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- W2349017992 abstract "Objective To evaluate the clinical application of digital orthopedics technique in surgical treatment of cranio-cervical diseases.Methods Totally 43 patients with cranio-cervical disease were surgically treated with the assistance of digital orthopedics technique during January 2010 to December 2010.Three-dimensional cranio-cervical models of real size(1∶1) were constructed by computer aided design and rapid prototype(CAD-RP)for all cases.Preoperational screw-insertion simulation of the model was performed for some cases to obtain the accurate angle and direction for the screw insertion.The drilling-guided template of posterior C1/C2 transpedicualr screw was designed for some complicated posterior operations.The surgical treatments included 30 receiving transoral atlantoaxial reduction plate(TARP) internal fixation,7 receiving atlanto-axial transpedicular screw internal fixation,and 6 receiving occipito-cervical internal fixation.Results Postoperatively the symptoms of neck pain and extremity anesthesia or asthenia were improved to different degrees in all the 43 cases.Five patients of E degree(motor score was 100) preoperatively remained unchanged after the operation,but their neck pain was completely resolved.Nine of the 33 patients of D degree were improved to E degree after operation;the other 24 patients had no degree changes,but their motor scores increased to 86-100,with a mean of 96.2±4.1.Five patients of C degree improved to D degree.The motor score of the 38 patients of D and E degrees was increased by 5-35(15.2±9.1) after operation.No neurological,vascular complications or screw-loosening was observed during a follow up of 3-12 months(a mean of 7.3 months).Some patients receiving TARP internal fixation developed slight dizziness,which disappeared 2-4 weeks postoperatively.Conclusion The digital orthopedics techniques,including preoperative screw insertion simulation on the cranio-cervical model and the application of drilling-guided template for the C1/C2 transpedicular screw insertion,make the complicated cranio-cervical operation simple,safe and effective." @default.
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- W2349017992 date "2011-01-01" @default.
- W2349017992 modified "2023-09-24" @default.
- W2349017992 title "Clinical application of digital orthopedics technique for surgical treatment of cranio-cervical junction diseases" @default.
- W2349017992 hasPublicationYear "2011" @default.
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