| Objectives: To analyze and study the long-term outcome of percutaneous minimally invasive and conventional pedicle screw internal fixation in the treatment of thoracolumbar fracture with posterior ligamentous complex injury.Methods: Seventy-eight cases of thoracolumbar fractures treated with the posterior ligamentous complex injury treated in our hospital from January 2015 to December 2017 were investigated by questionnaires and image data at different periods.There were 47 males and 31 females.Age 18 to 65 years old.According to different surgical methods,41 cases were treated with percutaneous minimally invasive pedicle screw fixation(minimally invasive group),and 37 cases were treated with traditional incision pedicle screw internal fixation(traditional group).Questionnaire survey comparing the activities of daily living(ADL capacity)and VAS scores(postoperative days 1,3,and 5)within 3 days after surgery;JOA scores of lumbar spine(postoperative 1 month);Oswestry dysfunction index(1 year after);Beaujon-Lassale functional score(2 months after removal of the internal fixation);postoperative recovery of the anterior vertebral height(6 months after surgery,2 months after internal fixation),and kyphotic Cobb angle(6 months after surgery and 2 months after removal of internal fixation).Results: Patients who received a complete follow-up period lasted 12 to 16 months with an average of 14.6 months.The ADL ability of the minimally invasive group,VAS scores at different periods,JOA scores,and Beaujon-Lassale functional scores were superior to the traditional group.There was no significant difference in the kyphotic Cobb angle and recovery height of the vertebral body between the two groups after operation.Conclusion: Percutaneous minimally invasive pedicle screw fixation has a better prognosis than traditional surgical methods.It can improve the quality of life of patients and has good clinical efficacy. |
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