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Shear wave elastography characteristics of upper limb muscle in rigidity-dominant Parkinson's disease.

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Title: Shear wave elastography characteristics of upper limb muscle in rigidity-dominant Parkinson's disease.
Authors: Ding, Chang Wei (AUTHOR), Song, Xin (AUTHOR), Fu, Xin Yu (AUTHOR), Zhang, Ying Chun (AUTHOR), Mao, Pan (AUTHOR), Sheng, Yu Jing (AUTHOR), Yang, Min (AUTHOR), Wang, Cai Shan (AUTHOR), Zhang, Ying (AUTHOR), Chen, Xiao Fang (AUTHOR), Mao, Cheng Jie (AUTHOR), Luo, Wei Feng (AUTHOR), Liu, Chun Feng (AUTHOR)
Source: Neurological Sciences. Oct2021, Vol. 42 Issue 10, p4155-4162. 8p. 1 Color Photograph, 1 Black and White Photograph, 3 Charts, 2 Graphs.
Abstract: Background: Rigidity is one of the major manifestations of Parkinson's disease (PD), but no quantitative and objective imaging method has been developed to measure rigidity. Ultrasound shear wave elastography (SWE) can reflect the stiffness of tissue by providing a quantitative index. Thus, we conducted this study to evaluate the potential clinical value of SWE in assessing rigidity in PD. Methods: A total of 63 subjects (44 patients with rigidity-dominant PD and 19 right-dominant-hand normal controls with matched age) were enrolled, and each underwent ultrasound SWE testing. The tests were conducted on the brachioradialis (BR) and biceps brachii (BB) on the more affected side in patients with PD and on the right side in normal controls. Differences in quantitative shear wave velocity (SWV) between patients with PD and normal controls were determined. The relationship of muscle SWV with joint rigidity, UPDRSIII, disease duration, sex, and age in patients with PD was analyzed. The intraclass correlation coefficient (ICC) was used to evaluate the reliability of SWE in assessing muscle stiffness in patients with PD. Results: The mean SWVs of the BB and BR were higher in the PD group (3.65±0.46 and 4.62±0.89 m/s, respectively) than in normal controls (2.79±0.37 and 3.26±0.40 m/s, respectively). Stiffness in BR and BB was correlated with the upper-limb joint rigidity, UPDRSIII, and disease duration but not with sex or age in the PD group. The intraobserver correlation coefficients (ICCs) for interobserver and intraobserver variations in measuring SWV were 0.85 (95% confidence interval 0.56–0.95) and 0.85 (95% confidence interval 0.58–0.95), respectively, for BR and 0.90 (95% confidence interval 0.73–0.97) and 0.86 (95% confidence interval 0.61–0.95), respectively, for BB. Conclusions: SWV is associated with joint rigidity and disease duration, indicating that SWE can be potentially used as an objective and quantitative tool for evaluating rigidity. [ABSTRACT FROM AUTHOR]
Copyright of Neurological Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Shear wave elastography characteristics of upper limb muscle in rigidity-dominant Parkinson's disease.
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  Data: <searchLink fieldCode="AR" term="%22Ding%2C+Chang+Wei%22">Ding, Chang Wei</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Song%2C+Xin%22">Song, Xin</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fu%2C+Xin+Yu%22">Fu, Xin Yu</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Ying+Chun%22">Zhang, Ying Chun</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mao%2C+Pan%22">Mao, Pan</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sheng%2C+Yu+Jing%22">Sheng, Yu Jing</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Min%22">Yang, Min</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Cai+Shan%22">Wang, Cai Shan</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Ying%22">Zhang, Ying</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Xiao+Fang%22">Chen, Xiao Fang</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mao%2C+Cheng+Jie%22">Mao, Cheng Jie</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Luo%2C+Wei+Feng%22">Luo, Wei Feng</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Chun+Feng%22">Liu, Chun Feng</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Neurological+Sciences%22">Neurological Sciences</searchLink>. Oct2021, Vol. 42 Issue 10, p4155-4162. 8p. 1 Color Photograph, 1 Black and White Photograph, 3 Charts, 2 Graphs.
– Name: Abstract
  Label: Abstract
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  Data: Background: Rigidity is one of the major manifestations of Parkinson's disease (PD), but no quantitative and objective imaging method has been developed to measure rigidity. Ultrasound shear wave elastography (SWE) can reflect the stiffness of tissue by providing a quantitative index. Thus, we conducted this study to evaluate the potential clinical value of SWE in assessing rigidity in PD. Methods: A total of 63 subjects (44 patients with rigidity-dominant PD and 19 right-dominant-hand normal controls with matched age) were enrolled, and each underwent ultrasound SWE testing. The tests were conducted on the brachioradialis (BR) and biceps brachii (BB) on the more affected side in patients with PD and on the right side in normal controls. Differences in quantitative shear wave velocity (SWV) between patients with PD and normal controls were determined. The relationship of muscle SWV with joint rigidity, UPDRSIII, disease duration, sex, and age in patients with PD was analyzed. The intraclass correlation coefficient (ICC) was used to evaluate the reliability of SWE in assessing muscle stiffness in patients with PD. Results: The mean SWVs of the BB and BR were higher in the PD group (3.65±0.46 and 4.62±0.89 m/s, respectively) than in normal controls (2.79±0.37 and 3.26±0.40 m/s, respectively). Stiffness in BR and BB was correlated with the upper-limb joint rigidity, UPDRSIII, and disease duration but not with sex or age in the PD group. The intraobserver correlation coefficients (ICCs) for interobserver and intraobserver variations in measuring SWV were 0.85 (95% confidence interval 0.56–0.95) and 0.85 (95% confidence interval 0.58–0.95), respectively, for BR and 0.90 (95% confidence interval 0.73–0.97) and 0.86 (95% confidence interval 0.61–0.95), respectively, for BB. Conclusions: SWV is associated with joint rigidity and disease duration, indicating that SWE can be potentially used as an objective and quantitative tool for evaluating rigidity. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Neurological Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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