Cortical thinning associated with mild cognitive impairment in Parkinson's disease.
Identifieur interne : 000615 ( Main/Exploration ); précédent : 000614; suivant : 000616Cortical thinning associated with mild cognitive impairment in Parkinson's disease.
Auteurs : Bàrbara Segura [Espagne] ; Hugo César Baggio ; Maria Josep Marti ; Francesc Valldeoriola ; Yaroslau Compta ; Anna Isabel Garcia-Diaz ; Pere Vendrell ; Núria Bargallo ; Eduardo Tolosa ; Carme JunqueSource :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2014.
English descriptors
- KwdEn :
- Aged, Cerebral Cortex (pathology), Female, Humans, Imaging, Three-Dimensional, Magnetic Resonance Imaging, Male, Middle Aged, Mild Cognitive Impairment (etiology), Mild Cognitive Impairment (pathology), Neuropsychological Tests, Parkinson Disease (complications), Parkinson Disease (pathology), Severity of Illness Index, Statistics as Topic.
- MESH :
- complications : Parkinson Disease.
- etiology : Mild Cognitive Impairment.
- pathology : Cerebral Cortex, Mild Cognitive Impairment, Parkinson Disease.
- Aged, Female, Humans, Imaging, Three-Dimensional, Magnetic Resonance Imaging, Male, Middle Aged, Neuropsychological Tests, Severity of Illness Index, Statistics as Topic.
Abstract
The aim of this study was to investigate patterns of cortical atrophy associated with mild cognitive impairment in a large sample of nondemented Parkinson's disease (PD) patients, and its relation with specific neuropsychological deficits. Magnetic resonance imaging (MRI) and neuropsychological assessment were performed in a sample of 90 nondemented PD patients and 32 healthy controls. All underwent a neuropsychological battery including tests that assess different cognitive domains: attention and working memory, executive functions, memory, language, and visuoperceptual-visuospatial functions. Patients were classified according to their cognitive status as PD patients without mild cognitive impairment (MCI; n = 43) and PD patients with MCI (n = 47). Freesurfer software was used to obtain maps of cortical thickness for group comparisons and correlation with neuropsychological performance. Patients with MCI showed regional cortical thinning in parietotemporal regions, increased global atrophy (global cortical thinning, total gray matter volume reduction, and ventricular enlargement), as well as significant cognitive impairment in memory, executive, and visuospatial and visuoperceptual domains. Correlation analyses showed that all neuropsychological tests were associated with cortical thinning in parietotemporal regions and to a lesser extent in frontal regions. These results provide neuroanatomic support to the concept of MCI classified according to Movement Disorders Society criteria. The posterior pattern of atrophy in temporoparietal regions could be a structural neuroimaging marker of cognitive impairment in nondemented PD patients. All of the neuropsychological tests reflected regional brain atrophy, but no specific patterns were seen corresponding to impairment in distinct cognitive domains.
DOI: 10.1002/mds.25982
PubMed: 25100674
Affiliations:
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Le document en format XML
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Department of Psychiatry and Clinical Psychobiology, University of Barcelona, Catalonia, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Catalonia, Spain; Department of Psychiatry and Clinical Psychobiology, University of Barcelona, Catalonia</wicri:regionArea><wicri:noRegion>Catalonia</wicri:noRegion></affiliation></author><author><name sortKey="Baggio, Hugo Cesar" sort="Baggio, Hugo Cesar" uniqKey="Baggio H" first="Hugo César" last="Baggio">Hugo César Baggio</name></author><author><name sortKey="Marti, Maria Josep" sort="Marti, Maria Josep" uniqKey="Marti M" first="Maria Josep" last="Marti">Maria Josep Marti</name></author><author><name sortKey="Valldeoriola, Francesc" sort="Valldeoriola, Francesc" uniqKey="Valldeoriola F" first="Francesc" last="Valldeoriola">Francesc Valldeoriola</name></author><author><name sortKey="Compta, Yaroslau" sort="Compta, Yaroslau" uniqKey="Compta Y" first="Yaroslau" last="Compta">Yaroslau Compta</name></author><author><name sortKey="Garcia Diaz, Anna Isabel" sort="Garcia Diaz, Anna Isabel" uniqKey="Garcia Diaz A" first="Anna Isabel" last="Garcia-Diaz">Anna Isabel Garcia-Diaz</name></author><author><name sortKey="Vendrell, Pere" sort="Vendrell, Pere" uniqKey="Vendrell P" first="Pere" last="Vendrell">Pere Vendrell</name></author><author><name sortKey="Bargallo, Nuria" sort="Bargallo, Nuria" uniqKey="Bargallo N" first="Núria" last="Bargallo">Núria Bargallo</name></author><author><name sortKey="Tolosa, Eduardo" sort="Tolosa, Eduardo" uniqKey="Tolosa