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| Observation on Clinical Effect on Single Open Door Laminoplasty with Arch Plate Fixation in the treatment of Cervical Spondylotic Myelopathy |
| DUAN Xiaofeng, YAN Feng, YU Xiaoming, et al |
| Beijing Fengtai Hospital,Beijing 100070,China |
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Abstract Objective: To compare the clinical efficacy of arch plate and lateral mass screw suspension fixation in posterior cervical open-door laminoplasty.Methods: 86 patients with cervical spondylotic myelopathy treated by posterior open-door laminoplasty from January 2013 to February 2018 were retrospectively analyzed.The operation mode was arch plate fixation as the observation group (n=43),and the lateral mass screw suspension fixation was set as the control group (n=43).The patients in the two groups were followed up for 12 months,and the differences of clinical effects between the two methods were compared by observing the operation time,bleeding volume,JOA score,Pavlov value,incidence of axial symptoms and other indicators.Results: Compared with the control group,there was no significant difference in the average operation time and the average intraoperative blood loss in the observation group (P>0.05).The results of intra group comparison showed that JOA score and Pavlov value at different time points after operation were significantly higher than those before operation (P<0.05).There was no significant difference in JOA score and Pavlov value at 3 days,3 weeks,3 months and 12 months after operation in the observation group (P>0.05).The results of inter group comparison showed that JOA of observation group at 3 days,3 weeks,3 months and 12 months after operation was statistically significant.The score and Pavlov value of the observation group were higher than those of the control group,and the difference was statistically significant (P<0.05);the incidence of postoperative axial symptoms in the observation group was lower than that in the control group,and the difference was statistically significant (P<0.05).Conclusion: Arch plate fixation is used in posterior cervical spinal canal enlargement,which has high fixation strength and satisfactory clinical effect.It can reduce the occurrence of re closing and axial symptoms after operation,which is worthy of popularization and application.
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2020, Vol. 26 
