Clinical Implications of the National Institute of Neurological Disorders and Stroke Criteria for Diagnosing Psychosis in Parkinson’s Disease

The effect of psychotic symptoms in Parkinson’s disease (PD) is variable among patients, and different methods to assess psychosis may yield conflicting results. A sample of 102 patients with a diagnosis of idiopathic PD underwent neurological, psychiatric, and neuropsychological assessment. Partici...

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Bibliographic Details
Published in:	The journal of neuropsychiatry and clinical neurosciences Vol. 28; no. 1; pp. 26 - 31
Main Authors:	Gordon, Pedro C, Kauark, Roberta Borges Gomes, Costa, Carlos Daniel Miranda, de Oliveira, Maira Okada, Godinho, Fabio Luis F, Rocha, Maria Sheila Guimarães
Format:	Journal Article
Language:	English
Published:	United States American Psychiatric Association 2016
Subjects:	Aged Aged, 80 and over Brazil - epidemiology Cross-Sectional Studies Female Humans Longitudinal Studies Male Middle Aged National Institute of Neurological Disorders and Stroke (U.S.) Neuropsychological Tests Parkinson Disease - diagnosis Parkinson Disease - epidemiology Parkinson Disease - psychology Psychiatric Status Rating Scales Psychotic Disorders - diagnosis Psychotic Disorders - epidemiology Psychotic Disorders - psychology United States
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Summary:	The effect of psychotic symptoms in Parkinson’s disease (PD) is variable among patients, and different methods to assess psychosis may yield conflicting results. A sample of 102 patients with a diagnosis of idiopathic PD underwent neurological, psychiatric, and neuropsychological assessment. Participants were divided into three groups: those who met DSM criteria for psychotic disorder, those who had psychotic symptoms but did not meet DSM criteria, and those without any psychotic symptoms. The first group had significantly worse sleep and worse cognitive and psychopathological symptoms compared with the other two groups. Results suggested that patients meeting DSM criteria for psychotic disorder comprise a separate clinical category.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0895-0172 1545-7222
DOI:	10.1176/appi.neuropsych.15050119