保留C2棘突半棘肌附着的颈椎管扩大椎板成形术

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目的:观察完整保留C2棘突半棘肌附着的颈椎管扩大椎板成形术的手术疗效。方法:A组27例行改良颈椎板成形术,即显露时保留半棘肌在C2棘突上的附着,切除C3椎板,C4~C2双开门术式。B组33例行常规颈椎板成形术。即分离切断C2棘突半棘肌附着,关闭时缝合重建,C3~C7双开门成形术式.比较两组手术时间、卅血最、术后神经功能、并发症、颈椎曲度和屈伸活动度(ROM)、病人自我评价:JOA计分法评价神经功能、Cobb’S法测量颈椎曲度和ROM;结果:所有病例随访至少1年,A、B组术后JOA评分平均改善率分别为63.
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