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1.
Article in Chinese | WPRIM | ID: wpr-905104

ABSTRACT

Objective:To observe the efficacy of laminoplasty with reconstructing of cervical extensor attachment on cervical spondylotic myelopathy (CSM) involving C2 segment. Methods:From March, 2014 to January, 2017, 46 cases with CSM involving C2 accepted surgery in our hospital. They were divided into two groups according to the surgical methods. Control group (n = 21) accepted traditional laminoplasty, while observation group (n = 25) accepted laminoplasty with extensor muscle attachment point reconstruction. They were assessed with Japanese Orthopaedic Association (JOA) spinal scores, cervical range of motion (ROM), cervical curvature, areas of posterior cervical muscles and axial symptoms. Results:There was no significant difference at operative time and intraoperative blood loss (t < 0.863, P > 0.05) between groups. After surgery, the JOA score increased in both groups (F > 24.961, P < 0.001), but there was no significant difference between two groups (t < 0.282, P > 0.05). ROM varied little in both groups (F < 0.931, P > 0.05). The cervical neutral position curvature decreased in the control group (F = 8.241, P < 0.01), but not in the observation group (F = 2.705, P > 0.05). The areas of posterior muscle decreased in control group (t = 2.678, P < 0.05), but not in the observation group (t = 0.854, P > 0.05). The incidence of axial symptoms was less in the observation group than in the control group (Z = -2.192, P < 0.05). Conclusion:Laminoplasty could relieve the spinal compression at C2 segment and promote the recovery of neurological function, and it can do better in cervical curvature and posterior cervical muscle atrophy as combination with reconstruction of extensor muscle attachment, to reduce the axial symptoms.

2.
Article in Chinese | WPRIM | ID: wpr-702514

ABSTRACT

@#Objective To observe the effect of limited laminectomy combined with foraminal stenosis decompression on preventing C5nerve root palsy and improving neurological function. Methods From March,2014 to May,2016,69 patients with multi-segment cervical spondylotic myelopathy underwent surgical treatment in our hospital were included.Thirty-eight patients(group A)were treated with limited lami-nectomy combined with foraminal stenosis decompression and internal fixation,and 31 patients(group B)under-went routine laminectomy and internal fixation.The postoperative neurological recovery rate,cervical curvature index(CCI)and C5palsy rate were recorded and analyzed. Results No spinal cord and nerve injury occurred during the operation.The width of laminectomy was(16.8±2.1)mm in group A,and was significantly less than(21.7±2.5)mm in group B(t=8.849,P<0.001).There was no significant difference in operation time and intraoperative blood loss between two groups(t<0.439,P>0.05).The Japanese Orthopaedic Association (JOA) score increased continuously after surgery in both groups (F>42.996, P<0.05), and no significant difference was found between them at each time point(t<1.021,P>0.05).The cervical curva-ture index improved after surgery(F>86.379,P<0.05),and no significant difference was found between them at each time point(t<0.943,P>0.05).The spinal cord drift distance was(3.6±0.7)mm in group A,and ws signifi-cantly shorter than(2.5±0.5)mm in group B(t=7.602,P<0.001).There was no significantly difference in the neu-rological recovery rate between two groups(t=0.724,P=0.471).The C5palsy rate was lower in group A(5.2%,2/38)than in group B(22.5%,7/31)(χ2=4.514,P=0.034). Conclusion Limited laminectomy combined with foraminal stenosis decompression could relieve the spinal cord com-pression and restrict the excessive back drift, promote the neurological function recovery and reduce the inci-dence of C5palsy.

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