Impact of dynamic alignment, motion, and center of rotation on myelopathy grade and regional disability in cervical spondylotic myelopathy

Journal of Neurosurgery. Spine
Shian LiuChristopher P Ames

Abstract

Cervical stenosis is a defining feature of cervical spondylotic myelopathy (CSM). Matsunaga et al. proposed that elements of stenosis are both static and dynamic, where the dynamic elements magnify the canal deformation of the static state. For the current study, the authors hypothesized that dynamic changes may be associated with myelopathy severity and neck disability. This goal of this study was to present novel methods of dynamic motion analysis in CSM. A post hoc analysis was performed of a prospective, multicenter database of patients with CSM from the AOSpine North American study. One hundred ten patients (34%) met inclusion criteria, which were symptomatic CSM, age over 18 years, baseline flexion/extension radiographs, and health-related quality of life (HRQOL) questionnaires (modified Japanese Orthopaedic Association [mJOA] score, Neck Disability Index [NDI], the 36-Item Short Form Health Survey Physical Component Score [SF-36 PCS], and Nurick grade). The mean age was 56.9 ± 12 years, and 42% of patients were women (n = 46). Correlations with HRQOL measures were analyzed for regional (cervical lordosis and cervical sagittal vertical axis) and focal parameters (kyphosis and spondylolisthesis between adjacent vertebrae) ...Continue Reading

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Citations

Dec 28, 2017·Asian Spine Journal·John Paul KolcunMichael Y Wang
Jul 9, 2020·The New England Journal of Medicine·Nicholas Theodore
Sep 24, 2020·Journal of Orthopaedic Surgery and Research·Jia LiYong Shen
Oct 7, 2020·Neurospine·Sang Hun LeeAmit Jain
Feb 15, 2021·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Hyeongseok JeonYoon Ha
Nov 28, 2017·Neurosurgery Clinics of North America·Thomas J BuellJustin S Smith
Nov 19, 2021·British Journal of Neurosurgery·Yuri HirayamaMark R N Kotter

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Methods Mentioned

BETA
imaging techniques

Clinical Trials Mentioned

NCT00285337

Software Mentioned

SPSS
SpineView
MATLAB

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