CenterpieceTM微型钢板在颈椎单开门椎管扩大成形术中的应用-附14例报告

目的　评价应用CenterpieceTM微型钢板固定单开门椎管扩大成形术的疗效。 方法　采用改良单开门手术，C3、C5、C7椎板开门侧行CenterpieceTM微型钢板固定椎管扩大成形术治疗14例脊髓型颈椎病患者。 结果　随访6个月～2年，平均13.6个月。JOA评分由术前的(11.1±0.78)分提升为　(15.3±1.12)分（P<0.05），术后复查CT及MRI提示椎管显著扩大、脊髓减压，随访期间无一例发生内固定物松脱、门轴侧椎板内陷及再“关门”现象，术后2个月时仅有2例存在颈部轻微疼痛、僵硬感，术后半年复查症状消失。 结论 CenterpieceTM微型钢板固定单开门椎管扩大成形术治疗是治疗脊髓型颈椎病安全有效的术式，门轴固定牢固，能显著减少再关门现象及轴性症状。

Clinical application of expansive open-door laminoplasty using CenterpieceTM titanium miniplate:an analysis of 14 cases

Objective To evaluate the clinical outcome of expansive open-door laminoplasty using Centerpiece Titanium Miniplate internal fixation.Methods 14 cases with cervical spondylotic myelopathy(CSM) underwent expansive open-door laminoplasty,and CenterpieceTM plate internal fixation in C3,C5 and C7 segments.Neurological deficits pre-and post-operation were assessed using a scoring system proposed by Japanese Orthopaedic Association(JOA score).Results The period of follow-up lasted from 6 months to 2 years with a mean of 13.6 months.The JOA score were improved from 11.1 points pre-operation to 15.3 points at the latest follow-up(P<0.05).Reclosed open-door was not found.There were 2 cases had slight axial symptoms like neck pain and neck movement two months after the operation,and released when six months follow-up.Conclusions Expansive open-door laminoplasty is a reliable procedure for CSM.Centerpiece TM plate internal fixation may be an effective measure to prevent reclosed open-door and postoperative axial syndromes.