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| Clinical Observation on Pedicle Screw Fixation Combined with Improved Expansive Open-door Laminoplasty in Treatment of Chronic Compressive Cervical Myelopathy |
| QIN XiangYing, LIAN Xuehui, LEI Gao, et al |
| Yunnan Zhong De Department of Orthopedics Hospital, Yunnan Kunming 650200, China |
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Abstract Objective: To investigate the clinical efficacy of pedicle screw fixation combined with improved expansive open-door laminoplasty in treatment of chronic compressive cervical myelopathy. Methods: 80 patients with chronic compressive cervical myelopathy treated in our hospital from May 2015 to February 2017 were selected as research object. According to random number table, patients were divided into control group (n=40) which purely took improved expansive open-door laminoplasty; research group (n=40) which took pedicle screw fixation combined with improved expansive open-door laminoplasty. The nerve function, cervical curvature, range of motion (ROM) changes and incidence of complications after surgery for 3 months in two groups were compared. Results:After surgery for 3 months, the Japanese orthopaedic association (JOA) scores of two groups were higher than before surgery, and research group was higher than control group (P<0.05); After surgery for 3 months, the cervical curvature, ROM of two groups were lower than before surgery, but research group was higher than control group (P<0.05); After surgery, the incidence of axial symptoms of research group was lower than that of control group (P<0.05); There was no statistical difference in the incidence of added cervical instability, posterior neck myasthenia, infection compared between the two groups (P>0.05).Conclusion: Pedicle screw fixation combined with improved expansive open-door laminoplasty for treating chronic compressive cervical myelopathy has significant efficacy, which can effectively improve nerve function, reduce the loss of cervical curvature and ROM, decrease risks of postoperative complications.
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2018, Vol. 24 
