Discordance between measured postural instability and absence of clinical symptoms in Parkinson's disease patients in the early stages of the disease
Identifieur interne : 000295 ( France/Analysis ); précédent : 000294; suivant : 000296Discordance between measured postural instability and absence of clinical symptoms in Parkinson's disease patients in the early stages of the disease
Auteurs : Nathalie Chastan [France] ; Bertrand Debono [France] ; David Maltête [France] ; Jacques Weber [France]Source :
- Movement Disorders [ 0885-3185 ] ; 2008-02-15.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Aged, Aged, 80 and over, Case-Control Studies, De novo, Early stage, Eye, Female, Human, Humans, Instability, Male, Middle Aged, Movement, Nervous system diseases, Parkinson Disease (physiopathology), Parkinson de novo, Parkinson disease, Parkinson's disease, Postural Balance, Posture (physiology), Posturography, Pressure, Proprioception, Vestibular Function Tests, balance, posturography.
- MESH :
- physiology : Posture.
- physiopathology : Parkinson Disease.
- Aged, Aged, 80 and over, Case-Control Studies, Eye, Female, Humans, Male, Middle Aged, Movement, Postural Balance, Pressure, Proprioception, Vestibular Function Tests.
Abstract
We compared postural performances in early stage Parkinson's disease (PD) patients and healthy subjects, and to determine if PD patients have infraclinical postural instability. Nine PD patients and 18 age‐ and sex‐matched control subjects were recorded with open eyes (OE) and closed eyes (CE) using a force platform in static and dynamic conditions with a mobile platform allowing antero posterior and medio lateral oscillations. Oscillations of the mobile platform and balance strategy were quantified using both a force platform and the Vicon system. Under static conditions with both OE and CE, PD patients had a larger center foot pressure sway area than the control subjects (P = 0.007 and P = 0.04, respectively). Under dynamic conditions, the PD patients' sway area was greater than that of the control subjects in the CE antero posterior position (P = 0.04). Oscillations of the mobile platform were not different between the two groups. Lastly, all subjects used an ankle strategy, but PD patients had larger head oscillations than the control subjects. Early stage PD patients have an infraclinical postural instability which is compensated when it is more difficult to maintain good balance, suggesting that the neurological mechanisms of balance are partially still operating at this stage of the disease. © 2007 Movement Disorder Society
Url:
DOI: 10.1002/mds.21840
Affiliations:
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ISTEX:656F945DE7C87B30B5895C4B6119B9B4856E3D75Le document en format XML
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Nine PD patients and 18 age‐ and sex‐matched control subjects were recorded with open eyes (OE) and closed eyes (CE) using a force platform in static and dynamic conditions with a mobile platform allowing antero posterior and medio lateral oscillations. Oscillations of the mobile platform and balance strategy were quantified using both a force platform and the Vicon system. Under static conditions with both OE and CE, PD patients had a larger center foot pressure sway area than the control subjects (P = 0.007 and P = 0.04, respectively). Under dynamic conditions, the PD patients' sway area was greater than that of the control subjects in the CE antero posterior position (P = 0.04). Oscillations of the mobile platform were not different between the two groups. Lastly, all subjects used an ankle strategy, but PD patients had larger head oscillations than the control subjects. Early stage PD patients have an infraclinical postural instability which is compensated when it is more difficult to maintain good balance, suggesting that the neurological mechanisms of balance are partially still operating at this stage of the disease. © 2007 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>France</li></country><settlement><li>Rouen</li></settlement></list><tree><country name="France"><noRegion><name sortKey="Chastan, Nathalie" sort="Chastan, Nathalie" uniqKey="Chastan N" first="Nathalie" last="Chastan">Nathalie Chastan</name></noRegion><name sortKey="Chastan, Nathalie" sort="Chastan, Nathalie" uniqKey="Chastan N" first="Nathalie" last="Chastan">Nathalie Chastan</name><name sortKey="Debono, Bertrand" sort="Debono, Bertrand" uniqKey="Debono B" first="Bertrand" last="Debono">Bertrand Debono</name><name sortKey="Debono, Bertrand" sort="Debono, Bertrand" uniqKey="Debono B" first="Bertrand" last="Debono">Bertrand Debono</name><name sortKey="Maltete, David" sort="Maltete, David" uniqKey="Maltete D" first="David" last="Maltête">David Maltête</name><name sortKey="Weber, Jacques" sort="Weber, Jacques" uniqKey="Weber J" first="Jacques" last="Weber">Jacques Weber</name><name sortKey="Weber, Jacques" sort="Weber, Jacques" uniqKey="Weber J" first="Jacques" last="Weber">Jacques Weber</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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