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Background: Cervical spondylotic myelopathy(CSM) is a common disease in neurosurgery. Aim and objectives: To compare multilevel cervical laminectomy with and without lateral mass fixation in patients with CSM and the value of each in post-operative rehabilitation. Patients and methods: This is retrospective study that included 30 patients with cervical spondylotic myelopathy who were admitted to Minia University Hospital between June 2021 and January 2023. Patients were divided into two groups. Group (A)included 15 patients who underwent posterior laminectomy, and group( B) included 15 patients who underwent posterior decompression with lateral mass fixation. Results: The mean age was 55.27 years in posterior laminectomy and 53.67 In posterior laminectomy with lateral mass fixation. There was a statistically significant difference between the studied groups regarding Myelopathy score after 6 months of follow-up (P=0.04). Posterior laminectomy patients with lordotic/straightening/kyphotic sagittal alignment showed no statistically significant difference in Cobb's angle preoperative and postoperative. In posterior laminectomy with lateral mass fixation, patients with lordotic sagittal alignment showed no statistically significant difference in Cobb's angle preoperative and postoperative. Patients with straightening / kyphotic curve showed a statistically significant difference in mean Cobb's angle. Conclusion: Regarding our results, we concluded that in posterior cervical laminectomy with lateral mass fixation group , there was a statistical significance between preoperative and postoperative Cobb's angle for patients with straightening or kyphotic curve, while there was no statistically significant difference between preoperative and postoperative cobb's angle for patients with straightening or kyphotic curve in posterior cervical laminectomy without lateral mass fixation group.
Moawad et al. (Mon,) studied this question.