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Increased Stiffness of Rotator Cuff Tendons in Frozen Shoulder on Shear Wave Elastography.

剪切波弹性成像显示冻结肩肩袖肌腱刚度增加。

  • 影响因子:1.57
  • DOI:10.1002/jum.15078
  • 作者列表:"Wada T","Itoigawa Y","Yoshida K","Kawasaki T","Maruyama Y","Kaneko K
  • 发表时间:2020-01-01
Abstract

OBJECTIVES:To evaluate the stiffness and morphologic characteristics of the capsule, rotator cuff tendons and muscles, coracohumeral ligament (CHL), and long head of the biceps in patients with frozen shoulder using shear wave elastography (SWE) with B-mode ultrasound. METHODS:Thirty-two patients with frozen shoulder were divided into freezing and frozen phases. All patients had limitations of their range of motion without rotator cuff tears. Stiffness was measured by SWE in the supraspinatus (SSp) tendon, infraspinatus (ISp) tendon, SSp muscle, ISp muscle, teres minor muscle, upper and lower trapezius muscles, posterior capsule, CHL, and long head of the biceps. The posterior capsule and CHL thicknesses were also investigated with B-mode ultrasound. All values were compared in the affected and unaffected shoulders in each phase. RESULTS:The SWE values for the SSp and ISp tendons in the freezing phase and the CHL in the frozen phase were significantly greater on the affected side than the unaffected side (mean ± SD, 280.4 ± 125.3 versus 178.1 ± 73.3, 318.4 ± 110.7 versus 240.8 ± 91.5, and 287.2 ± 135.3 versus 214.1 ± 91.1 kPa, respectively; P < .05). The posterior capsule in both the freezing and frozen phases and the CHL in the frozen phase were significantly thicker on the affected side than the unaffected side (1.3 ± 0.2 versus 0.9 ± 0.3, 1.2 ± 0.4 versus 0.9 ± 0.3, and 4.4 ± 1.4 versus 3.3 ± 1.1 mm; P < .01). CONCLUSIONS:The SWE values of the both SSp and ISp tendons increased in the freezing phase, and that of the CHL also increased in the frozen phase. Not only the change in thickness of the capsule but also the change in stiffness of the rotator cuff may correlate with frozen shoulder.

摘要

目的: 探讨肩袖、肩袖肌腱、喙肱韧带 (CHL) 的刚度和形态特征。使用剪切波弹性成像 (SWE) 和b型超声检查冻结肩患者的肱二头肌长头。 方法: 将 32 例冻结肩患者分为冻结期和冻结期。所有患者的活动范围均有局限性,无肩袖撕裂。通过SWE测量冈上肌 (SSp) 肌腱、冈下肌 (ISp) 肌腱、SSp肌、ISp肌、大圆肌小肌、上下斜方肌、后囊、CHL、还有二头肌的长头。B型超声检查后囊膜厚度和CHL厚度。在每个阶段的受影响和未受影响的肩膀中比较所有值。 结果: 冷冻期SSp和ISp肌腱的SWE值以及冷冻期CHL在患侧明显大于未患侧 (平均值 ± sd,分别为 280.4 ± 125.3 vs 178.1 ± 73.3 、 318.4 ± 110.7 vs 240.8 ± 91.5 和 287.2 ± 135.3 vs 214.1 ± 91.1 kPa; P <.05)。冷冻和冷冻阶段的后囊膜和冷冻阶段的CHL在患侧明显比健侧厚 (1.3 ± 0.2 vs 0.9 ± 0.3)。,1.2 ± 0.4 与 0.9 ± 0.3,4.4 ± 1.4 与 3.3 ± 1.1毫米; P <.01)。 结论: SSp和ISp肌腱的SWE值在冻结期均增加,CHL值在冻结期也增加。不仅胶囊厚度的变化,肩袖刚度的变化也可能与冻结肩相关。

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DOI:10.1002/acr.23824
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