Objective: The objective of this open-label study was to evaluate the clinical utility of the Personal KinetiGraph™ (PKG) Movement Recording System in the care of patients with Parkinson Disease (PD) in a movement disorder specialist practice (MDS).

Background: PD movement monitoring systems with continuous objective measurement platforms that obtain and illustrate movement data during activities of daily living go beyond the traditional office visit and have the potential to augment clinical care.

Methods: We conducted a study of the PKG in routine clinical care within an MDS clinic. PD patients (H&Y 1-3) on stable doses of levodopa who provided informed consent completed a 6-day wear period of the PKG then presented for two routine clinic visits that included: symptom review, medication review, and routine clinical exams. A survey assessing the impact on care was completed after each visit and required the MDS to comment on whether the PKG had an impact on: dialogue with patient, patient education, ability to assess impact of a therapy and ability to assess need for additional tests/treatments. At the completion of the second visit the MDS used the CGI-I scale to rate change in patients’ condition compared with visit 1 baseline. Patients used a PGI-I scale to rate their condition since baseline.

Results: Twenty-eight patients completed the study. The MDS assessed the PKG as having an overall positive impact on patient care with high responses (79-100%) across clinical visits in improved dialogue, improved education and improved ability to assess the impact of therapy. On the CGI-I, the MDS ranked 17/28 (61%) as having improvement, 9 as no change, and 2 as minimally worse. Patients had a positive response on the use of the PKG. They agreed it was easy to use (93%), performed as expected (96%) with all 28 (100%) patients stating they would use it again. Patients assessed the PKG data logger as having an overall positive impact on their care with 79% indicating the device assisted with explaining symptoms, in providing data to the physician they could not provide (89%), in assessing their daily activity levels (96%), and in providing data that contributed to the overall management of their PD (93%). On the PGI-I survey, 13/24 (54%) patients indicated their PD was improved, 9 as no change, 2 as minimally worse, and 4 patients did not respond.

Conclusions: The PKG data logger was well received by both physicians and patients, scoring high in survey results as a tool to assess impact of therapy and indicating the device had an overall positive impact on patient care.

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MDS Abstracts - https://www.mdsabstracts.org/abstract/personal-kinetigraph-movement-recording-system-an-assessment-of-utility-in-a-movement-disorder-clinic/