|Title:||Clinical evaluation of newly designed spinal orthosis for the high thoracic curve of the patients with adolescent idiopathic scoliosis (AIS)|
|Subject:||Hong Kong Polytechnic University -- Dissertations.|
Spinal adjustment -- Evaluation.
|Department:||Jockey Club Rehabilitation Engineering Centre|
|Pages:||xvi, 88 leaves : ill. (some col.) ; 31 cm.|
|Abstract:||Adolescent Idiopathic Scoliosis (AIS) is a spinal deformity with unpredictable outcome during the pubertal period. In the management of AIS, the conventional underarm spinal orthosis is commonly applied. This type of orthosis is considered because of better patient's acceptance - inconspicuous appearance and easily covered by loose shirt. However, it offers poorer curve control to the high thoracic curve of apex at or above T7 when compared with the low thoracic, thoracolumbar or lumbar curves. A retrospective study was carried out to document the effectiveness of the conventional underarm spinal orthosis for the high thoracic curve, thoracic curve, thoracolumbar curve and lumbar curve. Totally 209 cases were revealed with reference to the clinical parameters namely, standing PA Cobb's angle, apical vertebral rotation, trunk listing and thoracic kyphosis. A new spinal orthosis for the high thoracic curve was designed and evaluated in this study. Thirteen subjects were recruited. The results of the first 12 months treatment were compared with that of the conventional spinal orthosis. In addition, a pilot study was carried out to assess the feasibility of using metal foil to locate the thoracic controlling pad through the radiographical images. The results of the retrospective study showed that the treatment effectiveness of the thoracolumbar curve was more outstanding than the others. The remaining sequence of the treatment effectiveness is lumbar curve, lower thoracic curve and high thoracic curve. In the evaluation of the newly designed spinal orthosis, significant reduction (p<0.05) in the trunk listing was found as compared with the conventional orthosis but with treatment results in the standing PA Cobb's angle and apical vertebral rotation, In the study of outlining the thoracic pad and its apex in the spine radiography using aluminum foil, the method was tested to be feasible and can be easily applied for identifying pad location on the spine and ribs that is essential for accurate application of biomechanical forces for curve control.|
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