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| NONG Luming,ZHOU Dong,XU Nanwei.The mid-term results of cervical disc replacement for cervical spine myolopathy[J].Chinese Journal of Spine and Spinal Cord,2010,20(7):567-571. |
| The mid-term results of cervical disc replacement for cervical spine myolopathy |
| Received:March 29, 2010 Revised:May 14, 2010 |
| English Keywords:Degenerative cervical disc disease Cervical disc replacement Therapeutic effect |
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| English Abstract: |
| 【Abstract】 Objective：To investigate the mid-term clinical and radiological outcome of cervical disc replacement.Method：Twenty-four patients（31 discs） including 21 cases（28 discs） of spondylotic myelopathy and 3 cases（3 discs） of spondylotic radiculopathy undergoing artificial cervical disc replacement（12 Bryan discs and 19 Prodisc-C discs） from October 2004 to February 2008 were reviewed retrospectively.The follow-up was from 24 to 65 months with an averge of 39 months.X-ray，JOA score and Oswestry neck disability index（ONDI） were used to evaluate the outcome during following-up.Result：1 patient was noted to have bone bridging at anterior site of surgical segment which resulted in the loss of ROM 10 month later，while segment stability and cervical alignment were kept in other patients with no prosthesis subsidence and displacement. The postoperative JOA score and ONDI at 1 month and 2 years showed statistical significance（P<0.01）compared with those of preoperative，but no statistical significance（P＞0.01） were noted between each postoperative time point.The postoperative flexion-extension and lateral bending ROM of either surgical segment or adjacent segments showed no difference with preoperative counterparts（P＞0.01），and the same for each postoperative time points（P＞0.01）.Conclusion：It is a good mid-term outcome for artifical cervical disc replacement.At least 5 years of followed up time should be needed to assess the long term functionality of the prosthesis and the influence on adjacent levels. |
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