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Dementia & Neuropsychologia

versão impressa ISSN 1980-5764versão On-line ISSN 1980-5764

Resumo

ALMEIDA, Kelson James et al. Cut-off points of the Portuguese version of the Montreal Cognitive Assessment for cognitive evaluation in Parkinson’s disease. Dement. neuropsychol. [online]. 2019, vol.13, n.2, pp.210-215.  Epub 18-Jun-2019. ISSN 1980-5764.  https://doi.org/10.1590/1980-57642018dn13-020010.

The Movement Disorder Society has published some recommendations for dementia diagnosis in Parkinson disease (PD), proposing the Montreal Cognitive Assessment (MOCA) as a cognitive screening tool in these patients. However, few studies have been conducted assessing the Portuguese version of this test in Brazil (MOCA-BR).

Objective:

the aim of the present study was to define the cut-off points of the MOCA-BR scale for diagnosing Mild Cognitive Impairment (PD-MCI) and Dementia (PD-D) in patients with PD.

Methods:

this was a cross-sectional, analytic field study based on a quantitative approach. Patients were selected after a consecutive assessment by a neurologist, after an extensive cognitive evaluation, and were classified as having normal cognition (PD-N), PD-MCI or PD-D. The MOCA-BR was then applied and 89 patients selected.

Results:

on the cognitive assessment, 30.3% were PD-N, 41.6% PD-MCI and 28.1% PD-D. The cut-off score on the MOCA-Br to distinguish PD-N from PD-D was 22.50 (95% CI 0.748-0.943) for sensitivity of 85.5% and specificity of 71.1%. The cut-off for distinguishing PD-D from MCI was 17.50 (95% CI 0.758-0.951) for sensitivity of 81.6% and specificity of 76%.

Palavras-chave : Parkinson’s disease; MOCA-BR; dementia in Parkinson’s disease (PD-D); mild cognitive impairment (PD-MCI); cognitive assessment.

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