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Management of fractures of the pedicle after instrumentation with transpedicular screws: A report of three patients

机译:经椎弓根螺钉器械器械后椎弓根骨折的处理:3 例患者的报告

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摘要

Fracture of a pedicle is a rare complication of spinal instrumentation using pedicular screws, but it can lead to instability and pain and may necessitate extension of the fusion. Osteosynthesis of the fractured pedicle by cerclage-wire fixation and augmentation of the screw fixation by vertebroplasty or temporary elongation of the fixation, allows stabilisation without sacrifice of the adjacent healthy segment. We describe three patients who developed a fracture of the pedicle in the most caudal instrumented vertebra early after lumbar spinal fusion. During revision surgery the pedicles were reduced and secured by a soft cerclage wire bilaterally. Fusion was obtained at the site of the primary instrumentation and healing of the pedicles was achieved. Cerclage wiring of the fractured pedicle seems to be safe and avoids permanent extension of the fusion without the sacrifice of an otherwise healthy segment.
机译:椎弓根骨折是使用椎弓根螺钉进行脊柱器械的罕见并发症,但它可能导致不稳定和疼痛,并可能需要延长融合。通过环扎线固定对骨折的椎弓根进行接骨,并通过椎体成形术或固定的暂时伸长来增强螺钉固定,可以在不牺牲相邻健康节段的情况下保持稳定。我们描述了三名患者,他们在腰椎融合术后早期在最尾部器械椎骨中发生椎弓根骨折。在翻修手术期间,椎弓根被缩小并用双侧软环扎线固定。在主要器械部位获得融合,并实现了椎弓根的愈合。断裂椎弓根的环扎布线似乎是安全的,并且避免了融合的永久性延伸,而不会牺牲其他健康的节段。

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