Evidence that ventrolateral thalamotomy may eliminate the supraspinal component of both pathological and physiological tremors.
Identifieur interne : 003889 ( Main/Merge ); précédent : 003888; suivant : 003890Evidence that ventrolateral thalamotomy may eliminate the supraspinal component of both pathological and physiological tremors.
Auteurs : C. Duval [Canada] ; M. Panisset ; G. Bertrand ; A F SadikotSource :
- Experimental brain research [ 0014-4819 ] ; 2000.
English descriptors
- KwdEn :
- MESH :
- complications : Parkinson Disease.
- etiology : Tremor.
- physiology : Fingers.
- physiopathology : Thalamus, Tremor.
- surgery : Parkinson Disease, Thalamus, Tremor.
- Adult, Aged, Electromyography, Female, Humans, Male, Middle Aged, Periodicity, Treatment Outcome.
Abstract
Ventrolateral (VL) thalamotomy produced a marked reduction of oscillations related to the supraspinal components of Parkinson's disease tremor (4-7 Hz) and physiological tremor (8-12 Hz). Finger tremor was examined in nine patients undergoing unilateral VL thalamotomy and in nine age-matched controls. In comparison to the preoperative state, the relative percentage of power within the 7.6-12.5 Hz band did not increase after the surgical procedure. Furthermore, the amount of absolute power within the 7.6-12.5 Hz band was much lower for post-surgical patients in comparison to matched controls when periods of tremor having equal amplitudes were compared. These results suggest that VL thalamotomy interrupts a common circuit involved in the supraspinal component of both physiological and pathological tremors. We provide evidence that the thalamus may be involved in circuits generating physiological tremor in humans.
PubMed: 10853946
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Panisset</name></author><author><name sortKey="Bertrand, G" sort="Bertrand, G" uniqKey="Bertrand G" first="G" last="Bertrand">G. Bertrand</name></author><author><name sortKey="Sadikot, A F" sort="Sadikot, A F" uniqKey="Sadikot A" first="A F" last="Sadikot">A F Sadikot</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2000">2000</date><idno type="RBID">pubmed:10853946</idno><idno type="pmid">10853946</idno><idno type="wicri:Area/PubMed/Corpus">001641</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001641</idno><idno type="wicri:Area/PubMed/Curation">001641</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">001641</idno><idno type="wicri:Area/PubMed/Checkpoint">001641</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">001641</idno><idno type="wicri:Area/Ncbi/Merge">000101</idno><idno type="wicri:Area/Ncbi/Curation">000101</idno><idno type="wicri:Area/Ncbi/Checkpoint">000101</idno><idno type="wicri:doubleKey">0014-4819:2000:Duval C:evidence:that:ventrolateral</idno><idno type="wicri:Area/Main/Merge">003889</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Evidence that ventrolateral thalamotomy may eliminate the supraspinal component of both pathological and physiological tremors.</title><author><name sortKey="Duval, C" sort="Duval, C" uniqKey="Duval C" first="C" last="Duval">C. Duval</name><affiliation wicri:level="4"><nlm:affiliation>Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Quebec, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Quebec</wicri:regionArea><orgName type="university">Université McGill</orgName><placeName><settlement type="city">Montréal</settlement><region type="state">Québec</region></placeName></affiliation></author><author><name sortKey="Panisset, M" sort="Panisset, M" uniqKey="Panisset M" first="M" last="Panisset">M. Panisset</name></author><author><name sortKey="Bertrand, G" sort="Bertrand, G" uniqKey="Bertrand G" first="G" last="Bertrand">G. Bertrand</name></author><author><name sortKey="Sadikot, A F" sort="Sadikot, A F" uniqKey="Sadikot A" first="A F" last="Sadikot">A F Sadikot</name></author></analytic><series><title level="j">Experimental brain research</title><idno type="ISSN">0014-4819</idno><imprint><date when="2000" type="published">2000</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Aged</term><term>Electromyography</term><term>Female</term><term>Fingers (physiology)</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Parkinson Disease (complications)</term><term>Parkinson Disease (surgery)</term><term>Periodicity</term><term>Thalamus (physiopathology)</term><term>Thalamus (surgery)</term><term>Treatment Outcome</term><term>Tremor (etiology)</term><term>Tremor (physiopathology)</term><term>Tremor (surgery)</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Tremor</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fingers</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Thalamus</term><term>Tremor</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Parkinson Disease</term><term>Thalamus</term><term>Tremor</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Aged</term><term>Electromyography</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Periodicity</term><term>Treatment Outcome</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Ventrolateral (VL) thalamotomy produced a marked reduction of oscillations related to the supraspinal components of Parkinson's disease tremor (4-7 Hz) and physiological tremor (8-12 Hz). Finger tremor was examined in nine patients undergoing unilateral VL thalamotomy and in nine age-matched controls. In comparison to the preoperative state, the relative percentage of power within the 7.6-12.5 Hz band did not increase after the surgical procedure. Furthermore, the amount of absolute power within the 7.6-12.5 Hz band was much lower for post-surgical patients in comparison to matched controls when periods of tremor having equal amplitudes were compared. These results suggest that VL thalamotomy interrupts a common circuit involved in the supraspinal component of both physiological and pathological tremors. We provide evidence that the thalamus may be involved in circuits generating physiological tremor in humans.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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