背景:这项研究旨在使用超声和剪切波弹性成像前瞻性地研究咬肌厚度和硬度的参考值,分别,在半面微体(HFM)患者中。
方法:我们招募了51名患者,5-20岁,HFM包括31名男性和20名女性。上-下,左-右,通过检查每位参与者面部未受影响和受影响的侧面,确定102块咬肌的前后直径和98块咬肌的硬度。
结果:上下,左-右,休息时咬肌的前后直径明显较小(4.26±0.83,2.94±0.75和-0.80±0.25cm,分别)和收缩期间(3.95±0.78、2.71±0.78和0.87±0.29cm,分别)患侧比健康侧(5.45±0.66,3.87±0.49和0.97±0.20cm,分别,在休息和4.99±0.45,3.49±0.53和1.07±0.23厘米,分别,在收缩期间,p<0.05)。在静止状态下,患侧咬肌的硬度(0.77±0.66m/s)显着大于健康侧(0.42±0.41m/s;p<0.05)。上下变化的幅度,左-右,并且在咬合状态下咬肌的前后直径在患侧明显较小(-0.30±0.27,-0.23±0.17和0.08±0.08cm,分别)比健康侧(-0.47±0.38,-0.37±0.25和0.10±0.12cm,分别,p<0.05)。
结论:了解这些值可以更好地了解HFM的疾病特征,可用于其诊断,治疗,和预后。经历不同严重程度的患者在患侧咬肌的形态和功能上表现出显着差异(p<0.05)。
方法:三级。
BACKGROUND: This study aimed to prospectively investigate the reference values for masseter muscle thickness and hardness using ultrasonography and shear wave elastography, respectively, in patients with hemifacial microsomia (HFM).
METHODS: We enrolled 51 patients, aged 5-20 years, with HFM including 31 males and 20 females. The upper-lower, left-right, and anterior-posterior diameters of 102 masseter muscles and stiffness of 98 masseter muscles were determined by examining the unaffected and affected sides of each participant\'s face.
RESULTS: The upper-lower, left-right, and anterior-posterior diameters of the masseter muscle were significantly smaller at rest (4.26 ± 0.83, 2.94 ± 0.75, and- 0.80 ± 0.25 cm, respectively) and during contraction (3.95 ± 0.78, 2.71 ± 0.78, and 0.87 ± 0.29 cm, respectively) in the affected side than those in the healthy side (5.45 ± 0.66, 3.87 ± 0.49, and 0.97 ± 0.20 cm, respectively, at rest and 4.99 ± 0.45, 3.49 ± 0.53, and 1.07 ± 0.23 cm, respectively, during contraction, p < 0.05). In the resting state, the hardness of the masseter muscle on the affected side (0.77 ± 0.66 m/s) was significantly greater than that on the healthy side (0.42 ± 0.41 m/s; p < 0.05). The magnitude of changes in the upper-lower, left-right, and anterior-posterior diameters of the biting muscle in the occlusal state were significantly smaller on the affected side (-0.30 ± 0.27, -0.23 ± 0.17, and 0.08 ± 0.08 cm, respectively) than those in the healthy side (-0.47 ± 0.38, -0.37 ± 0.25, and 0.10 ± 0.12 cm, respectively, p < 0.05).
CONCLUSIONS: The knowledge of these values allows for better understanding of the disease characteristics of HFM, which may be used for its diagnosis, treatment, and prognosis. Patients experiencing different severity levels exhibited significant differences in the morphology and function of the masseter muscle on the affected-side (p < 0.05).
METHODS: Level III.