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. 2020 Jul 8:10:20.
doi: 10.5334/tohm.403.

Parkinsonian Symptoms, Not Dyskinesia, Negatively Affect Active Life Participation of Dyskinetic Patients with Parkinson's Disease

Etienne Goubault  1 , Sarah Bogard  2   3 , Pierre J Blanchet  4   5 , Erwan Bézard  6   7 , Claude Vincent  8 , Davide Martino  9 , Justyna Sarna  10 , Oury Monchi  10 , Christian Duval  2   3
Affiliations

Parkinsonian Symptoms, Not Dyskinesia, Negatively Affect Active Life Participation of Dyskinetic Patients with Parkinson's Disease

Etienne Goubault et al. Tremor Other Hyperkinet Mov (N Y). .

Abstract

Background: The impact of slight-to-moderate levodopa-induced dyskinesia (LID) on the level of participation in active life in patients with Parkinson's disease (PD) has never been objectively determined.

Methods: Levels of LID, tremor and bradykinesia were measured during best-ON state in 121 patients diagnosed with PD and having peak-dose LID using inertial sensors positioned on each body limb. Rigidity and postural instability were assessed using clinical evaluations. Cognition and depression were assessed using the MMSE and the GDS-15. Participation in active life was assessed in patients and in 69 healthy controls using the Activity Card Sort (ACS), which measures levels of activity engagement and activities affected by the symptomatology. Outcome measures were compared between patients and controls using ANCOVA, controlling for age or Wilcoxon-Mann-Whitney tests. Spearman correlations and multivariate analyses were then performed between symptomatology and ACS scores.

Results: Patients had significantly lower activity engagement than controls and had significantly affected activities. LID was neither associated with activity engagement nor affected activities. Higher levels of tremor, postural instability, cognitive decline and depression were associated with lower activity engagement and higher affected activities. Multivariate analyses revealed that only tremor, postural instability and depression accounted significantly in the variances of these variables.

Discussion: Slight-to-moderate LID had little impact compared to other symptoms on the level of participation in active life, suggesting that other symptoms should remain the treatment priority to maintain the level of participation of patients in an active lifestyle.

Keywords: Activity engagement; Every-day life; Levodopa-induced dyskinesia; Parkinson’s disease; Participation.

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Conflict of interest statement

EB has equity stake in Motac holding Ltd and receives consultancy payments from Motac Neuroscience Ltd, companies which preclinical activity has no relationship with the present study. The other authors have no conflict of interest to report.

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