D. , & Askin, Geoffrey N. (2009) Computed tomography evaluation of axial vertebral derotation in endoscopic anterior instrumentation for adolescent idiopathic scoliosis. In Annual General Meeting of the British Scoliosis Society, 23-24 April 2009, Leicester. (Unpublished)

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Abstract

Thoracoscopic instrumented anterior spinal fusion for adolescent idiopathic scoliosis (AIS) has clinical benefits that include reduced pulmonary morbidity, postoperative pain, and improved cosmesis. However, quantitative data on radiological improvement of vertebral rotation using this method is lacking. This study’s objectives were to measure preoperative and postoperative axial vertebral rotational deformity at the curve apex in endoscopically-treated anterior-instrumented scoliosis patients using CT, and assess the relevance of these findings to clinically measured chest wall rib hump deformity correction. This is the first quantitative CT study to confirm that endoscopic anterior instrumented fusion for AIS substantially improves axial vertebral body rotational deformity at the apex of the curve. The margin of correction of 43% compares favourably with historically published figures of 24% for patients with posterior all-hook-rod constructs. CT measurements correlated significantly to the clinical outcome of rib hump deformity correction.

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21 since deposited on 29 Jun 2009
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ID Code: 25994
Item Type: Conference Paper
Additional Information: Also presented at 16th International Meeting on Advanced Spine Techniques (IMAST), Vienna, Austria, July 15-18, 2009 AND British Orthopaedic Association (BOA) Annual Congress, Manchester, United Kingdom, September 15-18, 2009.
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Keywords: axial rotation, idiopathic scoliosis, computed tomography, vetebral rotation, Thoracoscopic scoliosis correction
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: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2009 [please consult the authors]
Deposited On: 29 Jun 2009 11:49
Last Modified: 11 Aug 2011 01:23

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