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- W2359696446 abstract "Objective To analyse the causes of breakage of pedicle screw after internal fixation of thoracolumbar spinal fracture. Methods In all 45 cases of spinal fractures,there were 10 cases of pedicle screw breakage after the internal fixation of thoracolumbar spinal fracture,which were studied by analysis classification of fracture,operational skills,design of the internal fixation system,load of the pedicle screw,the placement of the pedicle screw,precaution measures after operation and function exercise. Results Among 10 cases of breakage of pedicle screw,2 cases were found screw breakage in 1 month after operation,7 cases were found between 4 ~ 6 months and 1 case was found in 30 months after operation. 1 case of pedicle screw breakage occurred at T11,4 cases of pedicle screw breakage at T12,3 cases of pedicle screw breakage at L1,2 cases of pedicle screw breakage at L2. 24 cases were without decompression( including 3 cases of Chance fractures),among these,4 cases were found screw breakage;5 cases were decompression without bone graft,among these,3 cases were found screw breakage;16 cases were decompression and bone graft( including 4 cases with fracture-dislocation),among these,3 cases was found screw breakage. In this group the pedicle screws above the bone interface were too long in 4 cases,among these,3 cases was found screw breakage. Conclusions The main causes of pedicle screw breakage include the classification of fracture,operational skills,placement of the pedicle screw,function exercise and too late to take out the screws." @default.
- W2359696446 created "2016-06-24" @default.
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- W2359696446 date "2014-01-01" @default.
- W2359696446 modified "2023-09-25" @default.
- W2359696446 title "Causes analysis of pedicle screw breakage after internal fixation of thoracolumbar spinal fracture" @default.
- W2359696446 hasPublicationYear "2014" @default.
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