MovDisordV3, Main, Merge, bibRecord, 006885

Bilaterally coherent tremor resembling enhanced physiological tremor: Report of three cases

Identifieur interne : 006885 ( Main/Merge ); précédent : 006884; suivant : 006886

Bilaterally coherent tremor resembling enhanced physiological tremor: Report of three cases

Auteurs : John D. O'Sullivan [Royaume-Uni] ; John Rothwell [Royaume-Uni] ; Andrew Lees (neurologue) [Royaume-Uni] ; Peter Brown [Royaume-Uni]

Source :

Movement disorders [ 0885-3185 ] ; 2002.

RBID : Pascal:02-0313424

Descripteurs français

Pascal (Inist)
- Tremblement, Bilatéral, Tremblement physiologique, Etude cas, Forme clinique, Homme.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Bilateral, Case study, Clinical form, Human, Physiological tremor, Tremor.

Abstract

The contribution of the central nervous system to tremor pathogenesis is unclear. Poor side-to-side coherence in physiological, essential, and parkinsonian tremors suggests distinct bilateral generators. By contrast, significant bilateral coherence demonstrated in orthostatic tremor and in enhanced physiological tremor (EPT) in patients with persistent mirror movements favours single or closely linked bilateral oscillators. We describe three patients (aged 21-37 years) who developed unusual bilateral postural and kinetic tremors at 6-13 Hz resembling EPT. The tremor involved all limbs, and in two cases the face or jaw, in the absence of other significant neurological features. Significant side-to-side coherence was demonstrated in each case using cross-correlation of electromyographic recordings from homologous muscle pairs. We postulate that these unusual tremors originate from a single brainstem source or from bilateral oscillators closely linked at or below this level.

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Pascal:02-0313424

Le document en format XML

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<author><name sortKey="Lees, Andrew J" sort="Lees, Andrew J" uniqKey="Lees A" first="Andrew J." last="Lees">Andrew Lees (neurologue)</name>
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<front><div type="abstract" xml:lang="en">The contribution of the central nervous system to tremor pathogenesis is unclear. Poor side-to-side coherence in physiological, essential, and parkinsonian tremors suggests distinct bilateral generators. By contrast, significant bilateral coherence demonstrated in orthostatic tremor and in enhanced physiological tremor (EPT) in patients with persistent mirror movements favours single or closely linked bilateral oscillators. We describe three patients (aged 21-37 years) who developed unusual bilateral postural and kinetic tremors at 6-13 Hz resembling EPT. The tremor involved all limbs, and in two cases the face or jaw, in the absence of other significant neurological features. Significant side-to-side coherence was demonstrated in each case using cross-correlation of electromyographic recordings from homologous muscle pairs. We postulate that these unusual tremors originate from a single brainstem source or from bilateral oscillators closely linked at or below this level.</div>
</front>
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<name sortKey="Lees, Andrew J" sort="Lees, Andrew J" uniqKey="Lees A" first="Andrew J." last="Lees">Andrew Lees (neurologue)</name>
<name sortKey="Lees, Andrew J" sort="Lees, Andrew J" uniqKey="Lees A" first="Andrew J." last="Lees">Andrew Lees (neurologue)</name>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Bilaterally coherent tremor resembling enhanced physiological tremor: Report of three cases

Bilaterally coherent tremor resembling enhanced physiological tremor: Report of three cases

Source :

Descripteurs français

English descriptors

Abstract

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

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri