The purpose of this study is to investigate the difference of the accuracy and safety between traditional spine surgery and computer assisted navigation system spine surgery.
The object of study is the patients who are going to undergo pedicle screw fixation operation. there are two clinical trial centers.one is beijing jishuitan hospital,the other is beijing shuili hospital.the study protocol will be reviewed by the Ethics Committee of Beijing Jishuitan Hospital. after the patients sign the informed consent,they will be divided into two groups randomly.the patients' basic information and medical informations including the accuracy and safety will be collected.the data above all will be compared.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
656
navigation assisted pedicle screw placement of spine surgery
traditional spine surgery without navigation assist
the accuracy of pedicle screw
one week after the spine surgery,measure the accuracy of pedicle screw by CT examination
Time frame: one week after the spine surgery
complication
the complication would be recorded three days after the spine surgery
Time frame: three days after the spine surgery
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