MovDisordV3, Main, Merge, bibRecord, 003955

Bilateral Effects of Unilateral Thalamic Deep Brain Stimulation : A Case Report

Identifieur interne : 003955 ( Main/Merge ); précédent : 003954; suivant : 003956

Bilateral Effects of Unilateral Thalamic Deep Brain Stimulation : A Case Report

Auteurs : Norbert Kovacs [Hongrie] ; Endre Pal [Hongrie] ; Hajnalka Merkli [Hongrie] ; Lorant Kellenyi [Hongrie] ; Ferenc Nagy [Hongrie] ; Jozsef Janszky [Hongrie] ; Istvan Balas [Hongrie]

Source :

Movement disorders [ 0885-3185 ] ; 2008.

RBID : Pascal:08-0133673

Descripteurs français

Pascal (Inist)
- Encéphalopathie mitochondriale, Tremblement, Pathologie du système nerveux, Etude cas, Thalamotomie, Noyau ventral, Stimulation cérébrale profonde.

English descriptors

KwdEn :
- Case study, Deep brain stimulation, Mitochondrial encephalopathy, Nervous system diseases, Thalamotomy, Tremor, Ventral nucleus.

Abstract

A recent study has proved that unilateral deep brain stimulation (DBS) of the subthalamic nucleus has bilateral effects. However, it is still unclear whether unilateral ventral intermediate thalamic nucleus (Vim) DBS exerts exclusively contralateral or bilateral effects on tremor. Previous studies demonstrated a clinically irrelevant improvement on the nontarget side after thalamic stimulator implantation, which was considered to be solely the result of mechanical effects. We report here the case of a 55-year-old woman in whom unilateral thalamic DBS can stop the disabling postural-kinetic tremor in both hands. Simultaneous surface electromyography (sEMG), accelerometry, and video recordings were obtained to evaluate the underlying mechanism. After the right Vim DBS was turned off, moderate rest tremor appeared in both hands accompanied by bilateral bursts on sEMG. Because right hand tremor cannot simply reflect the mechanical overflow of the left side, the bilateral improvement caused by right Vim DBS is probably due to an active tremor reduction in this particular case.

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Pascal:08-0133673

Le document en format XML

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<front><div type="abstract" xml:lang="en">A recent study has proved that unilateral deep brain stimulation (DBS) of the subthalamic nucleus has bilateral effects. However, it is still unclear whether unilateral ventral intermediate thalamic nucleus (Vim) DBS exerts exclusively contralateral or bilateral effects on tremor. Previous studies demonstrated a clinically irrelevant improvement on the nontarget side after thalamic stimulator implantation, which was considered to be solely the result of mechanical effects. We report here the case of a 55-year-old woman in whom unilateral thalamic DBS can stop the disabling postural-kinetic tremor in both hands. Simultaneous surface electromyography (sEMG), accelerometry, and video recordings were obtained to evaluate the underlying mechanism. After the right Vim DBS was turned off, moderate rest tremor appeared in both hands accompanied by bilateral bursts on sEMG. Because right hand tremor cannot simply reflect the mechanical overflow of the left side, the bilateral improvement caused by right Vim DBS is probably due to an active tremor reduction in this particular case.</div>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Bilateral Effects of Unilateral Thalamic Deep Brain Stimulation : A Case Report

Bilateral Effects of Unilateral Thalamic Deep Brain Stimulation : A Case Report

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