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  • Title: [Complication of thoracic pedicle screw fixation in spinal deformities].
    Author: Deng Y, Zhou Y, Lu G, Wang B, Li J, Kang Y, Lu C, Liu W, Ma Z.
    Journal: Zhong Nan Da Xue Xue Bao Yi Xue Ban; 2009 Aug; 34(8):820-4. PubMed ID: 19734596.
    Abstract:
    OBJECTIVE: To analyze the etiology and prevention of complications related to the pedicle screw technique in the treatment of thoracic scoliosis. METHODS: There were 183 thoracic deformity patients 110 idiopathic scoliosis, 32 adult scoliosis, 28 congenital kyphoscoliosis, 8 Marfan syndrome with scoliosis, and 6 others. All patients' Cobb angles were evaluated preoperatively, intraoperatively, and postoperatively by roentgenograms. The deformity correction rate was calculated. All radiographic evaluations were carried out in a double-blind fashion. The complication rate was analyzed perioperatively and postoperatively. RESULTS: The deformity correction rate was 72%, better than others treated with hook-rod system. The perioperation complication rate was 8.4% (pedicle fracture 1.5%, infection 3.8%, pneumothorax and plural effusion 1.6%, transitory neurological damage 0.5%, and over-bleeding shock 1%). The complication rate at follow-up was 3.6% (infection 0.5%, fatigue fracture 1%, loss of deformity correction 1.6%, and transitory neurological damage 0.5%). Compared with those treated with hook-rod system, the perioperation complication rate, loss of deformity correction, permanent damage, and complications related to the internal fixation were all low. CONCLUSION: The complication rate of pedicle screw fixation system was low in the treatment of thoracic deformity. When surgeons are thoroughly familiar with the technique and related pathoanatomy, and with the spinal cord function wardship by SEP, complications related to the pedicle screw technique in the treatment of thoracic scoliosis will be well controlled.
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