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C2-C3 椎间盘角:颈椎病脊髓病患者与无颈椎病脊髓病患者的分析。

C2-C3 vertebral disc angle: An analysis of patients with and without cervical spondylotic myelopathy.

机构信息

Université de Montréal, Montréal, Canada.

Université de Montréal, Montréal, Canada.

出版信息

Neurochirurgie. 2021 Jul;67(4):346-349. doi: 10.1016/j.neuchi.2021.02.013. Epub 2021 Mar 20.


DOI:10.1016/j.neuchi.2021.02.013
PMID:33757775
Abstract

STUDY DESIGN: Retrospective analysis. OBJECTIVE: To define C2-C3 vertebral disc angle (VDA) in patients with and without cervical spondylotic myelopathy. SUMMARY OF BACKGROUND DATA: C2-C3 VDA is a new radiological index of cervical spine alignment. Recent studies have suggested that high postoperative values are associated with greater mechanical complications in patients with cervical spondylotic myelopathy. However, normative values for patients without myelopathy has yet to be defined. METHODS: Patients with and without cervical myelopathy between 2017 and 2019 were included. Inclusion criteria were patients above 18 years of age with antero-posterior (AP) and lateral (LAT) cervical X-rays. In the non-myelopathic group, patients were excluded if they had neurological symptoms or deficits, presence of cervical axial pain, previous spinal surgery, or diagnosis of either spondylolisthesis or scoliosis. In the myelopathic group, patients were excluded if they had previous spinal surgery. Radiological indices evaluated include: C2-C3 disc angle, C2-C7 Cobb angle, C7 sagittal vertical axis, T1 slope. RESULTS: In total, 99 patients without myelopathy and 22 patients with myelopathy were identified and analyzed. In patients without myelopathy, the mean for C2-C3 VDA was 25.9±7.9. For patients with myelopathy, preoperative values were 24.4±10.0 and 27.1±7.9 postoperatively. No statistically significant differences were found between patients with and without myelopathy. C2-C3 disc angle was not correlated with age (R=-0.173). CONCLUSION: This study did not find statistically significant differences in C2-C3 VDA values between patients with and without cervical myelopathy. This study provides normative data for C2-C3 vertebral disc angle in patients with and without cervical spondylotic myelopathy. Furthermore, C2-C3 vertebral disc angle may be independent from age.

摘要

研究设计:回顾性分析。 目的:确定伴有和不伴有颈椎病脊髓病的患者的 C2-C3 椎间隙角(VDA)。 背景资料总结:C2-C3 VDA 是颈椎排列的新的影像学指标。最近的研究表明,颈椎病脊髓病患者术后高值与更大的机械并发症有关。然而,尚无针对无脊髓病患者的正常值定义。 方法:纳入 2017 年至 2019 年期间伴有和不伴有颈椎脊髓病的患者。纳入标准为年龄在 18 岁以上的患者,有前后位(AP)和侧位(LAT)颈椎 X 线片。在非脊髓病组中,排除有神经症状或神经功能缺损、存在颈椎轴向疼痛、有先前脊柱手术或诊断为脊椎滑脱或脊柱侧凸的患者。在脊髓病组中,排除有先前脊柱手术的患者。评估的影像学指标包括:C2-C3 椎间盘角、C2-C7 Cobb 角、C7 矢状垂直轴、T1 斜率。 结果:共确定并分析了 99 例无脊髓病患者和 22 例脊髓病患者。在无脊髓病患者中,C2-C3 VDA 的平均值为 25.9±7.9。脊髓病患者的术前值为 24.4±10.0,术后值为 27.1±7.9。有和无脊髓病患者之间无统计学显著差异。C2-C3 椎间盘角与年龄无相关性(R=-0.173)。 结论:本研究未发现伴有和不伴有颈椎病脊髓病患者的 C2-C3 VDA 值存在统计学显著差异。本研究为伴有和不伴有颈椎病脊髓病患者的 C2-C3 椎间隙角提供了正常值。此外,C2-C3 椎间盘角可能与年龄无关。

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引用本文的文献

[1]
A Systematic Review of Current Terminology for Conditions Preceding Degenerative Cervical Myelopathy: Evidence Synthesis to Inform an AO Spine Expert Opinion Statement.

Global Spine J. 2025-4-30

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