【摘 要】
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Introduction:Nearly 90% of all fractures of the spine occur in the thoracolumbar region and burst fractures account for approximately 58~ 81% of all thoracolumbar fractures.l~ 4 Burst fractures often
【机 构】
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温州医学院附属二院骨科,温州,325027,中国 上海交通大学医学院附属新华医院骨科,上海,200
【出 处】
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2007SICOT国际矫形外科学术会议(SICOT-SIROT SHANGHAI CONGRESS 2007)
论文部分内容阅读
Introduction:Nearly 90% of all fractures of the spine occur in the thoracolumbar region and burst fractures account for approximately 58~ 81% of all thoracolumbar fractures.l~ 4 Burst fractures often occur in younger patients,cause a neurological deficit and present a significant economic burden to family and society.2,4,5 Surgical treatment of these burst fractures in thoracolumbar spine is still controversial,but is gaining momentum.Advances in spinal instrumentation have brought short-segment instrumentation into successful clinical practice.Pedicle screw instrumentation makes it possible to achieve better correction of kyphotic deformity,greater initial stability,early painless mobilization,and indirect decompression of spinal canal.6~ 10 On the other hand,the results of a short-segment posterior stabilization are not always good.Reported recurrent kyphosis with or without material failure are not uncommon after implant removal.11 ~ 16 However,studies on this issue are relatively scarce,and the clinical significance of recurrent deformity is uncertain.Moreover,previous studies emphorased a loss of correction after implant removal due to the collapse of the disc space.13,17 The effect of the reduction of a fractured vertebra on final kyphotic deformity is ignored.
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