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首页> 外文期刊>Foot and ankle international >Radiographic Results of Unicortical Medial Malleolar Fracture Fixation
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Radiographic Results of Unicortical Medial Malleolar Fracture Fixation

机译：Unicorcical Moralleolar骨折固定的射线照相结果

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Background: Medial malleolar fractures commonly occur as part of rotational ankle fractures, which often require surgery. Different fixation techniques exist, including unicortical or bicortical lag-screw fixation. Bicortical screws that engage the lateral distal tibia have been noted to be biomechanically superior to unicortical ones with a lower failure rate. The authors of this study have used unicortical screws routinely. This study was initiated to investigate the clinical results of a large series of patients with unicortical medial malleolar fixation. Methods: Patients who underwent unicortical medial malleolar fracture fixation between 2011 and 2017 were reviewed. In total, 461 ankle fractures were identified with a mean follow-up of 11.4 months (range, 3-57), of which 211 had a medial malleolar fracture. Eight patients were excluded as they did not follow up with the treating surgeons after surgery, leaving 203 patients for evaluation. The primary outcome was radiographic union. Any loss of reduction, complication, or subsequent surgery was recorded. Malunion was defined as greater than 2 mm displacement. Results: There were 2 asymptomatic nonunions (1.0%), 1 delayed union that healed using an external bone growth stimulator (0.5%), and 2 malunions of the medial malleolus (1.0%) with 1 asymptomatic. The other patient developed posttraumatic osteoarthritis but has not yet required further surgery. None of these 5 patients required revision medial malleolar surgery. Ultimately, the union rate using unicortical medial malleolar fixation was 99.0% (201/203). Conclusion: Unicortical fixation of medial malleolar fractures resulted in consistently good healing. Even though biomechanical studies have shown that bicortical screws provide stronger fixation, our clinical results indicate that the need for this stronger fixation may be questionable.
机译：背景：常常发生的内侧陈列不良骨折，作为旋转脚踝骨折的一部分，通常需要手术。存在不同的固定技术，包括Unicorcical或Bicortical滞后固定。已经注意到与横向远端胫骨接合的双色螺钉被培养地优于具有较低故障率的无联曲线。这项研究的作者通常使用Unicorcical螺钉。开始该研究探讨了一系列患有Unicorcical Moralleolar固定的大系列患者的临床结果。方法：综述了2011年至2017年在2011年至2017年期间进行了无凝集内侧畸形骨折固定的患者。总共，鉴定了461个踝关节骨折，其平均随访11.4个月（范围，3-57），其中211具有内侧陈列不良的骨折。八名患者被排除，因为手术后没有跟进治疗外科医生，留下203例评估患者。主要结果是射线照相联合会。记录了任何减少，并发症或随后的手术丧失。 Malunion被定义为大于2毫米的位移。结果：有2种无症状的壬酮（1.0％），1个延迟联合，使用外部骨生长刺激剂（0.5％）和2个内侧陈列仑（1.0％）的2个雌雄同体愈合，1例无症状。其他患者发育了术后骨关节炎，但尚未进一步手术。这5名患者均不需要修改内侧陈列不良手术。最终，使用Unicorcical Moreal Mallleolar固定的联合率为99.0％（201/203）。结论：内侧陈列不良骨折的单调固定导致始终如一的愈合。尽管生物力学研究表明，Bicortical螺丝提供更强的固定，但我们的临床结果表明对这种更强的固定的需求可能是可疑的。

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