The effect of intraoperative force on scoliosis correction at the apex : a biomechanical investigation

Little, J. Paige, Askin, Geoffrey N., Labrom, Robert D., & Adam, Clayton J. (2012) The effect of intraoperative force on scoliosis correction at the apex : a biomechanical investigation. In Stanford, Ralph (Ed.) 23rd Annual Meeting of the Spine Society of Australia, 27-29 April 2012 , The Westin, Sydney, NSW. (Unpublished)

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Abstract

Adolescent idiopathic scoliosis (AIS) is a complex 3D deformity of the spine, which may require surgical correction in severe cases. Computer models of the spine provide a potentially powerful tool to virtually ‘test’ various surgical scenarios prior to surgery. Using patient-specific computer models of seven AIS patients who had undergone a single rod anterior procedure, we have recently found that the majority of the deformity correction occurs at the apical joint or the joint immediately cephalic to the apex. In the current paper, we investigate the biomechanics of the apical joint for these patients using clinically measured intra-operative compressive forces applied during implant placement. The aim of this study is to determine a relationship between the compressive joint force applied intra-operatively and the achievable deformity correction at the apical joint.

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ID Code: 53224
Item Type: Conference Paper
Keywords: idiopathic scoliosis, patient-specific spine model, intra-operative forces, Cobb angle, anterior 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: Current > Schools > School of Curriculum
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 the Authors
Deposited On: 20 Aug 2012 22:24
Last Modified: 28 Apr 2014 09:38

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