Revisión

Neuropsychiatric disorders in parkinson’s disease

E. Noé, P. Irimia, E.M. Pomares-Arias, E. Martínez-Vila, M.R. Luquin-Piudo [REV NEUROL 2001;32:676-681] PMID: 11391498 DOI: https://doi.org/10.33588/rn.3207.2000179 OPEN ACCESS
Volumen 32 | Number 07 | Nº of views of the article 9.797 | Nº of PDF downloads 784 | Article publication date 16/04/2001
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ABSTRACT Artículo en español English version
OBJECTIVE. This paper reviews the main neuropsychiatric disorders associated with Parkinson’s disease (PD) and describes the neuropathological hypothesis proposed to explain these symptoms. DEVELOPMENT. This disease is usually associated with neuropsychiatric complications such as depression, anxiety and apathy. Besides, psychiatric symptoms are one of the most common side effects of antiparkinsonian drug­therapy.

CONCLUSIONS Depression is the most frequent emotional disorder reported in patients with PD. Up to 20% of parkinsonian patients meet DSM­IV criteria for major depressive episode and another 20% for dysthymia, while the prevalence of depression in normal aged population is about 2­8%. The relationship between PD and depression has not been fully established. Some investigators have suggested that depressive symptoms in PD are causally related to the underlying neuropathological process, affecting predominantly serotoninergic and dopaminergic pathways. Alternatively, depression in PD may represent a normal reaction to the progressive physical impairment induced by the disease. Otherwise, up to 20% of parkinsonian patients present levodopa­induced psychiatric complications. Visual hallucinations are the commonest, but delusions, confusional states, sexual disorders and sleep disorders have also been described. Serotonine and dopamine have been implicated in the neuropathological basis of these disorders.
KeywordsNeuropsychiatric disordersParkinson’s disease CategoriesNeurodegeneraciónPatología vascularTrastornos del movimiento
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