| ABSTRACT Objective:To investigate the clinical effect of double-door laminoplasty combined with C2 dome decompression in treatment of cervical spinal stenosis.Methods:Retrospective analysis was conducted in 28 cervical spinal stenosis patients with C2-C3 spinal stenosis undergoing double-door laminoplasty combined with C2 dome decompression from June 2016 to June 2018,including 17 males and 11 females. Age 39-74 years, average 61士6.7 years. According to the postoperative clinical efficacy, preoperative and postoperative imaging data, JOA score, axial symptoms, cervical spine activity, cervical spinal cord compression degree and other aspects were evaluated.Results:All patients were followed up for 6-12 months (mean 10.2 months).The JOA score in the last follow-up was significantly higher than that before surgery(P<0.05).The range of motion before and after surgery was respectively (41.8±15.3)°,(36.3±18.2)°,there was no significant difference (P > 0.05).After operation, sagittal diameter at the narrowest level of C2-3 spinal canal was 16.20±1.82mm，which was significantly higher than 8.38±1.16mm before operation(P<0.05).There were 24 patients without axial symptoms and 4 patients with axial symptoms,the incidence was 14.29%.Conclusion:Double-door laminoplasty combined with C2 dome decompression can directly expand C2-3 vertebral canal volume,relieve spinal cord and nerve root compression, minimize the damage of the posterior cervical ligament complex,maintain the stability of cervical spine sequence,reduce postoperative axial symptoms.The operation is relatively simple, without internal fixation, the?effect?of?satisfaction. |
