Ventricular enlargement and mild cognitive impairment in early Parkinson's disease
Identifieur interne : 001282 ( Main/Exploration ); précédent : 001281; suivant : 001283Ventricular enlargement and mild cognitive impairment in early Parkinson's disease
Auteurs : Turi O. Dalaker [Norvège, États-Unis] ; Robert Zivadinov [États-Unis] ; Deepa Preeti Ramasamy [États-Unis] ; Mona K. Beyer [Norvège] ; Guido Alves [Norvège] ; Kolbjorn S. Bronnick [Norvège] ; Ole-Bjorn Tysnes [Norvège] ; Dag Aarsland [Norvège] ; Jan P. Larsen [Norvège]Source :
- Movement Disorders [ 0885-3185 ] ; 2011-02-01.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
- Aged, Analysis of Variance, Cognition Disorders (pathology), Cognition Disorders (physiopathology), Cognitive disorder, Disease Progression, Female, Humans, Image Processing, Computer-Assisted, Lateral Ventricles (pathology), Lateral Ventricles (physiopathology), MCI (mild cognitive impairment), MRI, Magnetic Resonance Imaging, Male, Middle Aged, Nervous system diseases, Neuropsychological Tests, Nuclear magnetic resonance imaging, Parkinson Disease (pathology), Parkinson Disease (physiopathology), Parkinson disease, Parkinson's disease, Severity of Illness Index, Third Ventricle (pathology), Third Ventricle (physiopathology), Volumetric analysis, mild cognitive impairment, volumetric MRI.
- MESH :
- pathology : Cognition Disorders, Lateral Ventricles, Parkinson Disease, Third Ventricle.
- physiopathology : Cognition Disorders, Lateral Ventricles, Parkinson Disease, Third Ventricle.
- Aged, Analysis of Variance, Disease Progression, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Middle Aged, Neuropsychological Tests, Severity of Illness Index.
Abstract
Mild cognitive impairment (MCI) may predict future development of dementia in Parkinson's disease (PD). We aimed to examine the extent of subcortical brain atrophy in patients with early PD with and without MCI compared to normal controls (NC). Participating in a population‐based study were 43 early, drug‐naïve PD patients and 41 NC. Eleven patients were classified with MCI (MCI PD) and 32 patients without (non‐MCI PD). Volumetric segmentation of 3D‐T1 weighted brain MRI was performed using FreeSurfer. Groups were compared applying MANCOVA corrected for total intracranial volume, age, and sex. Results showed that left inferior lateral ventricle and third ventricle volumes were significantly larger in MCI PD than in non‐MCI PD and NC. Fourth ventricular size in MCI PD was significantly different from NC and highly correlated with memory performance in MCI PD patients. This suggests that cognitive dysfunction in early PD may be associated with ventricular enlargement. © 2010 Movement Disorder Society
Url:
DOI: 10.1002/mds.23443
Affiliations:
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<term>Cognition Disorders (physiopathology)</term>
<term>Cognitive disorder</term>
<term>Disease Progression</term>
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<term>Image Processing, Computer-Assisted</term>
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<front><div type="abstract" xml:lang="en">Mild cognitive impairment (MCI) may predict future development of dementia in Parkinson's disease (PD). We aimed to examine the extent of subcortical brain atrophy in patients with early PD with and without MCI compared to normal controls (NC). Participating in a population‐based study were 43 early, drug‐naïve PD patients and 41 NC. Eleven patients were classified with MCI (MCI PD) and 32 patients without (non‐MCI PD). Volumetric segmentation of 3D‐T1 weighted brain MRI was performed using FreeSurfer. Groups were compared applying MANCOVA corrected for total intracranial volume, age, and sex. Results showed that left inferior lateral ventricle and third ventricle volumes were significantly larger in MCI PD than in non‐MCI PD and NC. Fourth ventricular size in MCI PD was significantly different from NC and highly correlated with memory performance in MCI PD patients. This suggests that cognitive dysfunction in early PD may be associated with ventricular enlargement. © 2010 Movement Disorder Society</div>
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