Pallidotomy for Tremor
Identifieur interne : 004F36 ( Main/Exploration ); précédent : 004F35; suivant : 004F37Pallidotomy for Tremor
Auteurs : Andres M. Lozano [Canada] ; Anthony E. Lang [Canada] ; William D. Hutchison [Canada]Source :
- Movement Disorders [ 0885-3185 ] ; 1998.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Adulte.
English descriptors
- KwdEn :
- MESH :
- surgery : Globus Pallidus, Tremor.
- Humans.
Abstract
We studied tremor‐related activity in globus pallidus internus (GPi) neurons and the effects of pallidotomy on tremor in patients with Parkinson's disease. By using micro‐electrode recording, we identified GPi neurons with rhythmic firing at the frequency of contralateral tremor. There was a strong correlation between the tremor‐related neuronal activity and limb tremor (r = 0.73). The majority of tremor‐related neurons were located in the ventral one half of the caudal GPi, the area that is the target for pallidotomy. We found that pallidotomy produced striking improvements in off‐period contralateral tremor. These effects were immediate and were maintained for ≥ 2 years. This benefit is obtained despite the progressive nature of the illness and the often reduced dose of medications after surgery.
Url:
DOI: 10.1002/mds.870131319
Affiliations:
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Le document en format XML
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<series><title level="j">Movement Disorders</title>
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<term>Electrocoagulation</term>
<term>Globus Pallidus (surgery)</term>
<term>Globus pallidus internus</term>
<term>Humans</term>
<term>Pallidotomy</term>
<term>Pallidum</term>
<term>Parkinson disease</term>
<term>Parkinson's disease</term>
<term>Prognosis</term>
<term>Stereotaxic surgery</term>
<term>Treatment</term>
<term>Tremor</term>
<term>Tremor (surgery)</term>
<term>Unilateral</term>
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<keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Globus Pallidus</term>
<term>Tremor</term>
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<keywords scheme="MESH" xml:lang="en"><term>Humans</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Adulte</term>
<term>Chirurgie stéréotaxique</term>
<term>Electrocoagulation</term>
<term>Pallidotomie</term>
<term>Pallidum</term>
<term>Parkinson maladie</term>
<term>Pronostic</term>
<term>Traitement</term>
<term>Tremblement</term>
<term>Unilatéral</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Adulte</term>
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<front><div type="abstract" xml:lang="en">We studied tremor‐related activity in globus pallidus internus (GPi) neurons and the effects of pallidotomy on tremor in patients with Parkinson's disease. By using micro‐electrode recording, we identified GPi neurons with rhythmic firing at the frequency of contralateral tremor. There was a strong correlation between the tremor‐related neuronal activity and limb tremor (r = 0.73). The majority of tremor‐related neurons were located in the ventral one half of the caudal GPi, the area that is the target for pallidotomy. We found that pallidotomy produced striking improvements in off‐period contralateral tremor. These effects were immediate and were maintained for ≥ 2 years. This benefit is obtained despite the progressive nature of the illness and the often reduced dose of medications after surgery.</div>
</front>
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<tree><country name="Canada"><region name="Ontario"><name sortKey="Lozano, Andres M" sort="Lozano, Andres M" uniqKey="Lozano A" first="Andres M." last="Lozano">Andres M. Lozano</name>
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<name sortKey="Hutchison, William D" sort="Hutchison, William D" uniqKey="Hutchison W" first="William D." last="Hutchison">William D. Hutchison</name>
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