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首页> 外文期刊>Orthopaedic Journal of Sports Medicine >Clavicle Elevation or Shoulder Girdle Depression in Acromioclavicular Joint Dislocation: A Radiological Investigation
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Clavicle Elevation or Shoulder Girdle Depression in Acromioclavicular Joint Dislocation: A Radiological Investigation

机译：锁骨升高或肩带抑郁症在acromioclaviclavicular关节脱位：放射学调查

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Background: The side-comparative coracoclavicular (CC) distance is used to describe the vertical instability component of acute acromioclavicular (AC) joint dislocations. Elevation of the clavicle or a depression of the shoulder girdle can lead to an increased CC distance. The dislocation direction has not yet been investigated and is not included in common classification systems. Hypothesis: Clavicle elevation is primarily responsible for vertical dislocation in AC joint separation. Study Design: Cross-sectional study; Level of evidence, 3. Methods: Weighted and nonweighted bilateral plain anteroposterior views of the shoulder girdles of patients with AC joint dislocations (Rockwood [RW] types III and V), diagnosed in our trauma department between 2001 and 2018, were included in this study. After determining the CC distance, a side-comparative determination of the positions of both the clavicle and shoulder girdle, with reference to the spinal column, was conducted. Results: In total, 245 bilateral plain anteroposterior views were evaluated (RW III, n = 116; RW V, n = 129). All patients showed a side-comparative clavicle elevation (mean ± SD: RW III, 5 ± 14 mm; RW V, 11 ± 17 mm) in weighted and nonweighted views. While no depression of the shoulder girdle was measured in RW III injuries (weighted and nonweighted views, 0 ± 11 mm), dropping of the shoulder girdle in RW V lesions on nonweighted views was observed (–5 ± 11 mm). Conclusion: Vertical dislocation is mostly associated with clavicle elevation in RW III injures, while in high-grade AC joint dislocations (RW V), a combination of clavicle elevation and shoulder girdle depression is present. A significantly greater superior displacement of the clavicle in RW V injuries was seen in weighted views, while a depression of the shoulder girdle could be detected in nonweighted views. For the first time, these results include the dislocation direction in the classification of an AC joint injury. Further studies are needed to investigate the extent to which dislocation types differ in optimal therapy and outcome.
机译：背景：侧面对比甲状腺增压率（CC）距离用于描述急性acromioclaviclavicular（AC）关节脱位的垂直不稳定性组分。锁骨的升高或肩带的凹陷可以导致CC距离增加。尚未调查脱位方向，并不包含在普通分类系统中。假设：锁骨升高主要负责AC关节分离中的垂直位错。研究设计：横截面研究; 3.方法：在2001年至2018年期间，在我们的创伤部门诊断出在我们的创伤部门诊断的患者的肩部颈部肩膀颈部的加权和非重量双侧平纹前后视图，诊断为此学习。在确定CC距离之后，进行侧面比较测定锁骨和肩带的位置，参考脊柱柱。结果：共评估245个双侧平原前后视图（RW III，N = 116; RW V，N = 129）。所有患者均显示侧面对比锁骨升高（平均值±SD：RW III，5±14毫米; RW V，11±17毫米），在加权和非重量的视图中。虽然在RW III损伤（加权和非重视图，0±11mm）中测量了肩带的抑郁症，但观察到在非重量视图上的RW V病变中的肩带下降（-5±11毫米）。结论：垂直位错大多数与RW III损伤中的锁骨升高相关，而在高等级AC关节脱位（RWV）中，存在锁骨升高和肩带凹陷的组合。在加权视图中可以看到RW V损伤中锁骨的显着更高位移，而在非重量的视图中可以检测到肩带的凹陷。首次，这些结果包括分类AC关节损伤的位错方向。需要进一步研究来研究脱位类型在最佳治疗和结果方面不同的程度。

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