Posterior hybrid technique for ossification of the posterior longitudinal ligament associated with segmental instability in the cervical spine

Journal of Spinal Disorders & Techniques
Yu ChenFengbin Yu

Abstract

Retrospective case series. To discuss the indications for a posterior hybrid technique for ossification of the posterior longitudinal ligament (OPLL) associated with segmental instability in the cervical spine and evaluate its effectiveness and safety. Dynamic factors have been shown to play an important role in the progression of ossification and OPLL myelopathy. Laminoplasty has been widely used to treat cervical OPLL, but progressive kyphosis and progression of ossified lesions are often detected in long-term follow-up. Fifteen patients were treated by a posterior hybrid technique including laminoplasty and lateral mass screw fixation at unstable levels. Preoperatively, the extent and type of OPLL, spinal cord compression, and presence of high-intensity zones were investigated by x-ray, computed tomography, and magnetic resonance imaging. Segmental instability in the cervical spine was investigated by dynamic x-ray. Postoperatively, clinical outcomes were evaluated with the Japanese Orthopedic Association scoring system and visual analog scale scores for neck pain. Radiologic results included cervical alignment and progression of OPLL. A total of 17 intervertebral levels in 15 patients (11 mixed-type and 4 continuous-type OP...Continue Reading

Citations

Aug 19, 2015·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·Fenyong ShouChi Xiao
Apr 25, 2015·Journal of Neurosurgery. Spine·Stephan DuetzmannJohn K Ratliff
Oct 26, 2016·The Spine Journal : Official Journal of the North American Spine Society·Shota TakenakaNoboru Hosono
Oct 8, 2017·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Ioannis D GelalisAnastasios V Korompilias

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