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Evaluation of cognitive impairment in a population of patients with Parkinson’s disease by means of the mini mental Parkinson test

T. Parrao-Díaz, P. Chaná-Cuevas, C. Juri-Clavería, C. Kunstmann, J. Tapia-Núñez [REV NEUROL 2005;40:339-344] PMID: 15795869 DOI: https://doi.org/10.33588/rn.4006.2004081

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Volumen 40 | Number 06 | Nº of views of the article 12.801 | Nº of PDF downloads 2.904 | Article publication date 16/03/2005

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ABSTRACT

INTRODUCTION Parkinson’s disease (PD) is a neurodegenerative disorder in which motor symptoms are initially predominant; however, as the disease progresses, cognitive deterioration becomes more evident. Tests designed to detect cognitive impairment are therefore needed. AIMS. The aim of the study was to assess the cognitive status of a population of patients with PD by means of the Mini Mental Parkinson test (MMP).

PATIENTS AND METHODS In 110 patients with idiopathic PD, with a mean age of 66.4 ± 10.2 years and an average history of 8.8 ± 5.8 years of the disease, the mean severity of the disease as measured by the unified PD rating scale (UPDRS-III) was 26.2 ± 12.9.

RESULTS There were 20 (18.2%) subjects with dementia according to DSM-IV criteria, with a score of 20.4 ± 6.4 on the MMP. Of the 90 patients who did not have dementia, 47 cases displayed cognitive impairment, without the presence of disorders affecting their activities of daily living, who scored 25.3 ± 4.7 points on the MMP, and 43 cases did not show any kind of cognitive impairment, with 28.0 ± 3.3 points on the MMP; these differences were statistically significant p < 0.001. Results according to age brackets showed a decrease in MMP with age and more especially so concerning memory functioning. As to severity, there is a cognitive decline, in particular with regard to memory, orientation and abstraction.

CONCLUSIONS Cognitive capacity is seen to decline with age and the severity of the disease. KeywordsDementia Minimental State Examination Parkinson disease CategoriesDemencia Neurodegeneración Neuropsicología Neuropsiquiatría Trastornos del movimiento

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Original

Evaluation of cognitive impairment in a population of patients with Parkinson’s disease by means of the mini mental Parkinson test