目的：比较钉棒内固定系统和钉棒内固定系统加含庆大霉素的同种异体骨在儿童脑瘫脊柱后路融合术后的感染发生率。
Objective. To compare the infection rate after posterior spinal fusion with unit rod instrumentation with or without gentamicin-impregnated allograft bone in children with cerebral palsy (CP).
目的探讨病灶清除同期应用CD棒内固定，在多节段脊柱结核治疗中的临床疗效。
Objective To study the clinical results of focal debridement and primary internal fixation with CD rod in treatment of multi-segmental spinal tuberculosis.
结论：哈氏棒内固定起到恢复脊柱生物力学稳定性，保护脊髓的作用。
Conclusion: Internal fixation with Harrington can recover biomechanical stability of the spine, protect spinal cord.
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