摘要
[目的]探讨测量T1斜坡（T1Slope）角度与颈后路单开门椎管扩大成形术后颈椎曲度变化的关系。[方法]本组96例病例均进行颈后路单开门椎管扩大成形术,术前测量T1Slope角度及C2~7Cobb角度。随访12~42个月,术后再次测量C2~7Cobb角度。96例患者术前根据T1Slope角度均值（26.07°）分为两组,〉26.07°为A组,〈26.07°为B组。了解T1Slope角度与术前及术后C2~7Cobb角度是否存在统计学意义,继而推断出术前测量T1Slope角度与颈后路术后颈椎曲度变化的关系。[结果]本组病例T1Slope角度与全体样本C2~7Cobb角度之间存在线性相关,并存在正相关（r=0.77,P〈0.05）。A组术后发生颈椎前凸角度丢失倾向较B组大,差异具有明显统计学意义（t=7.20,P〈0.05）。两组JOA评分术后改善率无明显差别;两组术后Odom’s分级评价,A组优良率为57.14%,B组优良率为83.33%,两组相比差异有统计学意义（x^2=84.96,P〈0.05）。[结论]T1Slope是一种与SVAC2密切相关的测量方法,T1Slope角度与C2~7Cobb角度存在正相关,对颈椎矢状位平衡方面的评估起着重要的作用;对于颈后路单开门椎管扩大成形术患者,术前有较大的T1Slope,术后有更大的发生前凸角度丢失的可能,可作为术前预判术后颈椎曲度改变的一个参数。
[Objective] To explore the relationship between T1 slope angle and cervical curvature change after posterior cervical single open- door laminoplasty. [Methods] A group of Ninty- six cases received cervical posterior single open- door laminoplasty. Preoperative T1 slope angle and C2 ~ 7Cobb angle were measured. At 12 ~ 42 months follow- up,postoperative measurement of the C2 ~ 7Cobb angle was done. Ninty- six cases of patients were divided into two groups according to preoperative T1 Slope angle： Group A（ 〉26. 07°） and Group B（ 〈26. 07°）. Then the relationship was determined between T1 Slope and preoperative and postoperative C2 ~ 7Cobb angle. [Results] There was a linear correlation and positive correlation（ r = 0. 77,P〈0. 05） between this group of patients with T1 Slope angle and C2 ~ 7Cobb angle. There was statistical significance on the tendency of Group A to have postoperative lordosis angle loss compared with Group B（ t = 7. 20,P〈0. 05）. There was no significant difference on postoperative JOA score and postoperative improvement rate between the two groups. As to postoperative Odom＇s grading,the excellent and good results rate of Group A was 57. 14% while Group B 83. 33%. And there was a significant difference between them（ x^2= 84. 96,P〈0. 05）. [Conclusion] T1 Slope is a method of measurement closely related to SVAC2,and they are positively correlated,which plays an important role on the evaluation of cervical sagittal balance. Those patients with larger preoperative T1 slope will have a bigger chance to change lordosis angle loss after accepting the posterior cervical open- door laminoplasty. Therefore,it can be used as a parameter to predict the change of postoperative cervical spine curvature.
出处
《中国矫形外科杂志》
CAS
CSCD
北大核心
2015年第15期1360-1364,共5页
Orthopedic Journal of China
关键词
T1斜坡角
颈后路手术
T1slope
posterior cervical operation
