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Correlation Among Syrinx Resolution, Cervical Sagittal Realignment, and Surgical Outcome After Posterior Reduction for Basilar Invagination, Atlantoaxial Dislocation, and Syringomyelia

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机构: [1]Division of Spine, Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China. [2]Neurospine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China. [3]Research Center of Spine and Spinal Cord, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China. [4]Lab of Spinal Cord Injury and Functional Reconstruction, CHINA-INI, Xuanwu Hospital, Capital Medical University, Beijing, China. [5]National Center for Neurological Disorders, Beijing, China.
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关键词: Occipitoaxial sagittal alignment Syringomyelia Basilar invagination Atlantoaxial dislocation Posterior reduction

摘要:
The correlation among syrinx resolution, occipitoaxial sagittal alignment, and surgical outcome in long-term follow-up seems to have not been clarified.To further explore the relationship between the syrinx resolution and occipitoaxial realignment after posterior reduction and fixation in basilar invagination (BI)-atlantoaxial dislocation (AAD) patients with syringomyelia.A continuous series of 32 patients with BI-AAD and syringomyelia who received direct posterior reduction met the inclusion criteria of this study. Their clinical and imaging data were analyzed retrospectively. Before surgery and at the last follow-up, we used the Japanese Orthopedic Association (JOA) score and the Neck Disability Index (NDI) to assess the neurological status, respectively. The Pearson correlation coefficient and multiple stepwise regression analysis were used to explore the relevant factors that may affect surgical outcomes.There were significant differences in atlantodental interval, clivus-axial angle, occiput-C2 angle (Oc-C2A), cervicomedullary angle (CMA), subarachnoid space (SAS) at the foramen magnum (FM), syrinx size, NDI, and JOA score after surgery compared with those before surgery. ΔCMA and the resolution rate of syrinx/cord as relevant factors were correlated with the recovery rate of JOA (R2 = 0.578, P < .001) and NDI (R2 = 0.369, P < .01). What's more, ΔSAS/FMD (SAS/FM diameter) and ΔOc-C2A were positively correlated with the resolution rate of syrinx/cord (R2 = 0.643, P < .001).With medulla decompression and occipital-cervical sagittal realignment after posterior reduction and fusion for BI-AAD patients with syringomyelia, the structural remodeling of the craniovertebral junction and occipitoaxial realignment could contribute to syringomyelia resolution.Copyright © Congress of Neurological Surgeons 2023. All rights reserved.

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出版当年[2022]版:
大类 | 3 区 医学
小类 | 3 区 外科 4 区 临床神经病学
最新[2023]版:
大类 | 4 区 医学
小类 | 4 区 临床神经病学 4 区 外科
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出版当年[2021]版:
Q2 SURGERY Q3 CLINICAL NEUROLOGY
最新[2023]版:
Q2 SURGERY Q3 CLINICAL NEUROLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2021版] 出版当年五年平均 出版前一年[2020版] 出版后一年[2022版]

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第一作者机构: [1]Division of Spine, Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China. [2]Neurospine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China. [3]Research Center of Spine and Spinal Cord, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China. [4]Lab of Spinal Cord Injury and Functional Reconstruction, CHINA-INI, Xuanwu Hospital, Capital Medical University, Beijing, China. [5]National Center for Neurological Disorders, Beijing, China.
通讯作者:
通讯机构: [1]Division of Spine, Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China. [2]Neurospine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China. [3]Research Center of Spine and Spinal Cord, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China. [4]Lab of Spinal Cord Injury and Functional Reconstruction, CHINA-INI, Xuanwu Hospital, Capital Medical University, Beijing, China. [5]National Center for Neurological Disorders, Beijing, China. [*1]China International Neuroscience Institute (CHINA-INI), Xuanwu Hospital, Capital Medical University, 45 Changchun St, Xicheng District, Beijing 100053, China [*2]China International Neuroscience Institute (CHINA-INI), Xuanwu Hospital, Capital Medical University, 45 Changchun St, Xicheng District, Beijing 100053, China
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