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| SONG Meng,ZHU Haoyu,ZHU Qingsan.Analysis of the risk factors of titanium mesh cage subsidence after the single level anterior cervical corpectomy and fusion[J].Chinese Journal of Spine and Spinal Cord,2017,(8):681-685. |
| Analysis of the risk factors of titanium mesh cage subsidence after the single level anterior cervical corpectomy and fusion |
| Received:April 20, 2017 Revised:August 18, 2017 |
| English Keywords:Anterior cervical corpectomy and fusion Titanium mesh cage subsidence Complication Risk factors |
| Fund:吉林省自然科学基金项目（编号：20150101168JC） |
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| English Abstract: |
| 【Abstract】 Objectives: To investigate the risk factors of titanium mesh cage subsidence after one level anterior cervical corpectomy and fusion(ACCF). Methods: 44 patients underwent ACCF from July 2014 to June 2016. Each patient was taken the preoperative and postoperative (3d, 3m) X-ray respectively. According to the height of anterior border, the patients were divided into two groups, subsidence group(height loss more than 2mm) and non-subsidence group(height loss less than 2mm). These factors were divided into consideration including: Cobb angle, the tilt angle of cage implacement, the depth of cage implacement, the angle between screw and plate. Results: Titanium mesh cage subsidence occured in 27(61.36%) patients of non-subsidence group and 17(38.64%) patients of subsidence group after 3 months. The tilt angle of cage placement, the depth of cage placement, the angle between screw and plate showed difference between the two groups(P＜0.05). Multivariate logistic regression analysis showed that the tilt angle of cage placement was the risk factor[95%CI (1.065，1.374), P<0.05]. Conclusions: The titanium mesh cage subsidence is common after anterior cervical corpectomy and fusion. The tilt angle of cage placement is the risk factor that influnces titanium mesh cage subsidence. The risk of the TMC subsidence will be increased if the angle ＞8.6°. |
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