Shear wave elastography characteristics of the gastrocnemius muscle in postural instability gait disorder vs tremor dominant Parkinson's disease patients

被引:0
作者
Ding, Chang Wei [1 ]
Wang, Cai Shan [1 ]
Zhao, Ping [1 ]
Chen, Ming Lei [2 ,3 ]
Zhang, Ying Chun [1 ]
Liu, Chun Feng [2 ,3 ]
机构
[1] Soochow Univ, Dept Ultrasound, Affiliated Hosp 2, 1055 San Xiang Rd, Suzhou 215004, Peoples R China
[2] Soochow Univ, Dept Neurol, Affiliated Hosp 2, Suzhou, Peoples R China
[3] Soochow Univ, Clin Res Ctr Neurol Dis, Affiliated Hosp 2, Suzhou, Peoples R China
关键词
Parkinson's disease; Shear wave elastography; Postural instability gait disorder phenotype; Tremor dominant phenotype; MITOCHONDRIAL RESPIRATORY-CHAIN; SKELETAL-MUSCLE; WFUMB GUIDELINES; CLINICAL-USE; RECOMMENDATIONS; FATIGUE;
D O I
10.1007/s13760-024-02547-4
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Objectives This study explored the characteristics of muscle stiffness of lower gastrocnemius in resting and exercise states in patients with postural instability gait difficulty (PIGD) and tremor dominant (TD) Parkinson's disease patients using shear wave elastography (SWE). Data and methods 75 PD patients from the Department of Parkinson's Disease Center in the Hospital from September 2021 to December 2022 were prospectively included, including 44 patients with PIGD and 31 with TD. In the same period, 40 healthy subjects matching gender and age were included as the control group. SWE was used to detect Young's modulus of both sides (right and left, R- and L-) of the lateral head of the gastrocnemius in resting (YM1) and exerciser states (YM2) in all participants and the absolute difference Young's modulus between resting and exercise state (Delta YM) was calculated. Results R-YM2 and R-Delta YM were the highest in the normal controls, followed by the TD group, and lowest in the PIGD group. There were no differences in L-YM2 and L-Delta YM between the PIGD group and the TD group (all p>0.05), but they were lower than those in the normal control group (all p<0.05). In addition, R-YM2 and R-Delta YM were negatively correlated with disease duration and UPDRS III scores in the PIGD group (all p<0.05). R-Delta YM has the highest value in the differential diagnosis of PIGD and TD patients. The area under the receiver operating characteristic curve (ROC) curve is 0.812 (95%CI, 0.730-0.893), and the diagnostic threshold is 120.5 Kpa with a sensitivity of 63.6%, a specificity of 90.1%, a positive predictive of 80%, and a negative predictive value of 80%. Conclusion Shear wave elastography is a sensitive ultrasound method for evaluating muscle strength in patients with PIGD and TD. It also provides a new biological indicator to distinguish between different phenotypes of patients with PD.
引用
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页码:1875 / 1884
页数:10
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