ALTERING OF CERVICAL SAGITTAL PARAMETERS AFTER 1 OR 2 LEVELS ANTERIOR CERVICAL DISCECTOMY AND FUSION WITH LORDOTIC CAGES. SHORT TERM RESULTS.

Objective: To investigate changings of cervical sagittal parameters after anterior discectomy and fusion (ACDF) with lordosis cages. Material and methods: This study includes 55 patients with one and two levels of soft cervical disc hernia who were operated via ACDF with lordosis cage. The study is designated retrospectively. Visual analog scale (VAS) values, cervical lordosis angle, cranial slope and Ctilt were evaluated preoperatively and postoperatively at some certain periods. Changings of these parameters compared statistically. Correlation between VAS values and sagittal parameters were investigated statistically. Results: No statistically significant differences were found between preoperative and postoperative sagittal parameters. Statistical analysis showed that change of VAS values is significant for every level and two levels disk hernia for all postoperative follow-up times (p?0.001). Conclusions: Restoration of cervical sagittal parameters measurements come closer those of normal population values after surgery. However, these changings were not statistically significant. The clinical results of surgical treatment of cervical disc disease generally come before radiological improvement like other areas of spinal surgery. It is expected that statistically significant results can be obtained from long term follow-ups since these parameters approaching the values of normal population in the early postoperative period.

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