ParkinsonCanadaV1, Main, Exploration, bibRecord, 000E96

The heterogeneity of cognitive symptoms in Parkinson's disease: a meta-analysis

Identifieur interne : 000E96 ( Main/Exploration ); précédent : 000E95; suivant : 000E97

The heterogeneity of cognitive symptoms in Parkinson's disease: a meta-analysis

Auteurs : Christina Tremblay [Canada] ; Amélie M. Achim [Canada] ; Joël Macoir [Canada] ; Laura Monetta [Canada]

Source :

Journal of Neurology, Neurosurgery & Psychiatry [ 0022-3050 ] ; 2013-11.

RBID : ISTEX:B3B52F2006DF8D88D1194B4B61131E52385B1473

English descriptors

KwdEn :
- Aged, Child, Cognition Disorders (classification), Cognition Disorders (diagnosis), Cognition Disorders (epidemiology), Comorbidity, Depressive Disorder (classification), Depressive Disorder (diagnosis), Depressive Disorder (epidemiology), Disability Evaluation, Humans, Infant, Mental Status Schedule (statistics & numerical data), Middle Aged, Neurologic Examination, Parkinson Disease (classification), Parkinson Disease (diagnosis), Parkinson Disease (epidemiology), Psychometrics, Tremor (classification), Tremor (diagnosis), Tremor (epidemiology).
MESH :
- classification : Cognition Disorders, Depressive Disorder, Parkinson Disease, Tremor.
- diagnosis : Cognition Disorders, Depressive Disorder, Parkinson Disease, Tremor.
- epidemiology : Cognition Disorders, Depressive Disorder, Parkinson Disease, Tremor.
- statistics & numerical data : Mental Status Schedule.
- Aged, Child, Comorbidity, Disability Evaluation, Humans, Infant, Middle Aged, Neurologic Examination, Psychometrics.

Abstract

Several studies have reported heterogeneity in cognitive symptoms associated with specific characteristics of patients with Parkinson's disease (PD). Indeed, researchers have characterised subtypes of patients suffering from PD according to various criteria. Those most frequently used are the type of predominant motor symptoms (tremors or non-tremor symptoms), age at onset and presence of depression. Some characteristics, like the predominant motor subtypes, as well as the presence of depression, are more widely used to categorise cognitive differences between patients. The goal of this study was to analyse the impact of the type of predominant motor symptoms and depression on cognition in PD. A meta-analysis of 27 studies (from 1989 to 2012) was carried out to calculate the average effect size of these factors on the most often used cognitive test during those past years to evaluate cognitive skills, the Mini-Mental State Examination. The studies analysed showed significant mean weighted effect sizes on cognition for the type of motor symptoms (d=0.42; 95% CI 0.30 to 0.54) and for depression (d=0.52; 95% CI 0.38 to 0.66). These results suggested that PD participants with non-tremor predominant motor symptoms or with depression had more or more severe cognitive impairments. Identification of different subtypes in PD is important for a better understanding of the cognitive symptoms associated with this disease. Better knowing the impact of different features of PD subgroups could help to design more appropriate treatments for patients with PD.

Url:

https://api-v5.istex.fr/document/B3B52F2006DF8D88D1194B4B61131E52385B1473/fulltext/pdf

DOI: 10.1136/jnnp-2013-305021

Affiliations:

Canada

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<front><div type="abstract">Several studies have reported heterogeneity in cognitive symptoms associated with specific characteristics of patients with Parkinson's disease (PD). Indeed, researchers have characterised subtypes of patients suffering from PD according to various criteria. Those most frequently used are the type of predominant motor symptoms (tremors or non-tremor symptoms), age at onset and presence of depression. Some characteristics, like the predominant motor subtypes, as well as the presence of depression, are more widely used to categorise cognitive differences between patients. The goal of this study was to analyse the impact of the type of predominant motor symptoms and depression on cognition in PD. A meta-analysis of 27 studies (from 1989 to 2012) was carried out to calculate the average effect size of these factors on the most often used cognitive test during those past years to evaluate cognitive skills, the Mini-Mental State Examination. The studies analysed showed significant mean weighted effect sizes on cognition for the type of motor symptoms (d=0.42; 95% CI 0.30 to 0.54) and for depression (d=0.52; 95% CI 0.38 to 0.66). These results suggested that PD participants with non-tremor predominant motor symptoms or with depression had more or more severe cognitive impairments. Identification of different subtypes in PD is important for a better understanding of the cognitive symptoms associated with this disease. Better knowing the impact of different features of PD subgroups could help to design more appropriate treatments for patients with PD.</div>
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La maladie de Parkinson au Canada (serveur d'exploration)

The heterogeneity of cognitive symptoms in Parkinson's disease: a meta-analysis

The heterogeneity of cognitive symptoms in Parkinson's disease: a meta-analysis

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	La maladie de Parkinson au Canada (serveur d'exploration)
	Attention, ce site est en cours de développement ! Attention, site généré par des moyens informatiques à partir de corpus bruts. Les informations ne sont donc pas validées.