Does atlantoaxial dislocation influence the subaxial cervical spine?

被引：21
|
作者：
Wang, Shenglin [1 ]
Passias, Peter G. [2 ]
Cui, Libin [3 ]
Li, Gang [2 ]
Yan, Ming [1 ]
Zhou, Haitao [1 ]
Wang, Chao [1 ]
机构：
[1] Peking Univ, Hosp 3, Dept Orthopaed, Beijing 100191, Peoples R China
[2] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Bioengn Lab,Dept Orthopaed Surg, Boston, MA USA
[3] LUHE Hosp, Spine Dept, Beijing, Peoples R China
来源：
EUROPEAN SPINE JOURNAL | 2013年 / 22卷 / 07期
关键词：
Atlantoaxial dislocation; Atlas occipitalization; Basilar invagination; Cervical alignment; RHEUMATOID-ARTHRITIS; ALIGNMENT; FUSION;
D O I：
10.1007/s00586-013-2742-4
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
Previous studies have reported that the alignments of the occipital-cervical and subaxial spine were closely interrelated in asymptomatic individuals; however, none have focused on a population with atlantoaxial dislocation. From 2007 to 2011, 298 patients with atlantoaxial dislocation and atlas occipitalization were studied. Angles formed between Occiput-C2 and C2-C7 were measured. The relationship between the alignment of the occipital-cervical junction and the subaxial cervical spine was evaluated. The range of values for the angles measured was as followed: the Occiput-C2 angles were -35.2A degrees to 44.8A degrees, and the C2-C7 angles were -17.4A degrees to 77.8A degrees. Statistically significant negative correlations were observed between the Occiput-C2 and C2-C7 angles. Anterior dislocations of the atlas are associated with diminished lordosis or even kyphosis of the occipital-cervical junction, and result in compensatory hyperlordosis of the subaxial cervical spine, collectively presenting as a "swan neck" deformity. Atlantoaxial dislocation may influence the global cervical alignment.
引用
收藏
页码：1603 / 1607
页数：5
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