• World Neurosurg · Apr 2020

    The Magnetic Resonance Imaging Research of Thoracic Inlet Parameters at Cervical and Cervicothoracic Spine in Degenerative Cervical Spondylosis.

    • Wanli Li, Fangcai Li, Xiaobo Yang, Shunjie Yu, Weishan Chen, and Qixin Chen.
    • Department of Orthopedics Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, People's Republic of China. Electronic address: liwanli@zju.edu.cn.
    • World Neurosurg. 2020 Apr 1; 136: e586-e592.

    ObjectiveThe purpose of this study was to examine the thoracic inlet angle (TIA) and its related parameters in the cervical and cervical-thoracic vertebrae in patients with degenerative cervical spondylosis (DCS) and explore the association of the TIA, tilt angle of the neck, and tilt angle of the first thoracic spine with the cervical degeneration score.MethodsPatients with DCS were included from January 2014 to December 2017. The relevant parameters were assessed on T2-weighted magnetic resonance imaging. The association of cervical parameters with the cervical degeneration score was examined by multiple linear regression model.ResultsA total of 204 patients (126 men) were eligible and enrolled, with a mean age of 55-56 years. Men had significantly higher thoracic inlet parameters than women (all P < 0.05). Thoracic inlet parameters were positively correlated with age (all P < 0.05). After adjustment for age and sex, the significant association between the TIA and cervical or cervical-thoracic spine degeneration scores was not observed in all vertebrae. Meanwhile, men had higher vertebral height (VH) and intervertebral disk height (IVDH) than women. Only the VHs of C7, T1, and T2 and the IVDHs of C6-7, T1-2, and T2-3 were significantly and positively associated with the TIA (all P < 0.05).ConclusionsAge was positively correlated with thoracic inlet parameters in patients with DCS. Men had significantly higher thoracic inlet parameters than women because the men had higher VHs and IVDHs. However, the TIA was not associated with the level of cervical disk degeneration. The clinical relevance of these findings has not been established.Copyright © 2020 Elsevier Inc. All rights reserved.

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