ParkinsonCanadaV1, Main, Curation, bibRecord, 003584

Evidence that ventrolateral thalamotomy may eliminate the supraspinal component of both pathological and physiological tremors

Identifieur interne : 003584 ( Main/Curation ); précédent : 003583; suivant : 003585

Evidence that ventrolateral thalamotomy may eliminate the supraspinal component of both pathological and physiological tremors

Auteurs : C. Duval [Canada] ; M. Panisset [Canada] ; G. Bertrand [Canada] ; A. F. Sadikot [Canada]

Source :

Experimental brain research [ 0014-4819 ] ; 2000.

RBID : Pascal:00-0340857

Descripteurs français

Pascal (Inist)
- Tremblement physiologique, Oscillation, Thalamotomie, Thalamus, Noyau ventrolatéral, Analyse spectrale, Parkinson maladie, Chirurgie, Tremblement, Homme.
Wicri :
- topic : Chirurgie, Homme.

English descriptors

KwdEn :
- Adult, Aged, Electromyography, Female, Fingers (physiology), Human, Humans, Male, Middle Aged, Oscillation, Parkinson Disease (complications), Parkinson Disease (surgery), Parkinson disease, Periodicity, Physiological tremor, Spectral analysis, Surgery, Thalamotomy, Thalamus, Thalamus (physiopathology), Thalamus (surgery), Treatment Outcome, Tremor, Tremor (etiology), Tremor (physiopathology), Tremor (surgery), Ventrolateral nucleus.
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.

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Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term>
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<term>Electromyography</term>
<term>Female</term>
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<term>Human</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
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<term>Parkinson Disease (complications)</term>
<term>Parkinson Disease (surgery)</term>
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<term>Periodicity</term>
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<term>Spectral analysis</term>
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<term>Thalamus (physiopathology)</term>
<term>Thalamus (surgery)</term>
<term>Treatment Outcome</term>
<term>Tremor</term>
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<term>Tremor (physiopathology)</term>
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<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Thalamus</term>
<term>Tremor</term>
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<keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Parkinson Disease</term>
<term>Thalamus</term>
<term>Tremor</term>
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<term>Oscillation</term>
<term>Thalamotomie</term>
<term>Thalamus</term>
<term>Noyau ventrolatéral</term>
<term>Analyse spectrale</term>
<term>Parkinson maladie</term>
<term>Chirurgie</term>
<term>Tremblement</term>
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<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>
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<term>Oscillation</term>
<term>Parkinson disease</term>
<term>Physiological tremor</term>
<term>Spectral analysis</term>
<term>Surgery</term>
<term>Thalamotomy</term>
<term>Thalamus</term>
<term>Tremor</term>
<term>Ventrolateral nucleus</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Tremblement physiologique</term>
<term>Oscillation</term>
<term>Thalamotomie</term>
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<term>Noyau ventrolatéral</term>
<term>Analyse spectrale</term>
<term>Parkinson maladie</term>
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<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>
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<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>
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<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>
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	La maladie de Parkinson au Canada (serveur d'exploration)
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La maladie de Parkinson au Canada (serveur d'exploration)

Evidence that ventrolateral thalamotomy may eliminate the supraspinal component of both pathological and physiological tremors

Evidence that ventrolateral thalamotomy may eliminate the supraspinal component of both pathological and physiological tremors

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