Diagnostic criteria for mild cognitive impairment in Parkinson's disease: Movement Disorder Society Task Force
Irene Litvan1, Jennifer G Goldman, Alexander I Tröster
1Division of Movement Disorders, Department of Neurology, University of Louisville, Louisville, Kentucky, USA. ilitvan@ucsd.edu
Abstract:
Mild cognitive impairment is common in nondemented Parkinson's disease (PD) patients and may be a harbinger of dementia. In view of its importance, the Movement Disorder Society commissioned a task force to delineate diagnostic criteria for mild cognitive impairment in PD. The proposed diagnostic criteria are based on a literature review and expert consensus. This article provides guidelines to characterize the clinical syndrome and methods for its diagnosis. The criteria will require validation, and possibly refinement, as additional research improves our understanding of the epidemiology, presentation, neurobiology, assessment, and long-term course of this clinical syndrome. These diagnostic criteria will support future research efforts to identify at the earliest stage those PD patients at increased risk of progressive cognitive decline and dementia who may benefit from clinical interventions at a predementia stage.
Insights
New diagnostic criteria for mild cognitive impairment in Parkinson's disease (PD) aim to identify patients at risk for dementia. These guidelines will aid early detection and intervention for cognitive decline in PD.
Area of Science:
- Neurology
- Neuroscience
- Movement Disorders
Background:
- Mild cognitive impairment (MCI) is prevalent in non-demented Parkinson's disease (PD) patients.
- MCI in PD can precede dementia, highlighting the need for early identification.
Purpose of the Study:
- To establish standardized diagnostic criteria for MCI in Parkinson's disease.
- To provide guidelines for characterizing and diagnosing MCI in PD patients.
Main Methods:
- Literature review and expert consensus by a Movement Disorder Society task force.
- Development of proposed diagnostic criteria for MCI in PD.
Main Results:
- Guidelines are provided for clinical characterization and diagnostic methods for MCI in PD.
- The proposed criteria require further validation and refinement through ongoing research.
Conclusions:
- The new criteria will facilitate early identification of PD patients at high risk for cognitive decline and dementia.
- These diagnostic standards will support research into predementia interventions for Parkinson's disease.
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