ParkinsonFranceV1, PubMed, Corpus, bibRecord, 000D49

Myoclonus or tremor in orthostatism: an under-recognized cause of unsteadiness in Parkinson's disease.

Identifieur interne : 000D49 ( PubMed/Corpus ); précédent : 000D48; suivant : 000D50

Myoclonus or tremor in orthostatism: an under-recognized cause of unsteadiness in Parkinson's disease.

Auteurs : Smaranda Leu-Semenescu ; Emmanuel Roze ; Marie Vidailhet ; André-Pierre Legrand ; Jean-Marc Trocello ; Valérie Cochen ; Sophie Sangla ; Emmanuelle Apartis

Source :

Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2007.

RBID : pubmed:17674413

English descriptors

KwdEn :
- Adult, Aged, Aged, 80 and over, Electromyography, Female, Humans, Hypotension, Orthostatic (etiology), Male, Middle Aged, Muscle Rigidity (etiology), Myoclonus (complications), Parkinson Disease (physiopathology), Retrospective Studies, Tremor (complications).
MESH :
- complications : Myoclonus, Tremor.
- etiology : Hypotension, Orthostatic, Muscle Rigidity.
- physiopathology : Parkinson Disease.
- Adult, Aged, Aged, 80 and over, Electromyography, Female, Humans, Male, Middle Aged, Retrospective Studies.

Abstract

Patients with Parkinson's disease (PD) often complain of unsteadiness. This can occur as the result of various neurological dysfunctions, including changes in postural adjustments, loss of postural reflexes, axial akinesia and rigidity, freezing and/or postural hypotension. In some cases these symptoms remain unexplained, and rare cases of unsteadiness have been attributed to tremor on standing. To delineate this condition, we investigated 11 consecutive PD patients with unexplained unsteadiness because of tremor on standing, seen in our department over a 6-year period. All the patients had detailed clinical and electrophysiological investigations based on surface polygraphic electromyographic recordings. Four patients had fast orthostatic tremor (13-18 Hz), one had intermediate orthostatic tremor (8-9 Hz), and three had slow orthostatic tremor (4-6 Hz). The remaining 3 patients had orthostatic myoclonus, a condition that has not previously been reported in PD. Patients with fast tremor improved on clonazepam. Patients with slow tremor and myoclonus improved on levodopa and sometimes benefited further when clonazepam was added. These observations show the usefulness of neurophysiological investigations for diagnosing and treating unexplained unsteadiness in Parkinson's disease.

