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目的 :应用术中椎管造影检测胸腰椎骨折伴不全瘫手术减压的程度。方法 :应用AF系统椎弓根螺钉复位内固定的 33例胸腰椎骨折伴不完全瘫患者 ,在C臂X线下行椎管造影 ,检测骨折复位及椎管的减压情况。结果 :2 8例 (84 80 % )造影显示椎管通畅 ,脊髓神经根无受压 ,未行椎板切开减压 ;2例硬膜囊破裂 ,1例椎间盘破裂突入椎管内 ,2例椎体游离骨折块突入椎管内 ,此 5例给予有限的椎板减压 ,修补破裂的硬膜囊 ,取出破裂的椎间盘及游离骨折块。结论 :术中椎管造影方法简单 ,创伤小 ,便于了解复位及减压情况 ,优化手术效果
Objective: To evaluate the degree of decompression of thoracolumbar fractures with incomplete paralysis by intraoperative spinal canal imaging. Methods: Thirty-three patients with thoracolumbar fractures and incomplete paralysis treated with pedicle screw fixation and AF pedicle screw fixation underwent a spinal canal angiography under C-arm X-ray to detect the fracture reduction and decompression of spinal canal. RESULTS: Twenty-eight (84 80%) radiographs showed that the spinal canal was unobstructed, the spinal cord roots were not compressed and decompression was not performed. The dural sac ruptured in 2, the ruptured disc in 1 and the spinal canal in 2 Vertebral free fracture fragments broke into the spinal canal, the 5 cases of limited lamina decompression, repair the ruptured dural sac, remove the broken disc and free fragments. Conclusion: Intraoperative spinal canal imaging method is simple, less trauma, easy to understand the situation of reduction and decompression, optimize the surgical effect