Asian Spine J.  2015 Oct;9(5):783-788. 10.4184/asj.2015.9.5.783.

Bilateral Pedicle and Crossed Translaminar Screws in C2

Affiliations
  • 1Department of Orthopaedics, Combined Neurosurgical and Orthopaedic Spine Program, University of British Columbia, Vancouver, BC, Canada. nicolas.dea@vch.ca
  • 2Royal National Orthopaedic Hospital NHS Trust, Stanmore, UK.

Abstract

Multiple techniques exist for the fixation of C2, including axial pedicle screws and bilateral translaminar screws. We describe a novel method of incorporating both the translaminar and pedicle screws within C2 to improve fixation to the subaxial spine in patients requiring posterior cervical instrumentation for deformity correction or instability. We report three cases of patients with cervical spinal instability, who underwent cervical spine instrumentation for stabilization and/or deformity correction. Bilateral C2 pedicle screws were inserted, followed by bilateral crossed laminar screws. The instrumentation method successfully achieved fixation in all three patients. There were no immediate postoperative complications, and hardware positioning was satisfactory. Instrumenting C2 with translaminar and pedicle screws is technically feasible, and it may improve fixation to the subaxial spine in patients with poor bone quality or severe subaxial deformity, which require a stronger instrumentation construct.

Keyword

Axis fixation; Subaxial fixation; C2 translaminar screws; C2 pedicle screws

MeSH Terms

Congenital Abnormalities
Humans
Postoperative Complications
Spine
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