Low intensity ultrasound as a kind of non-invasive form of mechanical energy transmitted as high frequency acoustical pressure waves in biologic organisms can accelerate bone healing of fresh fracture and get good results in the treatment of delayed or non union.
低强度超声波作为一种无创形式的机械能作用在生物器官，能加速新鲜骨折愈合并在治疗骨延迟愈合及不愈合中得到了良好的结果。
Objective: To investigate the acoustical characteristics and thyroid blood flow changes before and after the thyroid arterial embolization treatment for refractory hyperthyroidism by color Doppler ultrasound.
目的：探讨应用彩色多普勒超声监测甲状腺动脉栓塞术前、术后，甲状腺的声像学特征及血流变化规律的意义。
After treatment of the test group, the acoustical parameters maximum phonation time (MPT), frequency perturbation quotient (FPQ), amplitude perturbation quotient (APQ), ratio of harmonic to noise (H/N) objectively reflected improvement of voice quality.
试验组患者治疗前后的声时、频率微扰商、振幅微扰商、谐噪比声学参数也客观地反映了治疗后嗓音质量的提高。
After treatment of the test group, the acoustical parameters maximum phonation time (MPT), frequency perturbation quotient (FPQ), amplitude perturbation quotient (APQ), ratio of harmonic to noise (H / N) objectively reflected improvement of voice quality.
试验组患者治疗前后的声时、频率微扰商、振幅微扰商、谐噪比声学参数也客观地反映了治疗后嗓音质量的提高。