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Surgical targeting accuracy analysis of six methods for subthalamic nucleus deep brain stimulation.

Identifieur interne : 001010 ( PubMed/Checkpoint ); précédent : 001009; suivant : 001011

Surgical targeting accuracy analysis of six methods for subthalamic nucleus deep brain stimulation.

Auteurs : Ting Guo [Canada] ; Andrew G. Parrent ; Terry M. Peters

Source :

Computer aided surgery : official journal of the International Society for Computer Aided Surgery [ 1092-9088 ] ; 2007.

RBID : pubmed:18066948

English descriptors

KwdEn :
- Aged, Deep Brain Stimulation (methods), Electrodes, Implanted, Female, Humans, Male, Middle Aged, Neurosurgical Procedures (methods), Parkinson Disease (therapy), Retrospective Studies, Subthalamic Nucleus, Surgery, Computer-Assisted (methods).
MESH :
- methods : Deep Brain Stimulation, Neurosurgical Procedures, Surgery, Computer-Assisted.
- therapy : Parkinson Disease.
- Aged, Electrodes, Implanted, Female, Humans, Male, Middle Aged, Retrospective Studies, Subthalamic Nucleus.

Abstract

A commonly adopted surgical target in deep brain stimulation (DBS) procedures, the subthalamic nucleus (STN) is located deep within the brain and is surrounded by delicate deep-brain structures. Symptoms of Parkinson's disease can be reduced by precisely implanting a multi-electrode stimulator at a specific location within the STN and delivering the appropriate signal to the target. A number of techniques have recently been proposed to facilitate STN DBS surgical targeting and thereby improve the surgical outcome. This paper presents a retrospective study evaluating the target localization accuracy and precision of six approaches in 55 STN DBS procedures. The targeting procedures were performed using a neurosurgical visualization and navigation system, which integrates normalized and standardized anatomical and functional information into the planning environment. In this study, we employed as the "gold standard" the actual surgical target locations determined by an experienced neurosurgeon using both pre-operative image-guided surgical target/trajectory planning and intra-operative electrophysiological exploration and confirmation. The surgical target locations determined using each of the six targeting methods were compared with the "gold standards". The average displacement between the actual surgical targets and those planned with targeting approaches was 3.0 +/- 1.3 mm, 3.0 +/- 1.3 mm, 3.0 +/- 1.0 mm, 2.6 +/- 1.1 mm, 2.5 +/- 0.9 mm, and 1.7 +/- 0.7 mm for approaches based on T2-weighted MRI, a brain atlas, T1 and T2 maps, an electrophysiological database, a collection of final surgical targets from previous patients, and the combination of these functional and anatomical data, respectively. The technique incorporating both anatomical and functional data provides the most reliable and accurate target position for STN DBS.

DOI: 10.3109/10929080701730987
PubMed: 18066948

Affiliations:

Canada

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pubmed:18066948

Le document en format XML

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<front><div type="abstract" xml:lang="en">A commonly adopted surgical target in deep brain stimulation (DBS) procedures, the subthalamic nucleus (STN) is located deep within the brain and is surrounded by delicate deep-brain structures. Symptoms of Parkinson's disease can be reduced by precisely implanting a multi-electrode stimulator at a specific location within the STN and delivering the appropriate signal to the target. A number of techniques have recently been proposed to facilitate STN DBS surgical targeting and thereby improve the surgical outcome. This paper presents a retrospective study evaluating the target localization accuracy and precision of six approaches in 55 STN DBS procedures. The targeting procedures were performed using a neurosurgical visualization and navigation system, which integrates normalized and standardized anatomical and functional information into the planning environment. In this study, we employed as the "gold standard" the actual surgical target locations determined by an experienced neurosurgeon using both pre-operative image-guided surgical target/trajectory planning and intra-operative electrophysiological exploration and confirmation. The surgical target locations determined using each of the six targeting methods were compared with the "gold standards". The average displacement between the actual surgical targets and those planned with targeting approaches was 3.0 +/- 1.3 mm, 3.0 +/- 1.3 mm, 3.0 +/- 1.0 mm, 2.6 +/- 1.1 mm, 2.5 +/- 0.9 mm, and 1.7 +/- 0.7 mm for approaches based on T2-weighted MRI, a brain atlas, T1 and T2 maps, an electrophysiological database, a collection of final surgical targets from previous patients, and the combination of these functional and anatomical data, respectively. The technique incorporating both anatomical and functional data provides the most reliable and accurate target position for STN DBS.</div>
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<Abstract><AbstractText>A commonly adopted surgical target in deep brain stimulation (DBS) procedures, the subthalamic nucleus (STN) is located deep within the brain and is surrounded by delicate deep-brain structures. Symptoms of Parkinson's disease can be reduced by precisely implanting a multi-electrode stimulator at a specific location within the STN and delivering the appropriate signal to the target. A number of techniques have recently been proposed to facilitate STN DBS surgical targeting and thereby improve the surgical outcome. This paper presents a retrospective study evaluating the target localization accuracy and precision of six approaches in 55 STN DBS procedures. The targeting procedures were performed using a neurosurgical visualization and navigation system, which integrates normalized and standardized anatomical and functional information into the planning environment. In this study, we employed as the "gold standard" the actual surgical target locations determined by an experienced neurosurgeon using both pre-operative image-guided surgical target/trajectory planning and intra-operative electrophysiological exploration and confirmation. The surgical target locations determined using each of the six targeting methods were compared with the "gold standards". The average displacement between the actual surgical targets and those planned with targeting approaches was 3.0 +/- 1.3 mm, 3.0 +/- 1.3 mm, 3.0 +/- 1.0 mm, 2.6 +/- 1.1 mm, 2.5 +/- 0.9 mm, and 1.7 +/- 0.7 mm for approaches based on T2-weighted MRI, a brain atlas, T1 and T2 maps, an electrophysiological database, a collection of final surgical targets from previous patients, and the combination of these functional and anatomical data, respectively. The technique incorporating both anatomical and functional data provides the most reliable and accurate target position for STN DBS.</AbstractText>
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Surgical targeting accuracy analysis of six methods for subthalamic nucleus deep brain stimulation.

Surgical targeting accuracy analysis of six methods for subthalamic nucleus deep brain stimulation.

Source :

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

Pour générer des pages wiki