Second Affiliated Hospital of Inner Mongolian Medical University

Second, China

Second Affiliated Hospital of Inner Mongolian Medical University

Second, China

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Chang Z.-Q.,Second Affiliated Hospital of Inner Mongolian Medical University | Zhang P.,Second Affiliated Hospital of Inner Mongolian Medical University | Wu Y.-M.,Second Affiliated Hospital of Inner Mongolian Medical University | Li P.-F.,Second Affiliated Hospital of Inner Mongolian Medical University
Chinese Journal of Tissue Engineering Research | Year: 2014

Background: Cervical pedicle has large variations anatomical structure, which is adjacent to crucial blood vessels and nerves. Deviation of screw placement may increase the risk of damage in surrounding vessels and nerves. Therefore how to improve the accuracy of placing cervical pedicle screws is the key link of internal fixation. Objective: To investigate clinical application value of deviation of screw placement in lower cervical pedicle by CT multiplane and three-dimensional reconstruction. Methods: Clinical data of 12 patients undergoing lower cervical pedicle screw due to cervical pedicle disease in the Second Affiliated Hospital of Inner Mongolian Medical University were retrospectively analyzed. The number of pedicle screws in all cases was 52. The involved cases were randomly divided into spiral CT group (CT multiplane and three-dimensional reconstruction) and X-ray fluoroscopy group (X-ray fluoroscopy assisted screw placement). The accuracy and deviation of screw placement between two groups were compared. Results And Conclusion: The number of first-class screws was 27, 96% of the total 28 pedicle screws in spiral CT group, and the number of second-class screws was 1. In the X-ray fluoroscopy group, the number of first-class screws was 21 (88%) and the number of second-class screws was 3. The accuracy of screw placement in spiral CT group was significantly higher than that of X-ray fluoroscopy group (P < 0.05). Screw placement in lower cervical pedicle by CT multiplane and three-dimensional reconstruction has great clinical application value, with high accuracy and strong three-dimensional sense. © 2014, Journal of Clinical Rehabilitative Tissue Engineering Research. All rights reserved.

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