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The effect of levodopa on bilateral coordination and gait asymmetry in Parkinson’s disease using inertial sensor
npj Parkinson's Disease ( IF 9.304 ) Pub Date : 2021-05-14 , DOI: 10.1038/s41531-021-00186-7
Minji Son , Seung Hwan Han , Chul Hyoung Lyoo , Joo Ae Lim , Jeanhong Jeon , Kee-Bum Hong , Hoon Park

This study aimed to evaluate the effect of levodopa on the phase coordination index (PCI) and gait asymmetry (GA) of patients with Parkinson’s disease (PD) and to investigate correlations between the severity of motor symptoms and gait parameters measured using an inertial sensor. Twenty-six patients with mild-to-moderate-stage PD who were taking levodopa participated in this study. The Unified Parkinson’s Disease Rating Scale part III (UPDRS III) was used to assess the severity of motor impairment. The Postural Instability and Gait Difficulty (PIGD) subscore was calculated from UPDRS III. Patients were assessed while walking a 20-m corridor in both “OFF” and “ON” levodopa medication states, and gait analysis was performed using inertial sensors. We investigated the changes in gait parameters after taking levodopa and the correlations between UPDRS III, PIGD, and gait parameters. There was a significant improvement in PCI after taking levodopa. No significant effect of levodopa on GA was found. In “OFF” state, PCI and GA were not correlated with UPDRS III and PIGD. However, in “ON” state, PCI was the only gait parameter correlating with UPDRS III, and it was also highly correlated with PIGD compared to other gait parameters. Significant improvement in bilateral-phase coordination was identified in patients with PD after taking levodopa, without significant change in gait symmetricity. Considering the high correlation with UDPRS III and PIGD in “ON” states, PCI may be a useful and quantitative parameter to measure the severity of motor symptoms in PD patients who are on medication.



中文翻译:

左旋多巴对惯性传感器对帕金森病双侧协调和步态不对称的影响

这项研究旨在评估左旋多巴对帕金森病(PD)患者的相协调指数(PCI)和步态不对称(GA)的影响,并研究运动症状的严重程度与使用惯性传感器测量的步态参数之间的相关性。接受左旋多巴的26例轻度至中度PD患者参加了这项研究。帕金森病综合评分量表第III部分(UPDRS III)用于评估运动障碍的严重程度。姿势不稳定性和步态困难(PIGD)子分数是根据UPDRS III计算得出的。在左旋多巴药物状态为“ OFF”和“ ON”的情况下,在步行20米的走廊时对患者进行评估,并使用惯性传感器进行步态分析。我们研究了左旋多巴后步态参数的变化以及UPDRS III,PIGD和步态参数之间的相关性。服用左旋多巴后,PCI有了显着改善。没有发现左旋多巴对GA的显着影响。在“关闭”状态下,PCI和GA与UPDRS III和PIGD不相关。但是,在“ ON”状态下,PCI是唯一与UPDRS III相关的步态参数,并且与其他步态参数相比,它也与PIGD高度相关。服用左旋多巴的PD患者在双侧阶段协调性方面得到了显着改善,步态对称性没有明显改变。考虑到与“开”状态下的UDPRS III和PIGD的高度相关性,PCI可能是衡量服药的PD患者运动症状严重程度的有用且定量的参数。PIGD和步态参数。服用左旋多巴后,PCI有了显着改善。没有发现左旋多巴对GA的显着影响。在“关闭”状态下,PCI和GA与UPDRS III和PIGD不相关。但是,在“ ON”状态下,PCI是唯一与UPDRS III相关的步态参数,并且与其他步态参数相比,它也与PIGD高度相关。服用左旋多巴的PD患者在双侧阶段协调性方面得到了显着改善,步态对称性没有明显改变。考虑到与“开”状态下的UDPRS III和PIGD的高度相关性,PCI可能是衡量服药的PD患者运动症状严重程度的有用且定量的参数。PIGD和步态参数。服用左旋多巴后,PCI有了显着改善。没有发现左旋多巴对GA的显着影响。在“关闭”状态下,PCI和GA与UPDRS III和PIGD不相关。但是,在“ ON”状态下,PCI是唯一与UPDRS III相关的步态参数,并且与其他步态参数相比,它也与PIGD高度相关。服用左旋多巴的PD患者在双侧阶段协调性方面得到了显着改善,步态对称性没有明显改变。考虑到与“开”状态下的UDPRS III和PIGD的高度相关性,PCI可能是衡量服药的PD患者运动症状严重程度的有用且定量的参数。没有发现左旋多巴对GA的显着影响。在“关闭”状态下,PCI和GA与UPDRS III和PIGD不相关。但是,在“ ON”状态下,PCI是唯一与UPDRS III相关的步态参数,并且与其他步态参数相比,它也与PIGD高度相关。服用左旋多巴的PD患者在双侧阶段协调性方面得到了显着改善,步态对称性没有明显改变。考虑到与“开”状态下的UDPRS III和PIGD的高度相关性,PCI可能是衡量服药的PD患者运动症状严重程度的有用且定量的参数。没有发现左旋多巴对GA的显着影响。在“关闭”状态下,PCI和GA与UPDRS III和PIGD不相关。但是,在“ ON”状态下,PCI是唯一与UPDRS III相关的步态参数,并且与其他步态参数相比,它也与PIGD高度相关。服用左旋多巴的PD患者在双侧阶段协调性方面得到了显着改善,步态对称性没有明显改变。考虑到与“开”状态下的UDPRS III和PIGD的高度相关性,PCI可能是衡量服药的PD患者运动症状严重程度的有用且定量的参数。与其他步态参数相比,它也与PIGD高度相关。服用左旋多巴的PD患者在双侧阶段协调性方面得到了显着改善,步态对称性没有明显改变。考虑到与“开”状态下的UDPRS III和PIGD的高度相关性,PCI可能是衡量服药的PD患者运动症状严重程度的有用且定量的参数。与其他步态参数相比,它也与PIGD高度相关。服用左旋多巴的PD患者在双侧阶段协调性方面得到了显着改善,步态对称性没有明显改变。考虑到与“开”状态下的UDPRS III和PIGD的高度相关性,PCI可能是衡量服药的PD患者运动症状严重程度的有用且定量的参数。

更新日期:2021-05-14
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