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首页> 外文期刊>Neurospine. >Repeated Complication Following Atlantoaxial Fusion: A Case Report
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Repeated Complication Following Atlantoaxial Fusion: A Case Report

机译：寰枢椎融合术后反复并发症：一例报告

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摘要

A patients with atlantoaixial instability and osodontoideum underwent atlantoaixial fusion (Harms and Melcher technique) with demineralized bone matrix. But, unfortunately, the both pedicle screws in C2 were fractured within 9 weeks follow-up periods after several suspected episode of neck hyper-flexion. Fractured screws were not contact to occipital bone in several imaging studies, but it could irritate the occipital bone when neck extension because the relatively close distance between the occipital bone and C1 posterior arch. The patient underwent revision operation with translaminar screw fixation with autologus iliac bone graft. Postsurgical course were uneventful except donor site pain, but the bony fusion was not satisfied after 4 months follow-up. The patient re-underwent revision operation in other hospital. Continuous complication after atlantoaixial fusion is rare, but the clinical course could be unlucky to patients. Postoperative immobilization could be important to prevent the unintended clinical course of patients.
机译：一名患有寰枢椎不稳和牙齿畸形的患者接受了脱矿质骨基质的寰枢椎融合术（Harms和Melcher技术）。但是，不幸的是，在几个怀疑的颈部过度屈曲发作之后的9周的随访期内，C2的两个椎弓根螺钉均断裂。在几项影像学研究中，骨折的螺钉未与枕骨接触，但是当颈部延伸时，枕骨会刺激枕骨，因为枕骨与C1后弓之间的距离相对较近。该患者接受了自体骨植骨行椎板螺钉固定的翻修手术。除供体部位疼痛外，术后病程进展顺利，但4个月的随访后骨融合不满意。该患者在另一家医院接受了翻修手术。寰枢椎融合术后持续发生并发症的情况很少，但临床过程可能对患者不利。术后固定对于预防患者意外的临床病程可能很重要。

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