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首页> 外文期刊>Orthopedics >Unilateral cervical facet dislocation in a 9-year-old boy.
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Unilateral cervical facet dislocation in a 9-year-old boy.

机译:一个9岁男孩的单侧颈椎小关节脱位。

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摘要

Facet dislocations in children are rare. This article presents the youngest case of a unilateral facet dislocation described in the pediatric population. A 9-year-old boy sustained a flexion/axial loading injury to his cervical spine while wrestling with his friends, causing a unilateral facet dislocation at C4/5. Prereduction magnetic resonance imaging (MRI) demonstrated the absence of a diskal herniation or cord impingement and an intact posterior ligamentous complex. Due to the patient's young age, the decision was made to forgo a supervised awake closed reduction. Closed reduction was performed under general anesthesia with somatosensory-evoked potential and motor-evoked potential monitoring. Closed reduction was successfully achieved after Gardner-Wells tongs were applied and used to manually direct slow, steady in-line traction, along with slight flexion and posterior rotation of the dislocated side under direct fluoroscopy. The patient was immediately awakened from anesthesia and was found to have an intact sensory examination. He was immobilized in a cervical collar for 12 weeks. At 2-year follow-up, he remained asymptomatic without recurrence and had painless full range of motion of the cervical spine. Radiographs revealed a normally aligned cervical spine. Unilateral cervical facet dislocations and subluxations are the result of a distractionflexion force applied to the spine along with a rotational component. These are not uncommon injuries in the adult spine; however, in the young pediatric population, cervical facet dislocations are rare.
机译:儿童的小关节脱位很少见。本文介绍了儿科人群中描述的最年轻的单侧小关节脱位病例。一个9岁的男孩在与朋友搏斗时遭受了颈椎屈伸/轴向负重损伤,导致C4 / 5处的单侧小关节脱位。还原前磁共振成像(MRI)显示不存在椎间盘突出或脊髓撞击以及完整的后韧带复合体。由于患者的年龄很小,因此决定放弃有监督的清醒闭合复位术。在全身麻醉下以体感诱发电位和运动诱发电位监测进行闭合复位。在应用Gardner-Wells钳并成功地手动引导缓慢,稳定的直列牵引力,以及在直接透视下,对脱位侧进行轻微屈曲和向后旋转后,成功实现了闭合复位。病人立即从麻醉中醒来,被发现接受了完整的感觉检查。他被固定在颈圈中长达12周。在2年的随访中,他没有症状,没有复发,并且颈椎的活动范围无痛。放射线照片显示颈椎正常对齐。单侧颈椎小关节脱位和半脱位是与旋转分量一起施加到脊柱的牵引屈曲力的结果。这些在成年脊柱中并不罕见。然而,在年轻的儿科人群中,子宫颈小关节脱位很少见。

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