E" first="Eduardo" last="Tolosa">Eduardo Tolosa</name></author><author><name sortKey="Junque, Carme" sort="Junque, Carme" uniqKey="Junque C" first="Carme" last="Junque">Carme Junque</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="eISSN">1531-8257</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Cerebral Cortex (pathology)</term><term>Female</term><term>Humans</term><term>Imaging, Three-Dimensional</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Middle Aged</term><term>Mild Cognitive Impairment (etiology)</term><term>Mild Cognitive Impairment (pathology)</term><term>Neuropsychological Tests</term><term>Parkinson Disease (complications)</term><term>Parkinson Disease (pathology)</term><term>Severity of Illness Index</term><term>Statistics as Topic</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Mild Cognitive Impairment</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Cerebral Cortex</term><term>Mild Cognitive Impairment</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Female</term><term>Humans</term><term>Imaging, Three-Dimensional</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Middle Aged</term><term>Neuropsychological Tests</term><term>Severity of Illness Index</term><term>Statistics as Topic</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of this study was to investigate patterns of cortical atrophy associated with mild cognitive impairment in a large sample of nondemented Parkinson's disease (PD) patients, and its relation with specific neuropsychological deficits. Magnetic resonance imaging (MRI) and neuropsychological assessment were performed in a sample of 90 nondemented PD patients and 32 healthy controls. All underwent a neuropsychological battery including tests that assess different cognitive domains: attention and working memory, executive functions, memory, language, and visuoperceptual-visuospatial functions. Patients were classified according to their cognitive status as PD patients without mild cognitive impairment (MCI; n = 43) and PD patients with MCI (n = 47). Freesurfer software was used to obtain maps of cortical thickness for group comparisons and correlation with neuropsychological performance. Patients with MCI showed regional cortical thinning in parietotemporal regions, increased global atrophy (global cortical thinning, total gray matter volume reduction, and ventricular enlargement), as well as significant cognitive impairment in memory, executive, and visuospatial and visuoperceptual domains. Correlation analyses showed that all neuropsychological tests were associated with cortical thinning in parietotemporal regions and to a lesser extent in frontal regions. These results provide neuroanatomic support to the concept of MCI classified according to Movement Disorders Society criteria. The posterior pattern of atrophy in temporoparietal regions could be a structural neuroimaging marker of cognitive impairment in nondemented PD patients. All of the neuropsychological tests reflected regional brain atrophy, but no specific patterns were seen corresponding to impairment in distinct cognitive domains.</div></front></TEI><affiliations><list><country><li>Espagne</li></country></list><tree><noCountry><name sortKey="Baggio, Hugo Cesar" sort="Baggio, Hugo Cesar" uniqKey="Baggio H" first="Hugo César" last="Baggio">Hugo César Baggio</name><name sortKey="Bargallo, Nuria" sort="Bargallo, Nuria" uniqKey="Bargallo N" first="Núria" last="Bargallo">Núria Bargallo</name><name sortKey="Compta, Yaroslau" sort="Compta, Yaroslau" uniqKey="Compta Y" first="Yaroslau" last="Compta">Yaroslau Compta</name><name sortKey="Garcia Diaz, Anna Isabel" sort="Garcia Diaz, Anna Isabel" uniqKey="Garcia Diaz A" first="Anna Isabel" last="Garcia-Diaz">Anna Isabel Garcia-Diaz</name><name sortKey="Junque, Carme" sort="Junque, Carme" uniqKey="Junque C" first="Carme" last="Junque">Carme Junque</name><name sortKey="Marti, Maria Josep" sort="Marti, Maria Josep" uniqKey="Marti M" first="Maria Josep" last="Marti">Maria Josep Marti</name><name sortKey="Tolosa, Eduardo" sort="Tolosa, Eduardo" uniqKey="Tolosa E" first="Eduardo" last="Tolosa">Eduardo Tolosa</name><name sortKey="Valldeoriola, Francesc" sort="Valldeoriola, Francesc" uniqKey="Valldeoriola F" first="Francesc" last="Valldeoriola">Francesc Valldeoriola</name><name sortKey="Vendrell, Pere" sort="Vendrell, Pere" uniqKey="Vendrell P" first="Pere" last="Vendrell">Pere Vendrell</name></noCountry><country name="Espagne"><noRegion><name sortKey="Segura, Barbara" sort="Segura, Barbara" uniqKey="Segura B" first="Bàrbara" last="Segura">Bàrbara Segura</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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