Abstract
Introduction
Spinal surgery of degenerative painful segments is a valuable treatment option in the management of chronic cervical and low back pain. The surgery consists in stabilizing and fusing painful vertebral segment(s). The objective of the study was to report our experience with 45S5 bioactive glass (BAG) to obtain inter-vertebral fusion in the context of posterior spine surgery.
Material and method
In this retrospective study, 30 patients with a wide range of degenerative and traumatic conditions of the cervical or lumbar spine underwent spinal fusion utilizing a synthetic bone graft substitute of BAG (GlassBone™, Noraker, Lyon-Villeurbanne, France). The pain was evaluated by VAS score, and graft consolidation was assessed on according radiographic images at 1-year post-op.
Results
All patients underwent posterior spinal fusion either in the cervical or the thoraco-lumbar spine. Multi-level fusions represented the majority of the cohort (43% of patients with more than seven levels treated). Radiographic imaging demonstrated excellent fusion rates (93%) at final follow-up, equivalent to the outcomes reported in the literature for autogenous bone, with excellent bone bridging and no spinal implant loosening. Only two cases of non-union were encountered. Additionally, 90% of the patients demonstrated recovery at 1 year after surgery with a pain reduction of 60%.
Conclusion
The results of this retrospective study suggest that the 45S5 BAG may be an interesting alternative option to autologous graft, in terms of safety and bone fusion efficiency.
Level of evidence
IV Retrospective study
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Acknowledgements
The authors would like to thank Dr. Anthony L. B. Maçon and Ms Charlène Fort for their assistance in the revision of this paper.
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It shall be mention that no funds were received in support of this study, and no benefits in any form have been and will be received from Noraker directly or indirectly towards the subject of this manuscript.
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Barrey, C., Broussolle, T. Clinical and radiographic evaluation of bioactive glass in posterior cervical and lumbar spinal fusion. Eur J Orthop Surg Traumatol 29, 1623–1629 (2019). https://doi.org/10.1007/s00590-019-02477-5
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DOI: https://doi.org/10.1007/s00590-019-02477-5