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The Bone & Joint Journal
Vol. 103-B, Issue 4 | Pages 734 - 738
1 Apr 2021
Varshneya K Jokhai R Medress ZA Stienen MN Ho A Fatemi P Ratliff JK Veeravagu A

Aims

The aim of this study was to identify the risk factors for adverse events following the surgical correction of cervical spinal deformities in adults.

Methods

We identified adult patients who underwent corrective cervical spinal surgery between 1 January 2007 and 31 December 2015 from the MarketScan database. The baseline comorbidities and characteristics of the operation were recorded. Adverse events were defined as the development of a complication, an unanticipated deleterious postoperative event, or further surgery. Patients aged < 18 years and those with a previous history of tumour or trauma were excluded from the study.


The Bone & Joint Journal
Vol. 95-B, Issue 2 | Pages 206 - 209
1 Feb 2013
Samartzis D Modi HN Cheung KMC Luk KDK

Ankylosing spondylitis (AS) is a progressive multisystem chronic inflammatory disorder. The hallmark of this pathological process is a progressive fusion of the zygapophyseal joints and disc spaces of the axial skeleton, leading to a rigid kyphotic deformity and positive sagittal balance. The ankylosed spine is unable to accommodate normal mechanical forces, rendering it brittle and susceptible to injury. Traumatic hyperextension injury of the cervical spine leading to atlantoaxial subluxation (AAS) in AS patients can often be fatal. We report a non-traumatic mechanism of injury in AS progressing to AAS attributable to persistent hyperextension, which resulted in fatal migration of C2 through the foramen magnum.

Cite this article: Bone Joint J 2013;95-B:206–9.