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首页> 外文期刊>Journal of shoulder and elbow surgery >Relationship of individual scapular anatomy and degenerative rotator cuff tears
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Relationship of individual scapular anatomy and degenerative rotator cuff tears

机译：肩骨解剖与肩袖退行性变的关系

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Background: The etiology of rotator cuff disease is age related, as documented by prevalence data. Despite conflicting results, growing evidence suggests that distinct scapular morphologies may accelerate the underlying degenerative process. The purpose of the present study was to evaluate the predictive power of 5 commonly used radiologic parameters of scapular morphology to discriminate between patients with intact rotator cuff tendons and those with torn rotator cuff tendons. Methods: A pre hoc power analysis was performed to determine the sample size. Two independent readers measured the acromion index, lateral acromion angle, and critical shoulder angle on standardized anteroposterior radiographs. In addition, the acromial morphology according to Bigliani and the acromial slope were determined on true outlet views. Measurements were performed in 51 consecutive patients with documented degenerative rotator cuff tears and in an age- and sex-matched control group of 51 patients with intact rotator cuff tendons. Receiver operating characteristic analyses were performed to determine cutoff values and to assess the sensitivity and specificity of each parameter. Results: Patients with degenerative rotator cuff tears demonstrated significantly higher acromion indices, smaller lateral acromion angles, and larger critical shoulder angles than patients with intact rotator cuffs. However, no difference was found between the acromial morphology according to Bigliani and the acromial slope. With an area under the receiver operating characteristic curve of 0.855 and an odds ratio of 10.8, the critical shoulder angle represented the strongest predictor for the presence of a rotator cuff tear. Conclusion: The acromion index, lateral acromion angle, and critical shoulder angle accurately predict the presence of degenerative rotator cuff tears.
机译：背景：如患病率数据所示，肩袖疾病的病因与年龄有关。尽管结果相互矛盾，但越来越多的证据表明，不同的肩骨形态可能会加速潜在的退化过程。本研究的目的是评估肩cap形态的5种常用放射学参数对区分完整肩袖腱患者和肩袖腱撕裂患者的预测能力。方法：进行临时功率分析以确定样本量。两名独立的读者在标准化的前后X线照片上测量了肩峰指数，肩峰外侧角和临界肩角。此外，根据真实的出风口视图确定了根据Bigliani进行的肢端形态和肢端坡度。在连续的51例肩关节退行性肩部撕裂患者中进行了测量，并在年龄和性别匹配的51例完整的肩袖肌腱患者中进行了测量。进行接收器工作特性分析以确定临界值，并评估每个参数的敏感性和特异性。结果：与完整的袖套相比，肩袖退行性变的患者显示出更高的肩峰指数，较小的肩峰侧倾角和更大的临界肩角。然而，根据Bigliani的肢端形态与肢端斜率之间没有发现差异。接收器工作特性曲线下方的面积为0.855，比值比为10.8，临界肩角代表着肩袖撕裂的最强预测因子。结论：肩峰指数，肩峰外侧角和临界肩角可准确预测肩袖退行性撕裂的存在。

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