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| 无症状中国年轻人颈椎矢状位曲度正常值及其与全脊柱平衡的关系 | |
| 引用本文： | 唐彦超,赵文奎,于淼,刘晓光. 无症状中国年轻人颈椎矢状位曲度正常值及其与全脊柱平衡的关系[J]. 北京大学学报(医学版), 2022, 54(4): 712-718. DOI: 10.19723/j.issn.1671-167X.2022.04.021 |
| 作者姓名： | 唐彦超 赵文奎 于淼 刘晓光 |
| 作者单位： | 1. 北京大学第三医院骨科，北京 100191 2. 北京大学第三医院疼痛科，北京 100191 |
| 基金项目： | 国家自然科学基金面上项目(81972103) |
| 摘 要： | 目的：探讨无症状中国年轻人颈椎矢状位曲度的正常值及其与全脊柱平衡的关系。方法：2011年11月—2014年12月招募并选择年龄18～30岁的志愿者行全脊柱侧位X线检查，在X线片上测量指标包括C0-C2角、从C2-C3到C6-C7的间盘角、从C3到C7的椎体角、T1倾斜角、胸椎后凸角(thoracic kyphosis, TK)、腰椎前凸角(lumbar lordosis, LL)、骨盆入射角(pelvic incidence, PI)、骶骨倾斜角(sacral slope, SS)、C2-C7矢状轴向垂线(C2-C7 sagittal vertical axis, C2-C7SVA)、头重心至C7的矢状位轴向垂线(center of gra... |
| 关 键 词： | 颈椎 矢状位曲度 间盘角 椎体角 全脊柱平衡 |
| 收稿时间： | 2021-05-25 |
Normative values of cervical sagittal alignment according to the whole spine balance: Based on 126 asymptomatic Chinese young adults |
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| Yan-chao TANG,Wen-kui ZHAO,Miao YU,Xiao-guang LIU. Normative values of cervical sagittal alignment according to the whole spine balance: Based on 126 asymptomatic Chinese young adults[J]. Journal of Peking University. Health sciences, 2022, 54(4): 712-718. DOI: 10.19723/j.issn.1671-167X.2022.04.021 | |
| Authors: | Yan-chao TANG Wen-kui ZHAO Miao YU Xiao-guang LIU |
| Affiliation: | 1. Department of Orthopaedics, Peking University Third Hospital, Beijing 100191, China 2. Pain Medicine Center, Peking University Third Hospital, Beijing 100191, China |
| Abstract: | Objective: To explore the normal distribution of cervical sagittal alignment and the relationship between cervical alignment and global spine balance in asymptomatic young adults. Methods: A cohort of 272 asymptomatic Chinese adults (including 161 males and 111 females, with an average age of (23.2±4.4) years, ranging from 18 to 45 years) were prospectively recruited from November 2011 to December 2014. The C0-C2 angle, disk angles from C2-C3 to C6-C7, vertebral angles from C3 to C7, T1 slope, thoracic kyphosis (TK), lumbar lordosis (LL), pelvic incidence (PI), sacral slope (SS), C2-C7 sagittal vertical axis (C2-C7SVA), center of gravity of head to C7SVA (CGH-C7SVA), C7-S1SVA were measured and statistically analyzed. All the subjects were categorized with the Roussouly classification and the cervical morphologies were evaluated as lordotic, straight, sigmoid or kyphotic. Spinal sagittal alignment parameters were compared between different sexes and Roussouly classifications with independent student t test, analysis of variance (ANOVA) or Chi-square test. Correlations between cervical sagittal alignment and global spine sagittal alignment were calculated using the Pearson and Spearman correlation coefficient. Linear regression analysis was performed. Results: Sixty-seven males and 59 females aged from 18 to 30 years old were included in the study. The mean value of C0-C7 was 26.0°±12.8°, composed of 15.2°±6.7° for C0-C2, 9.1°±12.1° for sum of disk angles from C2-C3 to C6-C7, and 1.4°±10.2° for sum of vertebral angles from C3 to C7. C2-C7SVA [(18.6±7.9) mm] and CGH-C7SVA [(22.9±12.3) mm]were offset ideally by C7-S1SVA [(-21.6±31.0) mm]. Males had a larger T1 slope (P < 0.05) and accordingly, a larger cervical lordosis C2-C7 (P < 0.01) and C0-C7 angle (P < 0.01) than females. Males had a smaller C7-S1SVA (P < 0.01) and accordingly, a smaller CGH-C7SVA (P=0.165) than females. Significant difference was found between cervical alignment of different Roussouly types (P < 0.01). In general, a larger LL was consistent with a set of larger TK, C2-C7angle, C0-C7 angle, and vice versa. There was no significant correlation between cervical morphology and the Roussouly classification (Chi-square=10.548, P=0.308). There was significant correlation between cervical alignment and T1 slope (P < 0.01), TK (P < 0.01). There was significant correlation between adjacent segmental angles from T1 slope up to C0-C2 angle (P < 0.05). Conclusion: Normative values of each vertebral angle and disk angle were established. The cervical lordosis occurred mainly at C0-C2 and disk levels, which was influenced by parameters of other parts of the spine, such as T1 slope, TK and the Roussouly classification. There was significant correlation between adjacent disk angles. |
| Keywords: | Cervical spine Sagittal alignment Disk angle Vertebral angle Global spine balance |
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