PDD-Short Screen: a brief cognitive test for screening dementia in Parkinson's disease
Javier Pagonabarraga1, Jaime Kulisevsky, Gisela Llebaria
1Movement Disorders Unit, Neurology Department, Sant Pau Hospital, Autonomous University of Barcelona, Barcelona, Spain.
Abstract:
The diagnosis of Parkinson's disease with dementia (PDD) is currently based on clinical criteria (DSM-IV, MDS-Task Force). In daily practice and research studies, these criteria still depend on the subjective impression of the examiner. Brief screening tests (BST) are helpful in identifying patients with PD with dementia, which can be difficult in patients with advanced PD. We aimed to develop a BST for PD, the PDD-Short Screen (PDD-SS), to accurately and quickly screen for PDD. In this prospective study, 70 patients with nondemented (age 73.8 +/- 4.4) and 32 demented (age 73.8 +/- 4.4) PD regularly attending a Movement Disorders Clinic were included. Diagnosis of dementia was based on DSM-IV criteria, CDR score >or=1, and PD-CRS total score
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