ParkinsonFranceV1, Main, Exploration, bibRecord, 002321

Discordance between measured postural instability and absence of clinical symptoms in Parkinson's disease patients in the early stages of the disease.

Identifieur interne : 002321 ( Main/Exploration ); précédent : 002320; suivant : 002322

Discordance 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 ; David Maltête ; Jacques Weber

Source :

Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2008.

RBID : pubmed:18044726

English descriptors

KwdEn :
- Aged, Aged, 80 and over, Case-Control Studies, Eye, Female, Humans, Male, Middle Aged, Movement, Parkinson Disease (physiopathology), Postural Balance, Posture (physiology), Pressure, Proprioception, Vestibular Function Tests.
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.

DOI: 10.1002/mds.21840
PubMed: 18044726

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">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.</div>
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La maladie de Parkinson en France (serveur d'exploration)

Discordance between measured postural instability and absence of clinical symptoms in Parkinson's disease patients in the early stages of the disease.

Discordance between measured postural instability and absence of clinical symptoms in Parkinson's disease patients in the early stages of the disease.

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	La maladie de Parkinson en France (serveur d'exploration)
	Attention, ce site est en cours de développement ! Attention, site généré par des moyens informatiques à partir de corpus bruts. Les informations ne sont donc pas validées.