Her mother underwent a major spinal operation last week 她母亲上周动了一次脊髓的大手术。
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Epidural hematom after cervical spinal operation by posterior approach : a report of 2 cases 颈椎后路手术后硬膜外血肿形成2例
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Objectives : to provide theoretic basis for decreasing spinal cord segmental ischemic injury on spinal operation and desiging reasonably operative approach 摘要目的：为减少手术中对脊髓血供损伤和设计合理脊柱手术入路提供基础。
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Mathods : we performed a retrospective case - control study of patients who had had an orthopaedic spinal operation performed at a university - affiliated tertiary - care hospital from 1998 to 2002 手术部位的感染在脊柱外科并非罕见，感染往往合并严重的并发症和死亡并且增加支出。
