Progression of Cortical Thinning in Early Parkinson's Disease
Identifieur interne : 002D00 ( PascalFrancis/Curation ); précédent : 002C99; suivant : 002D01Progression of Cortical Thinning in Early Parkinson's Disease
Auteurs : Naroa Ibarretxe-Bilbao [Espagne] ; Carme Junque [Espagne] ; Barbara Segura [Espagne] ; Hugo C. Baggio [Espagne] ; Maria J. Marti [Espagne] ; Francesc Valldeoriola [Espagne] ; Nuria Bargallo [Espagne] ; Eduardo Tolosa [Espagne]Source :
- Movement disorders [ 0885-3185 ] ; 2012.
Descripteurs français
- Pascal (Inist)
English descriptors
Abstract
The aim of this study was to investigate the progression of cortical thinning and gray-matter (GM) volume loss in early Parkinson's disease (PD). MRI and neuropsychological assessment were obtained at baseline and follow-up (mean ± standard deviation = 35.50 ± 1.88 months) in a group of 16 early-PD patients (H & Y stage ≤II and disease duration ≤5 years) and 15 healthy controls matched for age, gender, and years of education. FreeSurfer software was used for the analysis of cortical thickness as well as for cortical and subcortical volumetric analyses. Voxel-based morphometry analysis was performed using SPM8. Compared to controls, PD patients showed greater regional cortical thinning in bilateral frontotemporal regions as well as greater over-time total GM loss and amygdalar volume reduction. PD patients and controls presented similar over-time changes in cognitive functioning. In early-PD patients, global GM loss, amygdalar atrophy, and cortical thinning in frontotemporal regions are specifically associated with the PD-degenerative process.
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Progression of Cortical Thinning in Early Parkinson's Disease</title>
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<series><title level="j" type="main">Movement disorders</title>
<title level="j" type="abbreviated">Mov. disord.</title>
<idno type="ISSN">0885-3185</idno>
<imprint><date when="2012">2012</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cognition</term>
<term>Nervous system diseases</term>
<term>Parkinson disease</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Maladie de Parkinson</term>
<term>Pathologie du système nerveux</term>
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<front><div type="abstract" xml:lang="en">The aim of this study was to investigate the progression of cortical thinning and gray-matter (GM) volume loss in early Parkinson's disease (PD). MRI and neuropsychological assessment were obtained at baseline and follow-up (mean ± standard deviation = 35.50 ± 1.88 months) in a group of 16 early-PD patients (H & Y stage ≤II and disease duration ≤5 years) and 15 healthy controls matched for age, gender, and years of education. FreeSurfer software was used for the analysis of cortical thickness as well as for cortical and subcortical volumetric analyses. Voxel-based morphometry analysis was performed using SPM8. Compared to controls, PD patients showed greater regional cortical thinning in bilateral frontotemporal regions as well as greater over-time total GM loss and amygdalar volume reduction. PD patients and controls presented similar over-time changes in cognitive functioning. In early-PD patients, global GM loss, amygdalar atrophy, and cortical thinning in frontotemporal regions are specifically associated with the PD-degenerative process.</div>
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