Complications associated with the technique of pedicle screw fixation

摘要: OBJECTIVE To analyze the causes of complications associated with pedicle screw fixation during and after operation, as well methods for prevention treatment. METHODS From January 1988 to December 1999, 475 patients who underwent various spinal disorders were reviewed retrospectively statistical analysis. RESULTS Four hundred twenty-eight (90.1% all) followed up (6.0 +/- 3.7) years. Complications CD, DRFS, Dick, RF steffee among 72 cases (80% occurred operation pedical in 26 incidence 5.5% 64 15%. The operative/postoperative 0-12.9% 6.8%-11.9% 7.3%-12.7% 2.4%-19.5% RF, 10.1%-21.5% Steffee respectively. main included pseudoarthrosis, broken, malposition so on. mainly due unskilled technique fixation, implant defect design CONCLUSIONS must not be neglected. are laid on design.