DOI: 10.1002/mds.21651
PubMed: 17674413

Links to Exploration step

pubmed:17674413

Le document en format XML

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<author><name sortKey="Leu Semenescu, Smaranda" sort="Leu Semenescu, Smaranda" uniqKey="Leu Semenescu S" first="Smaranda" last="Leu-Semenescu">Smaranda Leu-Semenescu</name>
<affiliation><nlm:affiliation>Department of Neurology, Saint-Antoine Hospital, AP-HP, Paris, France.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Roze, Emmanuel" sort="Roze, Emmanuel" uniqKey="Roze E" first="Emmanuel" last="Roze">Emmanuel Roze</name>
</author>
<author><name sortKey="Vidailhet, Marie" sort="Vidailhet, Marie" uniqKey="Vidailhet M" first="Marie" last="Vidailhet">Marie Vidailhet</name>
</author>
<author><name sortKey="Legrand, Andre Pierre" sort="Legrand, Andre Pierre" uniqKey="Legrand A" first="André-Pierre" last="Legrand">André-Pierre Legrand</name>
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<author><name sortKey="Trocello, Jean Marc" sort="Trocello, Jean Marc" uniqKey="Trocello J" first="Jean-Marc" last="Trocello">Jean-Marc Trocello</name>
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<author><name sortKey="Cochen, Valerie" sort="Cochen, Valerie" uniqKey="Cochen V" first="Valérie" last="Cochen">Valérie Cochen</name>
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<author><name sortKey="Sangla, Sophie" sort="Sangla, Sophie" uniqKey="Sangla S" first="Sophie" last="Sangla">Sophie Sangla</name>
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<author><name sortKey="Apartis, Emmanuelle" sort="Apartis, Emmanuelle" uniqKey="Apartis E" first="Emmanuelle" last="Apartis">Emmanuelle Apartis</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Myoclonus or tremor in orthostatism: an under-recognized cause of unsteadiness in Parkinson's disease.</title>
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<author><name sortKey="Legrand, Andre Pierre" sort="Legrand, Andre Pierre" uniqKey="Legrand A" first="André-Pierre" last="Legrand">André-Pierre Legrand</name>
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<author><name sortKey="Trocello, Jean Marc" sort="Trocello, Jean Marc" uniqKey="Trocello J" first="Jean-Marc" last="Trocello">Jean-Marc Trocello</name>
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<term>Electromyography</term>
<term>Female</term>
<term>Humans</term>
<term>Hypotension, Orthostatic (etiology)</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Muscle Rigidity (etiology)</term>
<term>Myoclonus (complications)</term>
<term>Parkinson Disease (physiopathology)</term>
<term>Retrospective Studies</term>
<term>Tremor (complications)</term>
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<term>Tremor</term>
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<keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Hypotension, Orthostatic</term>
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<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Electromyography</term>
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<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
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<front><div type="abstract" xml:lang="en">Patients with Parkinson's disease (PD) often complain of unsteadiness. This can occur as the result of various neurological dysfunctions, including changes in postural adjustments, loss of postural reflexes, axial akinesia and rigidity, freezing and/or postural hypotension. In some cases these symptoms remain unexplained, and rare cases of unsteadiness have been attributed to tremor on standing. To delineate this condition, we investigated 11 consecutive PD patients with unexplained unsteadiness because of tremor on standing, seen in our department over a 6-year period. All the patients had detailed clinical and electrophysiological investigations based on surface polygraphic electromyographic recordings. Four patients had fast orthostatic tremor (13-18 Hz), one had intermediate orthostatic tremor (8-9 Hz), and three had slow orthostatic tremor (4-6 Hz). The remaining 3 patients had orthostatic myoclonus, a condition that has not previously been reported in PD. Patients with fast tremor improved on clonazepam. Patients with slow tremor and myoclonus improved on levodopa and sometimes benefited further when clonazepam was added. These observations show the usefulness of neurophysiological investigations for diagnosing and treating unexplained unsteadiness in Parkinson's disease.</div>
</front>
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<Title>Movement disorders : official journal of the Movement Disorder Society</Title>
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<Pagination><MedlinePgn>2063-9</MedlinePgn>
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<Abstract><AbstractText>Patients with Parkinson's disease (PD) often complain of unsteadiness. This can occur as the result of various neurological dysfunctions, including changes in postural adjustments, loss of postural reflexes, axial akinesia and rigidity, freezing and/or postural hypotension. In some cases these symptoms remain unexplained, and rare cases of unsteadiness have been attributed to tremor on standing. To delineate this condition, we investigated 11 consecutive PD patients with unexplained unsteadiness because of tremor on standing, seen in our department over a 6-year period. All the patients had detailed clinical and electrophysiological investigations based on surface polygraphic electromyographic recordings. Four patients had fast orthostatic tremor (13-18 Hz), one had intermediate orthostatic tremor (8-9 Hz), and three had slow orthostatic tremor (4-6 Hz). The remaining 3 patients had orthostatic myoclonus, a condition that has not previously been reported in PD. Patients with fast tremor improved on clonazepam. Patients with slow tremor and myoclonus improved on levodopa and sometimes benefited further when clonazepam was added. These observations show the usefulness of neurophysiological investigations for diagnosing and treating unexplained unsteadiness in Parkinson's disease.</AbstractText>
<CopyrightInformation>(c) 2007 Movement Disorder Society.</CopyrightInformation>
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Myoclonus or tremor in orthostatism: an under-recognized cause of unsteadiness in Parkinson's disease.

Myoclonus or tremor in orthostatism: an under-recognized cause of unsteadiness in Parkinson's disease.

Source :

English descriptors

Abstract

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

Pour générer des pages wiki