Modified open-door laminoplasty with steel implantation and bilateral semispinalis reduces axial symptoms and the loss of cervical curvature

doi:10.3969/j.issn.2095-4344.2016.13.007

Abstract

Abstract:

BACKGROUND: Cervical single-door laminoplasty for chronic compressive myelopathy has obtained exact effects. To reduce the occurrence of related complications, different doctors have proposed different improvement programs, and have achieved a certain effect, but the effect on postoperative complications is not very well.
OBJECTIVE: To evaluate the effect of modified open-door laminoplasty with steel implantation and preservation of bilateral semispinalis.
METHODS: We retrospectively analyzed the data of 30 cases of multilevel cervical spondyiotic myelopathy who underwent modified open-door laminoplasty from October 2013 to March 2014. Internal fixation material was Centerpiece titanium plate fixation system. Visual Analogue Scale score, Japanese Orthopaedic Association score (17-score method), neck disability index, range of motion of cervical vertebra, and cervical curvature were compared before treatment and during follow-up. Axial symptom severity was assessed after treatment.
RESULTS AND CONCLUSION: The patients were followed up for 12-24 months. No complications appeared during repair, including postoperative spinal cord injury, cerebrospinal fluid leakage, infection or C5 nerve root palsy. Only one patient suffered from axial pain, but there was no need for oral medication. The improvement rate of Japanese Orthopaedic Association score was (76.96±17.61)%. Neck disability index decreased from 12.29±3.82 preoperatively to 8.24±2.86 in final follow-up. Range of motion of cervical vertebra (47.41±17.33)° in final follow-up, accounting for (93.0±4.2)% of preoperative data. Cervical curvature decreased from (13.47±10.54)° preoperatively to (12.88±8.56)° in final follow-up. These findings confirm that modified open-door laminoplasty with preservation of bilateral semispinalis can reserve cervical rear structure to maximum extent, is conducive to early functional exercise after rehabilitation, and reduces the incidence of axial symptoms and loss of cervical curvature.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

An Zhong-cheng, Cao Rui, Sheng Wei-bin, Liang Wei-dong, Sheng Jun. Modified open-door laminoplasty with steel implantation and bilateral semispinalis reduces axial symptoms and the loss of cervical curvature[J]. Chinese Journal of Tissue Engineering Research, 2016, 20(13): 1873-1879.

Figures/Tables 3

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