无症状成人颈椎矢状位曲度分析及其与全脊柱矢状位参数的关系

被引:97
作者
赵文奎
于淼
韦峰
姜亮
吴奉梁
党礌
刘晓光
刘忠军
机构
[1] 北京大学第三医院骨科
关键词
颈椎矢状位曲度; 矢状面轴向矩离; 颈椎类型;
D O I
暂无
中图分类号
R681.5 [脊柱及背疾病];
学科分类号
100220 [骨科学];
摘要
目的:探讨正常亚洲黄种人群颈椎矢状位曲度及其与全脊柱矢状位参数的关系。方法:采用影像学分析对132名成人无症状志愿者进行研究,所有志愿者行全脊柱正、侧位X线检查及中立位颈椎侧位片,测量颈椎矢状位参数包括C0-C2角(Occiput-C2 angle)、C2-C7角(C2-C7 angle)、C2-C7矢状面轴向距离(sagittal vertical axis,SVA)、头部重心(center gravity of head,CGH)C7 SVA(CGH-C7 SVA)、C2-CGH SVA,和胸椎矢状位参数:T1倾斜角(T1 slope)、胸椎后凸角(thoracic kyphosis,TK),脊柱-骨盆的方向性参数:腰椎前凸角(lumbar lordosis,LL)、骨盆入射角(pelvic incidence,PI)、骶骨倾斜角(sacral slope,SS)及全脊柱矢状位参数:脊柱骶骨角(spinal sacral angle,SSA)、C7-S1的矢状面轴向距离(C7-S1 SVA)。使用Toyama等颈椎矢状位序列分型方法将所有志愿者分为三组:前凸组,后凸组,变直或鹅颈畸形组,并比较三组人群各参数间差异。使用皮尔逊相关分析和单因素ANOVA分析相关数据。结果:C0-C2角的平均值是15.13°±6.69°,C2-C7角的平均值是12.03°±7.64°。C2-C7 SVA平均值是18.67±7.96mm,CGH-C7 SVA的平均值是22.95±12.18mm,CGH-C2 SVA的平均值是7.08±5.38mm,T1 slope平均值是26.33°±7.01°。三组志愿者中,前凸组共43名(占32.6%),变直或鹅颈畸形组共74名(占56.1%),后凸组15名(占113%)。C2-C7角与T1 slope(r=0.422)相关,T1 slope与TK(r=0.434)、TK与LL(r=0.574),LL与SS(r=0.459),SS与PI(r=0.727)相关。三种志愿者中C2-C7角,CGH-C7SVA,Tl slope,TK在三组间两两比较均有显著统计学差异。结论:部分无症状成人亦存在颈椎的变直或鹅颈畸形甚至后凸改变。颈椎后凸表现可能更多的是一个局部问题而非整体脊柱骨盆参数异常。
引用
收藏
页码:231 / 238
页数:8
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