MovDisordV3, Main, Exploration, bibRecord, 004416

Is essential tremor predominantly a kinetic or a postural tremor? A clinical and electrophysiological study

Identifieur interne : 004416 ( Main/Exploration ); précédent : 004415; suivant : 004417

Is essential tremor predominantly a kinetic or a postural tremor? A clinical and electrophysiological study

Auteurs : Kevin C. Brennan [États-Unis] ; Eva C. Jurewicz [États-Unis] ; Blair Ford [États-Unis] ; Seth L. Pullman [États-Unis] ; Elan D. Louis [États-Unis]

Source :

Movement Disorders [ 0885-3185 ] ; 2002-03.

RBID : ISTEX:740802B97959AF8145D33BBB8BF64FC8F51FD94C

Descripteurs français

Pascal (Inist)
- Electrophysiologie, Essentiel, Exploration, Homme, Posture, Symptomatologie, Tremblement, Tremblement cinétique.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Aged, Electrodiagnosis, Electrophysiology, Essential, Essential Tremor (diagnosis), Essential Tremor (physiopathology), Exploration, Female, Human, Humans, Image Processing, Computer-Assisted, Male, Middle Aged, Motor Skills (physiology), Neurologic Examination, Posture, Posture (physiology), Sensitivity and Specificity, Symptomatology, Tremor, Videotape Recording, clinical features, electrophysiology, essential tremor, kinetic tremor, postural tremor.
MESH :
- diagnosis : Essential Tremor.
- physiology : Motor Skills, Posture.
- physiopathology : Essential Tremor.
- Aged, Electrodiagnosis, Female, Humans, Image Processing, Computer-Assisted, Male, Middle Aged, Neurologic Examination, Sensitivity and Specificity, Videotape Recording.

Abstract

Both postural and kinetic tremors may occur in essential tremor (ET), however the relative contribution of each is not clear. ET has been variably defined with respect to kinetic and postural tremors. To examine the relative severity of postural and kinetic tremors in ET, 50 ET cases from a clinic and 55 from a community underwent a videotaped tremor examination. Kinetic and postural tremors were rated using a validated clinical rating scale (score range, 0–3). Thirty‐one cases also underwent accelerometry to precisely quantify tremor amplitude. In clinic cases, the mean postural tremor rating was 1.25 (S.D., 0.89). The mean kinetic tremor rating was 52% higher (1.90; S.D., 0.57; P < 0.001). The community cases had similar characteristics. Sixty percent of the 105 cases had postural tremor ratings scoring 0 or 1 (no tremor or low amplitude, intermittent tremor). In clinic cases, the mean amplitude of postural tremor during tremor analysis was 0.51 mm (S.D., 0.66 mm), and the mean amplitude of kinetic tremor was 2.91 mm (S.D., 2.11 mm; P < 0.01). Similar values were obtained for community cases. These quantitative data suggest that kinetic tremor is more severe than postural tremor in ET. The majority of cases had mild or absent postural tremor. Despite this, ET is defined only as a postural tremor in many studies. Our data argue for a more consistent inclusion of kinetic tremor in diagnostic criteria for ET. © 2002 Movement Disorder Society.

Url:

https://api.istex.fr/document/740802B97959AF8145D33BBB8BF64FC8F51FD94C/fulltext/pdf

DOI: 10.1002/mds.10003

Affiliations:

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<front><div type="abstract" xml:lang="fr">Both postural and kinetic tremors may occur in essential tremor (ET), however the relative contribution of each is not clear. ET has been variably defined with respect to kinetic and postural tremors. To examine the relative severity of postural and kinetic tremors in ET, 50 ET cases from a clinic and 55 from a community underwent a videotaped tremor examination. Kinetic and postural tremors were rated using a validated clinical rating scale (score range, 0–3). Thirty‐one cases also underwent accelerometry to precisely quantify tremor amplitude. In clinic cases, the mean postural tremor rating was 1.25 (S.D., 0.89). The mean kinetic tremor rating was 52% higher (1.90; S.D., 0.57; P < 0.001). The community cases had similar characteristics. Sixty percent of the 105 cases had postural tremor ratings scoring 0 or 1 (no tremor or low amplitude, intermittent tremor). In clinic cases, the mean amplitude of postural tremor during tremor analysis was 0.51 mm (S.D., 0.66 mm), and the mean amplitude of kinetic tremor was 2.91 mm (S.D., 2.11 mm; P < 0.01). Similar values were obtained for community cases. These quantitative data suggest that kinetic tremor is more severe than postural tremor in ET. The majority of cases had mild or absent postural tremor. Despite this, ET is defined only as a postural tremor in many studies. Our data argue for a more consistent inclusion of kinetic tremor in diagnostic criteria for ET. © 2002 Movement Disorder Society.</div>
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Movement Disorders (revue)

Is essential tremor predominantly a kinetic or a postural tremor? A clinical and electrophysiological study

Is essential tremor predominantly a kinetic or a postural tremor? A clinical and electrophysiological study

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.