Use this URL to cite or link to this record in EThOS: http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.649538
Title: Idiopathic scoliosis : aetiology, natural history and treatment
Author: Dickson, R. A.
Awarding Body: University of Edinburgh
Current Institution: University of Edinburgh
Date of Award: 1992
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Abstract:
Spinal deformities are fundamentally abnormalities of spinal shape in the sagittal plane and their causation and behaviour are an amalgam of biomechanical and biological factors. There are two primordial deformity types - scoliosis and kyphosis. Structural scolioses are produced by buckling of an area of lordosis, while kyphoses are rotationally stable and remain in the sagittal plane. Idiopathic thoracic scoliosis is effectively the opposite deformity to Scheuermann's kyphosis and both conditions represent the end of a spectrum of normal lateral thoracic profiles. Non-idiopathic spinal deformities are both more prevalent and progressive because of weakness of the spinal column at soft tissue, bone, or nerve and muscle level. Minor degrees of scoliosis are common in children and non-structural deformities secondary to a tilted pelvis must be identified and excluded so that attention can be focussed on those with progression potential. Small inconsequential thoracic curves become rotationally progressive when the thoracic kyphosis flattens and reverses during the early adolescent growth spurt. Thus the condition of progressive thoracic idiopathic scoliosis is more prevalent in girls who are maturing at this time. In later adolescence, when boys are maturing, the thoracic kyphosis increases again and thus boys who are now growing faster are more vulnerable to 'Scheuermann's' kyphosis. When the normally kyphotic animal spine is rendered lordotic over consecutive segments then progressive buckling occurs with growth to produce a three-dimensional spinal deformity similar to that encountered in children. Importantly, when the thoracic kyphosis is restored there is a tendency towards resolution. For thoracic scoliosis of clinical significance conservative treatment is disappointing because the three-dimensional nature of the deformity cannot be favourably influenced externally.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (D.Sc.) Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.649538  DOI: Not available
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