Cervical Spine Alignment in the Sagittal Axis: A Review of the Best Validated Measures in Clinical Practice.

Global Spine Journal
Michael L MartiniJonathan J Rasouli

Abstract

Review of the best-validated measures of cervical spine alignment in the sagittal axis. Describe the C2-C7 Cobb Angle, C2-C7 sagittal vertical axis, chin-brow to vertical angle, T1 slope minus C2-C7 lordosis, C2 slope, and different types of cervical kyphosis. Search PubMed for recent technical literature on radiograph-based measurements of the cervical spine. Despite the continuing use of measures developed many years ago such as the C2-C7 Cobb angle, there are new radiographic parameters being published and utilized in recent years, including the C2 slope. Further research is needed to compare older and newer measures for cross-validation. Utilizing these measures to determine the degree of correction intraoperatively and postoperatively will enable surgeons to optimize patient-level outcomes. Cervical spinal deformity can be a debilitating condition characterized by cervical spinal misalignment that affects the elderly more commonly than young populations. Many of these validated measures of cervical spinal alignment are useful in clinical settings due to their ease of implementation and correlations with various postoperative and health-related quality of life outcomes.

References

Nov 1, 2011·Journal of Spinal Disorders & Techniques·Sang-Hun LeeEun-Seok Son
Feb 9, 2012·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Yasutsugu YukawaTakayoshi Ueta
Jun 19, 2013·Journal of Neurosurgery. Spine·Justin K ScheerUNKNOWN International Spine Study Group
Aug 15, 2015·Journal of Neurosurgery. Spine·Christopher P AmesUNKNOWN International Spine Study Group
May 6, 2016·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Kai SongYan Wang
May 17, 2017·Global Spine Journal·Minori KatoHiroaki Nakamura
Nov 30, 2018·Journal of Neurosurgery. Spine·Blake N StaubUNKNOWN International Spine Study Group
Sep 13, 2019·Spine·Themistocles S ProtopsaltisUNKNOWN International Spine Study Group

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