The traditional midline posterior approach for lumbar decompression and fusion traumatizes some paraspinous tissue.

传统后方中线入路进行腰椎减压融合使一些棘突旁组织受到损伤。

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Objective To evaluate the effects of different body mass indexes on lumbar posterior multi-level open window decompression surgery for elderly patients with lumbar stenosis.

目的对不同体重老年腰椎管狭窄患者行单纯腰椎后路开窗减压手术，并评价其治疗效果。

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Conclusion: We hold that the damage to the posterior structures should be minimized on the basis of sufficient decompression in order to maintain or rebuild lumbar stability.

结论：主张腰椎手术应在彻底减压基础上尽量减少对后部结构的破坏，保持或重建腰椎的稳定。

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