Abstract:Objective To compare the clinical efficacy of Mobi-C artificial disc replacementand anterior cervical discectomyand fusion with ROI-C in treatingsingle-level cervical spondylosis.Methods From March 2016 to September 2017,a total of 35 patients with the cervical spondylosis was treated with Mobi-C artificial disc replacementand anterior cervical discectomyand fusion with ROI-C in our department.they were divided into Mobi-C artificial disc replacement (groupA,15 cases)and anterior cervical discectomyand fusion with ROI-C (groupB,20 cases).The patients were followed up for more than 12 months after operation.Recording operation time,intraoperative blood loss and surgical-related complications.The Japanese Orthopedic Association (JOA)score、cervical disability function index (Neck Disability Index,NDI)and visual analogue scale(VAS)were used to evaluate the clinical efficacy.The lateral X-ray of the cervical spine was used to measure the Cobb angle of the local lordosis and the overall lordosis(C2~7)of the cervical intervertebral disc.The ROM(range of motion)of the cervical spinewas measured by the dynamic X-ray and the data were compared before and after the follow-up.Results All 35 patients were followed up.JOA、NDI and VAS at the last time were further improved than those at preoperative.There was no significant difference in the preoperative between the two groups in the JOA、NDI and VAS(P>0.05).There was no significant difference in the final follow-up between the two groups in the JOA、NDI and VAS(P>0.05).There was no significant difference between preoperative and final follow-up in the Cobb angle of the local lordosis,the overall lordosis(C2~7)of the cervical intervertebral disc and the range of motion of cervical spine of the Mobi-C artificial disc replacement(P>0.05);there was no significant difference between preoperative and final follow-up in the Cobb angle of the local lordosis and the overall lordosis(C2~7)of the cervical intervertebral disc of anterior cervical discectomyand fusion with ROI-C(P>0.05).The difference was statistically significant of the range of motion of cervical spine in final follow-up(P<0.05).There was no significant difference in thepreoperative between the two groups in the Cobb angle of the local lordosis,the overall lordosis(C2~7)of the cervical intervertebral disc and the range of motion of the cervical spine(P>0.05).There was significant difference in the final follow-up between the two groups in the Cobb angle of the local lordosis,the overall lordosis(C2~7)of the cervical intervertebral disc and the range of motion of the cervical spine(P<0.05).Conclusion Compared with the anterior cervical discectomyand fusion with ROI-C,Mobi-C artificial disc replacement has similar effective treatments in treatingsingle-level cervical spondylosis,and better maintain cervical mobility,which can be used as an effective treatment for cervical spondylosis.
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