Radiological analysis of 37 segments in cervical spine implanted with a peek stand-alone device, with at least one year follow-up

British Journal of Neurosurgery
Thierry DufourThierry Vila

Abstract

High incidence of subsidence in cervical stand-alone cages was reported in the literature. The goal of this study was to assess the radiological outcomes of a PEEK anchored stand-alone cage (MC+®) with a minimum of 1 year follow-up. A retrospective radiological evaluation. The study was conducted in 4 hospitals and involved 28 patients (37 levels) treated by ACDF (Anterior Cervical Discectomy and Fusion) for spondylotic radiculopathy and/or myelopathy. We analyzed fusion, disc height, cage or anchor micro plate migration, discal and segmental lordosis and subsidence. All the patients were controlled at least one year after surgery with an average of 31 months. Antero-posterior and lateral X-rays were performed pre-operatively, immediate post-operatively, and at final follow up. The different radiographic measurements were performed with the assistance of software (SpineView®). CT-scans were performed for each case at final follow-up to assess the fusion. No migration or breakage was reported for either the cage or the anchor micro plate. The fusion rate was 94.1% at the final follow-up. No subsidence was observed. The disc height increased between preop and final follow-up from 23.3% to 44.3%, from 22.1% to 35.1% and from 38.3%...Continue Reading

References

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Citations

Jul 21, 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·Mootaz ShoushaHeinrich Boehm
Apr 10, 2013·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·Yu ChenDeyu Chen
Jul 1, 2012·Journal of Craniovertebral Junction and Spine·Manish K Kasliwal, John E O'toole
Feb 23, 2018·Acta neurochirurgica·Iris NoordhoekCarmen L A Vleggeert-Lankamp
Apr 3, 2018·Clinical Spine Surgery : a Spine Publication·Theodore J SteelmanDavid E Gwinn
Jul 25, 2020·Global Spine Journal·Amit JainUNKNOWN AOSpine Knowledge Forum Degenerative

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