Observation On Clinical Results Of Pedical Screw-lamina Hook System In Treatment Of Adolescent Lumbar Spondylolysis

Objective:Study of clinical results of pedical screw-lamina hook system in Treatment of adolescent lumbar spondylolysis.Methods:Retrospective summary and analysis of the period from March2011to October2012, Shandong University Qilu Hospital orthopedic applications pedicle screw-the laminar hooks fixed and set bone treatment of the youth11patients with lumbar spondylolysis, bilateral L5spondylolysis in8cases, the bilateral L4spondylolysis three cases;9males and2females. Preoperative conservative treatment for more than3months invalid, low back pain VAS score was8.1points, thorough curettage between the ends of spondylolysis fibrous tissue, scar and hyperplastic tissue surgery, bleeding to the ends of the fracture, autologous iliac bone trimmed to a "T"-shaped, planted in the isthmus fractures at the pedicle screw installed-laminar hooks fixation system. By observing the postoperative recovery summary of the clinical efficacy of pedicle screw-laminar hooks fixation system for the treatment of lumbar spondylolysis.Results:All patients were followed up for six months to a year and a half. Postoperative recovery, no nerve damage symptoms, internal fixation fracture appears low back pain VAS score of2.1points on average, three patients back to the hospital after one year to remove the internal fixation device, the removal of fixtures patients confirmed does not reach the bone healing,2patients achieved bony union, the remaining eight cases imaging support has reached the bone healing, bone healing rate was90.91%. MacNab standard[1]:follow-up six months after the excellent rate of100%. Conclusions:Youth Lumbar spondylolysis conservative treatment for3months or more invalid need surgical treatment. Pedicle screw pedicle screw-laminar hooks fixation system under the premise retain partial function, does not affect the adjacent segment degeneration, easier, and more minimally invasive, cheaper, safer and more effective treatment of juvenile bifida lumbar Gap. However, the success of the operation or not, in addition to the diagnosis and treatment of iatrogenic mistakes accidents throughout the rehabilitation process is also particularly important. Choose a more accurate way of follow-up, an accurate assessment of the healing, better, more timely provide patients with reasonable rehabilitation guidance.If the perfect combination of the above two points, the pedicle screw pedicle screw-laminar hooks fixation system for treatment of juvenile lumbar spondylolysis will be very worthy of promotion.