不同侧弯类型青少年特发性脊柱侧凸患者齿突参数分析
Analysis of odontoid parameters in adolescent idiopathic scoliosis patients with different curve types.
作者信息
Li Kelin, Huang Longao, Xiao Qiongrun, Chen Weiyou, Du Yuwang, Jiang Hua
机构信息
Department of Spine Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China.
出版信息
Front Pediatr. 2024 Aug 27;12:1424313. doi: 10.3389/fped.2024.1424313. eCollection 2024.
INTRODUCTION
Odontoid incidence (OI) is an important parameter that has recently been developed. However, there are currently no studies on OI in adolescent idiopathic scoliosis (AIS) patients. We aimed to examine the significance of OI in describing cervical sagittal alignment in AIS patients, explore the differences in cervical sagittal parameters among these patients with different curve types, and investigate the correlations between coronal deformity and cervical sagittal parameters in AIS patients.
METHODS
The whole-spine anteroposterior and lateral plain radiographs of AIS patients were retrospectively analyzed. The parameters, including OI, odontoid tilt (OT), C2 slope, cervical lordosis (CL), T1 slope (T1S), and others, were measured. The AIS patients were grouped based on different curve types. Measurement parameters were compared between different groups. Pearson correlation analysis was performed for cervical sagittal parameters and Cobb angle.
RESULTS
Ninety AIS patients were included, consisting of 14 males and 76 females. The main thoracic curve group exhibited a smaller OI compared to the main thoracolumbar/lumbar curve group ( < 0.05). In the AIS patients with a main thoracic curve, there was a significant correlation between Cobb angle and OI (r = -0.371, < 0.01). The odontoid parameters exhibited significant correlations with several classic cervical sagittal parameters in AIS patients with different curve types. The validation of the formula CL = 0.36 × OI-0.67 × OT-0.69 × T1S showed a significant correlation (correlation coefficient = 0.917) between the actual measurements and the predicted values, with a determination coefficient of 0.842.
CONCLUSION
There may be a difference in OI between AIS patients with a main thoracic curve and those with a main thoracolumbar/lumbar curve. Odontoid parameters could be used to describe cervical sagittal alignment in AIS patients with different curve types.
引言
齿突发生率（OI）是最近提出的一个重要参数。然而，目前尚无关于青少年特发性脊柱侧凸（AIS）患者OI的研究。我们旨在探讨OI在描述AIS患者颈椎矢状位排列中的意义，探究不同曲线类型的这些患者颈椎矢状位参数的差异，并研究AIS患者冠状位畸形与颈椎矢状位参数之间的相关性。
方法
回顾性分析AIS患者的全脊柱前后位和侧位平片。测量包括OI、齿突倾斜度（OT）、C2斜率、颈椎前凸（CL）、T1斜率（T1S）等参数。AIS患者根据不同曲线类型分组。比较不同组之间的测量参数。对颈椎矢状位参数和Cobb角进行Pearson相关分析。
结果
纳入90例AIS患者，其中男性14例，女性76例。与主要胸腰段/腰段曲线组相比，主要胸段曲线组的OI较小（<0.05）。在主要为胸段曲线的AIS患者中，Cobb角与OI之间存在显著相关性（r = -0.371，<0.01）。在不同曲线类型的AIS患者中，齿突参数与几个经典的颈椎矢状位参数存在显著相关性。公式CL = 0.36×OI - 0.67×OT - 0.69×T1S的验证显示，实际测量值与预测值之间存在显著相关性（相关系数 = 0.917），决定系数为0.842。
结论
主要为胸段曲线型的AIS患者与主要为胸腰段/腰段曲线型的AIS患者之间的OI可能存在差异。齿突参数可用于描述不同曲线类型的AIS患者的颈椎矢状位排列。
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