Hyposmia and executive dysfunction as predictors of future Parkinson's disease: A prospective study
Identifieur interne : 002266 ( Main/Exploration ); précédent : 002265; suivant : 002267Hyposmia and executive dysfunction as predictors of future Parkinson's disease: A prospective study
Auteurs : Mirthe M. Ponsen [Pays-Bas] ; Diederick Stoffers [Pays-Bas] ; Jos W. R. Twisk [Pays-Bas] ; Erik Ch. Wolters [Pays-Bas] ; Henk W. Berendse [Pays-Bas]Source :
- Movement Disorders [ 0885-3185 ] ; 2009-05-15.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Prospective.
English descriptors
- KwdEn :
- Aged, Asymptomatic, Cognition, Cognition Disorders (etiology), Cognitive disorder, Diagnosis, Family Health, Female, Humans, Longitudinal Studies, Male, Middle Aged, Nervous system diseases, Neurologic Examination, Neuropsychological Tests, Olfaction, Olfaction Disorders (complications), Olfactory disorder, Parkinson Disease (diagnosis), Parkinson Disease (etiology), Parkinson disease, Parkinson's disease, Predictive Value of Tests, Problem Solving (physiology), Prospective, Regression Analysis, cognition, early diagnosis, olfaction, preclinical period.
- MESH :
- complications : Olfaction Disorders.
- diagnosis : Parkinson Disease.
- etiology : Cognition Disorders, Parkinson Disease.
- physiology : Problem Solving.
- Aged, Family Health, Female, Humans, Longitudinal Studies, Male, Middle Aged, Neurologic Examination, Neuropsychological Tests, Predictive Value of Tests, Regression Analysis.
Abstract
Olfactory deficits and executive dysfunction are early and common symptoms in Parkinson's disease (PD). Previous studies have shown that hyposmia can be a first sign of PD. The aim of the present study was to determine which of three olfactory tests and two selected tests of executive function would be the best predictor of future PD over a 5 year period. In a cohort of 361 nonparkinsonian, nondemented first‐degree relatives of PD patients, in whom alternative causes of olfactory dysfunction were excluded, we measured baseline performance on three olfactory and two executive function tasks. Five years from baseline, clinical neurological evaluation and/or a screening questionnaire, sensitive to the presence of Parkinsonism, were used to detect individuals developing clinical PD. Our results show that in first degree relatives of PD patients worse performance on each of three olfactory processing tasks was associated with an increased risk of developing PD within 5 years, whereas performance on selected tests of executive dysfunction was not associated with an increased risk of developing PD. Interestingly, impaired odor discrimination was the best predictor for future PD. © 2009 Movement Disorder Society
Url:
DOI: 10.1002/mds.22534
Affiliations:
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Le document en format XML
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<term>Cognitive disorder</term>
<term>Diagnosis</term>
<term>Family Health</term>
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<term>Humans</term>
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<term>Parkinson Disease (etiology)</term>
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<term>Regression Analysis</term>
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<term>Cognition</term>
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<front><div type="abstract" xml:lang="en">Olfactory deficits and executive dysfunction are early and common symptoms in Parkinson's disease (PD). Previous studies have shown that hyposmia can be a first sign of PD. The aim of the present study was to determine which of three olfactory tests and two selected tests of executive function would be the best predictor of future PD over a 5 year period. In a cohort of 361 nonparkinsonian, nondemented first‐degree relatives of PD patients, in whom alternative causes of olfactory dysfunction were excluded, we measured baseline performance on three olfactory and two executive function tasks. Five years from baseline, clinical neurological evaluation and/or a screening questionnaire, sensitive to the presence of Parkinsonism, were used to detect individuals developing clinical PD. Our results show that in first degree relatives of PD patients worse performance on each of three olfactory processing tasks was associated with an increased risk of developing PD within 5 years, whereas performance on selected tests of executive dysfunction was not associated with an increased risk of developing PD. Interestingly, impaired odor discrimination was the best predictor for future PD. © 2009 Movement Disorder Society</div>
</front>
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