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Single-segment pedicle screw fixation for the treatment of thoracolumbar fractures through the gap of paravertebral muscles / 中国骨伤
Article in Chinese | WPRIM | ID: wpr-248909
Responsible library: WPRO
ABSTRACT
<p><b>OBJECTIVE</b>To compare the clinical effect of thoracolumbar fractures between single-segment pedicle screw fixation approach for the gap of paravertebral muscles and double-segment pedicle screw fixation approach for the stripping of paravertebral muscles.</p><p><b>METHODS</b>From September 2008 to January 2010, 65 patients with incomplete compressed thoracolumbar fractures or burst thoracolumbar fractures with unilateral endplate injury were randomly divided into two groups. Thirty patients were treated with single-segment pedicle screw fixation through the gap of paravertebral muscles (treatment group). Thirty-five patients were treated with double-segment pedicle screw fixation through the stripping of the paravertebral muscles (control group). All the internal fixations were taken out during 10-12 months after operation. Operative time, perioperative blood loss volume and postoperative drainage volume were compared between two groups. At final follow-up, the change of neurological ASIA grade were recorded; and postoperative 5 days and final follow-up, compared Denis classification of lumbar and back pain between two groups; and analyzed the sagittal index and compressibility of anterior border of vertebral body by X -ray lateral projection.</p><p><b>RESULTS</b>All patients were follow-up from 14 to 22 months with an average of 18.3 months. No postoperative infection, secondary spinal cord injury was found. One case of control group occurred internal fixation breakage at the 11th month after operation and other internal fixation no loosening. There was no significant difference in operative time, the recovery of neurological function between the two groups (P > 0.05). Perioperative blood loss volume and postoperative drainage volume of treatment group was less than that of control group (P < 0.01). And in Denis classification of lumbar and back pain, the treatment group recovered more quickly, and the residual pain of lumbar and back was less than that of control group (P < 0.01). Postoperative posterior salient and compression of anterior border of vertebral body improved in two groups (P < 0.01), there was no significant difference in degree of improvement between two groups (P > 0.05); but both loss existed at final follow-up (P < 0.01), there was no significant difference in loss of posterior salient between two groups (P > 0.05). In the treatment group, the loss of rectify of anterior border of vertebral body existed, but it was less than that of the control group.</p><p><b>CONCLUSION</b>In the premise of strict controlling surgery indications, the treatment of thoracolumbar fractures with single-segment pedicle screw fixation through the gap of paraspinal muscles, can effectively recover the height of vertebral body and rectify posterior salient, and reduce the fixed segment. Compared with the traditional operative method of double-segment pedicle screw fixation through the stripping of paraspinal muscle, it can obviously reduce the operation wound and the bleeding, lessen the pain of lumbar and back. And the recent clinical effect is satisfied.</p>
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Full text: Available Index: WPRIM (Western Pacific) Main subject: General Surgery / Thoracic Vertebrae / Wounds and Injuries / Bone Screws / Female / Humans / Male / Follow-Up Studies / Spinal Fractures / Adult Language: Chinese Journal: China Journal of Orthopaedics and Traumatology Year: 2012 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: General Surgery / Thoracic Vertebrae / Wounds and Injuries / Bone Screws / Female / Humans / Male / Follow-Up Studies / Spinal Fractures / Adult Language: Chinese Journal: China Journal of Orthopaedics and Traumatology Year: 2012 Type: Article