MovDisordV3, Main, Exploration, bibRecord, 002213

Mirror movements in patients with essential tremor

Identifieur interne : 002213 ( Main/Exploration ); précédent : 002212; suivant : 002214

Mirror movements in patients with essential tremor

Auteurs : Elan D. Louis [États-Unis] ; Eileen Rios [États-Unis] ; Claire Henchcliffe [États-Unis]

Source :

Movement Disorders [ 0885-3185 ] ; 2009-11-15.

RBID : ISTEX:E9476CBDC79FE6C9D59034FE64B4844743D1F5BA

Descripteurs français

Pascal (Inist)
- Homme, Maladie de Parkinson, Miroir, Pathologie du système nerveux, Tremblement.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Aged, Aged, 80 and over, Disability Evaluation, Essential Tremor (physiopathology), Female, Functional Laterality (physiology), Human, Humans, Male, Middle Aged, Mirror, Nervous system diseases, Parkinson disease, Parkinson's disease, Psychomotor Performance (physiology), Retrospective Studies, Severity of Illness Index, Tremor, clinical, essential tremor, mirror movements.
MESH :
- physiology : Functional Laterality, Psychomotor Performance.
- physiopathology : Essential Tremor.
- Aged, Aged, 80 and over, Disability Evaluation, Female, Humans, Male, Middle Aged, Retrospective Studies, Severity of Illness Index.

Abstract

Mirror movements (MM), which occur in age‐related neurodegenerative diseases such as Parkinson's disease (PD), have never been studied in essential tremor (ET). The objective of this work is to study the prevalence and clinical correlates of MM in ET cases and controls. In a clinical‐epidemiological study in New York, participants performed repetitive motor tasks; MM (hands and feet) were rated. MM occurred in 35/107 (32.7%) ET cases versus 23/97 (23.7%) controls (OR 1.56, P = 0.16). Total MM score was 2× higher in cases (3.9 ± 7.7 vs. 1.9 ± 3.9, P = 0.02). MM (hands) occurred in 16 (15.0%) cases versus 5 (5.2%) controls (OR 3.24, P = 0.03) and total hand MM score was three to four times higher in ET cases (1.4 ± 4.5 vs. 0.4 ± 2.0, P = 0.03). MMs were not correlated with age, tremor duration, or severity and were most severe in cases with rest tremor. Thus, it was concluded that MM occurred in 1/3 of ET cases. These results further expand the spectrum of nontremor, motor phenomenology seen in ET. Whether, as in PD, MMs in ET represent a failure of subcortical structures to support the cortical network involved with the initiation of unilateral motor activity, requires future neurophysiological investigation. © 2009 Movement Disorder Society

Url:

DOI: 10.1002/mds.22749

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="fr">Mirror movements (MM), which occur in age‐related neurodegenerative diseases such as Parkinson's disease (PD), have never been studied in essential tremor (ET). The objective of this work is to study the prevalence and clinical correlates of MM in ET cases and controls. In a clinical‐epidemiological study in New York, participants performed repetitive motor tasks; MM (hands and feet) were rated. MM occurred in 35/107 (32.7%) ET cases versus 23/97 (23.7%) controls (OR 1.56, P = 0.16). Total MM score was 2× higher in cases (3.9 ± 7.7 vs. 1.9 ± 3.9, P = 0.02). MM (hands) occurred in 16 (15.0%) cases versus 5 (5.2%) controls (OR 3.24, P = 0.03) and total hand MM score was three to four times higher in ET cases (1.4 ± 4.5 vs. 0.4 ± 2.0, P = 0.03). MMs were not correlated with age, tremor duration, or severity and were most severe in cases with rest tremor. Thus, it was concluded that MM occurred in 1/3 of ET cases. These results further expand the spectrum of nontremor, motor phenomenology seen in ET. Whether, as in PD, MMs in ET represent a failure of subcortical structures to support the cortical network involved with the initiation of unilateral motor activity, requires future neurophysiological investigation. © 2009 Movement Disorder Society</div>
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Movement Disorders (revue)

Mirror movements in patients with essential tremor

Mirror movements in patients with essential tremor

Source :

Descripteurs français

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

	Movement Disorders (revue)
	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.