BACKGROUND: Cervical spinal cord injury without radiographic abnormality (SCIWORA) is a special type of spinal cord injury.

背景：无放射影像异常颈脊髓损伤为脊髓损伤的一种特殊类型。

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Objective: to evaluate the effect of unilateral spinal anesthesia during total hip joint replacement in elder patients with cardiovascular abnormality.

目的：评价单侧腰麻在心血管系统异常高龄患者全髋置换术中的效果。

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Object: To observe the result of operative treatment of cervical spinal cord injury without radiographic abnormality (SCIWORA).

目的：观察颈椎无放射影像异常脊髓损伤(SCIWORA)的手术治疗效果。

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