ParkinsonCanadaV1, France, Analysis, bibRecord, 000238

Statistical determination of the optimal subthalamic nucleus stimulation site in patients with Parkinson disease

Identifieur interne : 000238 ( France/Analysis ); précédent : 000237; suivant : 000239

Statistical determination of the optimal subthalamic nucleus stimulation site in patients with Parkinson disease

Auteurs : Dominique Guehl [France] ; Roderick Edwards [Canada] ; Emmanuel Cuny [France] ; Pierre Burbaud [France] ; Alain Rougier [France] ; Julien Modolo [France] ; Anne Beuter [France]

Source :

Journal of neurosurgery [ 0022-3085 ] ; 2007.

RBID : Pascal:07-0153227

Descripteurs français

Pascal (Inist)
- Parkinson maladie, Noyau sousthalamique, Homme.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Human, Parkinson disease, Subthalamic nucleus.

Abstract

Object. The subthalamic nucleus (STN) is currently recognized as the preferred target for deep brain stimulation (DBS) in patients with Parkinson disease (PD). If there is agreement in the literature that DBS improves motor symptoms significantly, the situation is less clear with respect to the side effects of this procedure. The goal of this study was to correlate the coordinate values of active electrode contacts with the amplitude of residual clinical symptoms and side effects using a mathematical approach. Methods. In this study the investigators examined a cohort of 41 patients with PD who received clinical benefits from DBS after stimulating electrodes had been implanted bilaterally into the STN. The combined scores of residual clinical symptoms plus side effects, including speech disturbance, postural instability, and weight gain, were fitted by using either inverted ellipsoidal exponentials or smooth splines. These analyses showed evidence of lower combined scores for stimulating contacts at an x coordinate approximately 12.0 to 12.3 mm lateral to the anterior commissure-posterior commissure (AC-PC) line and at a z coordinate approximately 3.1 to 3.3 mm under the AC-PC line. There was insufficient evidence for a preferred y coordinate location. Conclusions. The authors propose a "best" therapeutic ellipse area that is centered at an x, z location of 12.5 mm, -3.3 mm and characterized by an extension of 1.85 mm in the x direction and 2.22 mm in the z direction. Therapeutic electrode contacts located within this area are well correlated with the lowest occurrence of residual symptoms and the lowest occurrence of side effects independent of STN anatomical considerations. The lack of a significant result in the y direction remains to be explored further.

Affiliations:

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Pascal:07-0153227

Le document en format XML

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<affiliation wicri:level="3"><inist:fA14 i1="04"><s1>Institut de Cognitique, Université Victor Segalen Bordeaux</s1>
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<series><title level="j" type="main">Journal of neurosurgery</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Human</term>
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<term>Noyau sousthalamique</term>
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<front><div type="abstract" xml:lang="en">Object. The subthalamic nucleus (STN) is currently recognized as the preferred target for deep brain stimulation (DBS) in patients with Parkinson disease (PD). If there is agreement in the literature that DBS improves motor symptoms significantly, the situation is less clear with respect to the side effects of this procedure. The goal of this study was to correlate the coordinate values of active electrode contacts with the amplitude of residual clinical symptoms and side effects using a mathematical approach. Methods. In this study the investigators examined a cohort of 41 patients with PD who received clinical benefits from DBS after stimulating electrodes had been implanted bilaterally into the STN. The combined scores of residual clinical symptoms plus side effects, including speech disturbance, postural instability, and weight gain, were fitted by using either inverted ellipsoidal exponentials or smooth splines. These analyses showed evidence of lower combined scores for stimulating contacts at an x coordinate approximately 12.0 to 12.3 mm lateral to the anterior commissure-posterior commissure (AC-PC) line and at a z coordinate approximately 3.1 to 3.3 mm under the AC-PC line. There was insufficient evidence for a preferred y coordinate location. Conclusions. The authors propose a "best" therapeutic ellipse area that is centered at an x, z location of 12.5 mm, -3.3 mm and characterized by an extension of 1.85 mm in the x direction and 2.22 mm in the z direction. Therapeutic electrode contacts located within this area are well correlated with the lowest occurrence of residual symptoms and the lowest occurrence of side effects independent of STN anatomical considerations. The lack of a significant result in the y direction remains to be explored further.</div>
</front>
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<affiliations><list><country><li>Canada</li>
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<name sortKey="Rougier, Alain" sort="Rougier, Alain" uniqKey="Rougier A" first="Alain" last="Rougier">Alain Rougier</name>
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<country name="Canada"><noRegion><name sortKey="Edwards, Roderick" sort="Edwards, Roderick" uniqKey="Edwards R" first="Roderick" last="Edwards">Roderick Edwards</name>
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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)

Statistical determination of the optimal subthalamic nucleus stimulation site in patients with Parkinson disease

Statistical determination of the optimal subthalamic nucleus stimulation site in patients with Parkinson disease

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