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Objective measurement versus clinician-based assessment for Parkinson's disease

Journal

EXPERT REVIEW OF NEUROTHERAPEUTICS
Volume 23, Issue 8, Pages 689-702

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/14737175.2023.2229954

Keywords

kinematic; monitoring; objective measures; Parkinson's disease; wearing off; sensors; technology; >

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Although clinician-based assessment is the gold standard for quantifying motor impairment in Parkinson's disease, there are limitations such as variability and approximation. Objective motion analyses can complement clinical assessment and provide more accurate evaluations of motor symptoms and complications in PD.
IntroductionAlthough clinician-based assessment through standardized clinical rating scales is currently the gold standard for quantifying motor impairment in Parkinson's disease (PD), it is not without limitations, including intra- and inter-rater variability and a degree of approximation. There is increasing evidence supporting the use of objective motion analyses to complement clinician-based assessment. Objective measurement tools hold significant potential for improving the accuracy of clinical and research-based evaluations of patients.Areas coveredThe authors provide several examples from the literature demonstrating how different motion measurement tools, including optoelectronics, contactless and wearable systems allow for both the objective quantification and monitoring of key motor symptoms (such as bradykinesia, rigidity, tremor, and gait disturbances), and the identification of motor fluctuations in PD patients. Furthermore, they discuss how, from a clinician's perspective, objective measurements can help in various stages of PD management.Expert opinionIn our opinion, sufficient evidence supports the assertion that objective monitoring systems enable accurate evaluation of motor symptoms and complications in PD. A range of devices can be utilized not only to support diagnosis but also to monitor motor symptom during the disease progression and can become relevant in the therapeutic decision-making process.

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