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find Keyword "Vertebral body subtotal resection" 1 results
  • Study on Early Effects of Vectra-T Dynamic Plate for Cervical Spondylosis

    ObjectiveTo study the efficacy of anterior cervical Vectra-t dynamic plate and titanium mesh for cervical spondylosis. MethodsA retrospectively analysis involving 20 cases (44 sections) from June 2010 to October 2012 was performed in the department of orthopaedic in the West China Hospital of Sichuan University. All patients received the operation of anterior cervical vertebral resection decompression, titanium mesh and bone graft, and Vectra-T plate. The data of the JOA scores, cervical curvature, the conditions of vertebral body fusion after bone graft and the situation of titanium mesh subsidence were all collected. Statistical analysis were performed using SPSS 19.0 software. Resultsa) All the 20 cases received a 12-to 30-month follow-up. The results of statistical analysis showed that:the JOA scores were as follows:7.68±1.66 for preoperative, 10.91±1.97 for after surgery and 12.74±1.27 for the endpoint of follow-up, and significant differences were found between these scores (P < 0.05). b) There was no loose of screw or plate. The local cervical angle and regional cervical angle were improved after surgery. In the 44 segments of fusion, 43 segments fused within 6 months, one of the segment delayed to fuse 12 months after surgery. c) The subsidence of titanium mesh were 2.7±2.7 mm on average in 3 months after surgery, 3.6±1.0 mm on average in 6 months after surgery, 3.9±1.2 mm on average in 12 months after surgery and 4.0±1.2 mm on average in last follow-up. Titanium mesh subsidence mainly concentrated in the postoperative period of 6 months. After six months of titanium mesh subsidence was no longer apparent. ConclusionThe application of Vectra-T dynamic plate can effectively improve the curvature of the cerical sagittal position, prevent protrusion deformity, reduce the related complications after bone graft, effectively avoid the stress shelter in the static plate, andspromote the fusion between the cervical vertebral bodies. However, the long-term curative effects are still needed to be assessed by large sample randomized controlled trials with long-term follow-up.

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