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| ZHAO Qinghua,ZHU Zezhang,QIU Yong.Effect of thoracic kyphosis on upper thoracic kyphosis in patients with mild and moderate thoracic adolescent idiopathic scoliosis[J].Chinese Journal of Spine and Spinal Cord,2011,(6):463-467. |
| Effect of thoracic kyphosis on upper thoracic kyphosis in patients with mild and moderate thoracic adolescent idiopathic scoliosis |
| Received:January 11, 2011 Revised:April 20, 2011 |
| English Keywords:Adolescent idiopathic scoliosis Thoracic Upper thoracic kyphosis Thoracic kyphosis |
| Fund:基金项目：江苏省人事厅六大人才高峰项目（编号：07-B-027） |
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| English Abstract: |
| 【Abstract】 Objective：To evaluate the effect of thoracic kyphosis on upper thoracic kyphosis in thoracic curve type of adolescent idiopathic scoliosis（AIS）.Method：100 cases with AIS in our database which included 50 single thoracic curve and 50 double thoracic curves were reviewed.According to the thoracic kyphosis（TK），all cases were divided into two groups：group A with TK<10° and group B with 10°≤TK≤40°.Based on standing posteroanterior and lateral X-rays，the following parameters were measured： Cobb angle of main thoracic curve，upper thoracic kyphosis(T2-T5)，thoracic kyphosis（T5~T12）.The above parameters between two groups were analyzed by using t-test，and linear correlation between parameters were calculated by Spearman correlation coefficients.Result：For single thoracic curve，the upper thoracic kyphosis in group A was smaller than that in group B（6.9° versus 9.8°，P<0.05）.Significant linear correlation was found between thoracic kyphosis and upper thoracic kyphosis in both subgroups（P<0.05）.For double thoracic curves，no significant difference was found betweent two subgroups（12.0° versus 11.9°，P>0.05），and no significant correlation was found between thoracic kyphosis and upper thoracic kyphosis（P>0.05）.Conclusion：The thoracic kyphosis may not influence the upper thoracic kyphosis in AIS patients with mild and moderate double thoracic curves，while the upper thoracic kyphosis decreases with decreasing of the thoracic kyphosis，which should be taken into consideration for sagittal realignment with posterior thoracic fusion in mild and moderate thoracic AIS patients． |
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