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.
TIAN Jin-hui
,
LI Zhi-yuan
,
LIU Fa-jing
,
LIU Bing-zhi
,
LI Xiao-dong
,
MIAO Jie
. Effect of Laminoplasty with Reconstructing of Cervical Extensor Attachment on Cervical Spondylotic Myelopathy Involving C2 Segment[J]. Chinese Journal of Rehabilitation Theory and Practice, 2019
, 25(2)
: 224
-229
.
DOI: 10.3969/j.issn.1006-9771.2019.02.018
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