Comparison of the sagittal profiles among thoracic idiopathic scoliosis patients with different Cobb angles and growth potentials

Journal of Orthopaedic Surgery and Research

Ming Li³  Yue-hua Qiao²  Xin-zhu Zhang¹  Xiang-yang Chen¹  Bing Zhou¹  Dun-yi Qi⁴  Kai-jin Guo¹  Feng-chao Zhao¹  Ji-bin Wu¹  Jia-yu Chen⁵  Feng Shen³  Guo-you Zhang³  Bo Ran¹ 

[1] Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical College, No. 99 Huaihai road, Xuzhou, Jiangsu 221006, China;Institute of Audiology and Speech Science, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu 221006, China;Department of Orthopedics, Changhai Hospital Affiliated to Second Military Medical University, Shanghai 200433, China;Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical College, No. 99 Huaihai road, Xuzhou, Jiangsu 221006, China;Department of Orthopedics, Kunming General Hospital of Chengdu Military Command, Kunming 650032, China

关键词: Lumbar lordosis;    Thoracic kyphosis;    Idiopathic scoliosis;    Sagittal profiles;   

Others  :  813536
DOI  :  10.1186/1749-799X-9-19

 received in 2013-12-24, accepted in 2014-02-24,  发布年份 2014

【 摘 要 】

Background

Previous studies have demonstrated that pelvic incidence and sacral slope are significantly greater in idiopathic scoliosis patients compared with normal adolescents. However, whether these sagittal parameters are related to the progression of scoliosis remain unknown. The present was designed to determine the differences in the sagittal profiles among thoracic idiopathic scoliosis patients with different potentials for curve progression.

Methods

Ninety-seven outpatient idiopathic scoliosis patients enrolled from June 2008 to June 2011 were divided to three groups according to different Cobb angles and growth potentials: (1) non-progression of thoracic curve group, Risser sign of 5 and Cobb’s angle < 40°; (2) moderate progression of thoracic curve group, Risser sign of 5 and Cobb’s angle ≥ 40°; and (3) severe progression of thoracic curve group, Risser sign ≤ 3 and Cobb’s angle ≥ 40°. All patients underwent whole spinal anteroposterior and lateral X-ray in standing position, and the sagittal parameters were measured, including thoracic kyphosis, lumbar lordosis, sacral slope, pelvic incidence, and pelvic tilt.

Results

The average thoracic scoliosis Cobb’s angle in the non-progression group was significantly less than that in the moderate progression group (P < 0.01) and severe progression group (P < 0.01), but there was no statistical difference in the average thoracic scoliosis Cobb’s angle between the severe progression group and moderate progression group. The average thoracic kyphosis angle in the severe progression group (9° ± 4°) was significantly smaller than that in the non-progression group (18° ± 6°, P < 0.01) and moderate progression group (14° ± 5°, P < 0.05). No statistical differences were present in the average lumbar lordosis, sacral slope, pelvic incidence, and pelvic tilt among the three groups.

Conclusions

Thoracic hypokyphosis is strongly related with the curve progression in thoracic idiopathic scoliosis patients, but not pelvic sagittal profiles.

【 授权许可】

   
2014 Ran et al.; licensee BioMed Central Ltd.

【 图 表 】

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