MDS 2023 | Administration and interpretation of the MDS non-motor rating scale

K. Ray-Chaudhuri, MD, DSc, FRCP, FEAN, King’s College London, London, UK, discusses the non-motor aspects of Parkinson’s disease (PD) and introduces the MDS non-motor symptoms (NMS) scale. This scale assesses nine non-motor domains, including a non-motor fluctuation subscale. The MDS-NMS subscale focuses on the top eight non-motor symptoms observed during fluctuations and reflects the overall non-motor burden experienced by PD patients. It emphasizes the strong correlation between the total burden and patients’ quality of life. When administering the scale, the clinician should refer to the training administration manual and kit provided by the society to handle the questions effectively. Additionally, Prof. Ray-Chaudhuri suggests administering the scale when the patient is in an optimal condition to obtain accurate responses. This interview took place at the 2023 International Congress of Parkinson’s Disease and Movement Disorders in Copenhagen, Denmark.

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