Investigation on the Reduction
Technology of Minimally Invasive Percutaneous Pedicle Screw System in the Treatment of Thoracolumbar Compression Fracture
Abstract: Objective: To investigate the reasonable fracture reduction technology of minimally invasive per-cutaneous pedicle screw system in the treatment of thoracolumbar compression. Method: From July 2012 to October 2013, 26 patients with thoracolumbar single segmental fracture were treated by percutaneous pedicle screw system, and observation were conducted to investigate the injured vertebra reduction result, along with the anterior vertebral height ratio (FVHR) and Cobb angle within 3 days, to evaluate the effect of reduction. Results: 1 case was treated by the postural re-duction and universal pedicle screw internal fixation, with preoperative FVHR at 45.7%, and 67.9% within 3 days, the preoperative Cobb angle at 28°, and 19° within 3 days; 3 case were treated by manipulation and postural reduction, universal pedicle screw internal fixation, with the average preoperative FVHR at 52.4%, and 87.7% within 3 days, the average preoperative Cobb angle at 18.7°, and 5.7° within 3 days. 22 case was treated by manipulation and postural reduction, straight pedicle screw internal fixation, with the average preoperative FVHR at 56.5 ± 4.3%, and 94.5 ± 3.6% within 3 days, the average preoperative Cobb angle at 17 ± 5.6°, and 3.2 ± 2.5° within 3 days. Con-clusion: The method of preoperative manipulative reduction and postural reduction, combined with surgery to reposition in the straight pedicle screw, is an effective reduction technique in minimally invasive percutaneous pedicle screw system in treatment of thoracolumbar compression fracture.
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