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学科主题: 临床医学
题名:
Analysis of Spinopelvic Sagittal Alignment in Patients With Thoracic and Thoracolumbar Angular Kyphosis
作者: Li, Weishi1; Sun, Zhuoran1; Guo, Zhaoqing1; Qi, Qiang1; Kim, Sang Do2; Zeng, Yan1; Sun, Chuiguo1; Chen, Zhongqiang1
关键词: kyphosis ; pelvic incidence ; spinopelvic sagittal alignment
刊名: SPINE
发表日期: 2013-06-01
DOI: 10.1097/BRS.0b013e3182913219
卷: 38, 期:13, 页:E813-E818
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Clinical Neurology ; Orthopedics
研究领域[WOS]: Neurosciences & Neurology ; Orthopedics
关键词[WOS]: ADOLESCENT IDIOPATHIC SCOLIOSIS ; PELVIC INCIDENCE ; STANDING POSITION ; LUMBAR SPINE ; BALANCE ; SPONDYLOLISTHESIS ; DEFORMITY ; LORDOSIS
英文摘要:

Study Design. Retrospective and radiological analysis of spinopelvic sagittal alignment in Chinese patients with thoracic and thoracolumbar kyphosis.

Objective. To determine the impact of thoracic and thoracolumbar kyphosis on pelvic sagittal morphology and the mechanisms of adjusting trunk sagittal balance.

Summary of Background Data. Previous studies have reported the normative values of pelvic sagittal parameters and classification of normal patterns of sagittal curvature, but no study has analyzed the impact of thoracic and thoracolumbar kyphosis on pelvic sagittal morphology and the mechanisms of maintaining the sagittal balance.

Methods. Whole spine and standing lateral radiographs of 49 Chinese patients with thoracic and thoracolumbar kyphosis were obtained before surgery, immediately after surgery, and in the final follow-up. The pelvic and spinal parameters were measured and the correlations of all parameters were analyzed. A descriptive analysis characterizing these parameters and a multivariate analysis were performed.

Results. The patients had a mean age of 30.3 years, whereas the mean age at which the patients who developed kyphosis was 7.1 years. Preoperative pelvic incidence was significantly less than that of normal subjects, and there was no difference in the preoperative, in the immediate postoperative, and in the final follow-up radiographs. The magnitude of kyphosis and the levels involved were independent factors of pelvic incidence. Pelvis anteversion and lumbar hyperlordosis were the mechanisms of adjusting the trunk sagittal balance. Although kyphosis and sagittal imbalance was corrected by surgery, pelvic sagittal morphology remained unchanged.

Conclusion. Thoracic and thoracolumbar angular kyphosis occurring during the growth period will lead to abnormal pelvic morphology. The greater the kyphotic angle and lower the kyphotic levels, the greater the impact on the pelvic morphology during skeletal maturation. The mechanisms of adjusting the trunk sagittal balance not only include pelvis anteverting, but also lumbar hyperlordosis. The latter serves as the main mechanism once skeletal maturation has been established. After skeletal maturation, surgery can reestablish the spinal sagittal balance but not the pelvis morphology.

语种: 英语
WOS记录号: WOS:000330354900007
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/55697
Appears in Collections:北京大学第三临床医学院_骨科_期刊论文

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作者单位: 1.Washington Univ St Louis, Dept Orthopaed, Washington, DC USA
2.Peking Univ Third Hosp, Dept Orthopaed, Beijing 100083, Peoples R China

Recommended Citation:
Li, Weishi,Sun, Zhuoran,Guo, Zhaoqing,et al. Analysis of Spinopelvic Sagittal Alignment in Patients With Thoracic and Thoracolumbar Angular Kyphosis[J]. SPINE,2013,38(13):E813-E818.
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