Abstract: Objective To explore the application value of computer navigation technology in thoracolumbar pedicle fixation. Methods Fifteen cases of thoracolumbar diseases underwent thoracolumbar pedicle fixation under computer navigation, and a total of 72 pedicle screws were used for fixation. X-ray fluoroscopy and CT scan were performed after surgery, and the screw fixation position was evaluated by Richter classification. Results All cases were completed under navigation, and 15 cases were followed up for 6 to 24 months, with no pedicle screw loosening or breakage. The screw position was evaluated according to the Richter classification based on the results of X-ray and CT review: 68 screws (94.4%) were excellent and 4 screws (5.6%) were good. No screws protruded into the spinal canal or passed through the vertebral body during the operation, and no nerve root, spinal cord, or blood vessel damage occurred. The number of C-arm X-ray fluoroscopy during the operation was significantly reduced, the operation time was shortened, and the success rate of the operation was significantly improved. Conclusion C-arm navigation can significantly reduce the errors in thoracolumbar pedicle fixation and improve the accuracy of the operation.
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