The impact of ventrolateral thalamotomy on high-frequency components of tremor.
Identifieur interne : 001258 ( PubMed/Corpus ); précédent : 001257; suivant : 001259The impact of ventrolateral thalamotomy on high-frequency components of tremor.
Auteurs : Christian Duval ; Antonio P. Strafella ; Abbas F. SadikotSource :
- Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology [ 1388-2457 ] ; 2005.
English descriptors
- KwdEn :
- Adult, Aged, Analysis of Variance, Brain Mapping, Case-Control Studies, Dose-Response Relationship, Radiation, Electric Stimulation (methods), Electromyography (methods), Female, Humans, Male, Middle Aged, Parkinson Disease (complications), Parkinson Disease (surgery), Psychosurgery (methods), Regression Analysis, Thalamus (physiopathology), Thalamus (surgery), Treatment Outcome, Tremor (pathology), Tremor (physiopathology), Tremor (surgery).
- MESH :
- complications : Parkinson Disease.
- methods : Electric Stimulation, Electromyography, Psychosurgery.
- pathology : Tremor.
- physiopathology : Thalamus, Tremor.
- surgery : Parkinson Disease, Thalamus, Tremor.
- Adult, Aged, Analysis of Variance, Brain Mapping, Case-Control Studies, Dose-Response Relationship, Radiation, Female, Humans, Male, Middle Aged, Regression Analysis, Treatment Outcome.
Abstract
The present study assessed the impact of ventrolateral (VL) thalamotomy on the high-frequency components of tremor in patients with Parkinson's disease (PD).
DOI: 10.1016/j.clinph.2005.01.012
PubMed: 15978501
Links to Exploration step
pubmed:15978501Le document en format XML
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Sadikot</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="RBID">pubmed:15978501</idno><idno type="pmid">15978501</idno><idno type="doi">10.1016/j.clinph.2005.01.012</idno><idno type="wicri:Area/PubMed/Corpus">001258</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001258</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">The impact of ventrolateral thalamotomy on high-frequency components of tremor.</title><author><name sortKey="Duval, Christian" sort="Duval, Christian" uniqKey="Duval C" first="Christian" last="Duval">Christian Duval</name><affiliation><nlm:affiliation>Faculty of Applied Health Science, Brock University, 500 Glenridge Avenue, St Catharines, Ont., Canada H2S 3A1. cduval@brocku.ca</nlm:affiliation></affiliation></author><author><name sortKey="Strafella, Antonio P" sort="Strafella, Antonio P" uniqKey="Strafella A" first="Antonio P" last="Strafella">Antonio P. Strafella</name></author><author><name sortKey="Sadikot, Abbas F" sort="Sadikot, Abbas F" uniqKey="Sadikot A" first="Abbas F" last="Sadikot">Abbas F. Sadikot</name></author></analytic><series><title level="j">Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology</title><idno type="ISSN">1388-2457</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Aged</term><term>Analysis of Variance</term><term>Brain Mapping</term><term>Case-Control Studies</term><term>Dose-Response Relationship, Radiation</term><term>Electric Stimulation (methods)</term><term>Electromyography (methods)</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Parkinson Disease (complications)</term><term>Parkinson Disease (surgery)</term><term>Psychosurgery (methods)</term><term>Regression Analysis</term><term>Thalamus (physiopathology)</term><term>Thalamus (surgery)</term><term>Treatment Outcome</term><term>Tremor (pathology)</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="methods" xml:lang="en"><term>Electric Stimulation</term><term>Electromyography</term><term>Psychosurgery</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Tremor</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>Analysis of Variance</term><term>Brain Mapping</term><term>Case-Control Studies</term><term>Dose-Response Relationship, Radiation</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Regression Analysis</term><term>Treatment Outcome</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The present study assessed the impact of ventrolateral (VL) thalamotomy on the high-frequency components of tremor in patients with Parkinson's disease (PD).</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15978501</PMID><DateCreated><Year>2005</Year><Month>06</Month><Day>27</Day></DateCreated><DateCompleted><Year>2005</Year><Month>08</Month><Day>09</Day></DateCompleted><DateRevised><Year>2008</Year><Month>09</Month><Day>10</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">1388-2457</ISSN><JournalIssue CitedMedium="Print"><Volume>116</Volume><Issue>6</Issue><PubDate><Year>2005</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology</Title><ISOAbbreviation>Clin Neurophysiol</ISOAbbreviation></Journal><ArticleTitle>The impact of ventrolateral thalamotomy on high-frequency components of tremor.</ArticleTitle><Pagination><MedlinePgn>1391-9</MedlinePgn></Pagination><Abstract><AbstractText Label="OBJECTIVE" NlmCategory="OBJECTIVE">The present study assessed the impact of ventrolateral (VL) thalamotomy on the high-frequency components of tremor in patients with Parkinson's disease (PD).</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">Tremor was recorded prior to, and 7 days post-surgery using a laser displacement sensor. In addition, tremor was recorded in 10 age-matched patients with PD showing low amplitude tremor (named PD controls) and in 10 age-matched control subjects. Tremor recordings in patients were performed after a 12h withdrawal from anti-Parkinsonian drugs. Tremor characteristics such as amplitude, median power frequency (MPF) and power dispersion (a measure of concentration of power in the frequency domain) were assessed for all groups (i.e. controls, PD controls, pre-surgery and post-surgery).</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">All tremor characteristics were similar between controls and PD controls. Tremor amplitude was significantly reduced post-surgery, to become statistically similar to that of controls and PD controls. However, MPF and power dispersion remained lower post-surgery, indicating that although there was normalization of tremor amplitude, tremor showed systematically slower oscillations after the surgical procedure. In order to eliminate amplitude as a possible confounding factor, epochs of post-surgical tremor (5s in duration) were paired for equal amplitude with 5s tremor epochs from matched controls. Results show once again that MPF and power dispersion were lower post-surgery compared to controls. In addition, when amplitude of power was compared within specific frequency bands (0-3.5, 3.5-7.5, 7.5-12.5, 12.5-16.5, 16.5-30 and 30-45), power regained normal values at frequencies below 7.5 Hz. Power within higher frequency bands was systematically lower, indicating that the surgical procedure had an impact on high-frequency components of tremor.</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">Results from the present study showed that VL thalamotomy reduced tremor amplitude by selectively targeting centrally driven components of PD tremor. The high-frequency component of physiological tremor failed to emerge after amplitude normalization.</AbstractText><AbstractText Label="SIGNIFICANCE" NlmCategory="CONCLUSIONS">The thalamus should then be considered as an important component of the generation and/or propagation of high-frequency components of physiological tremor.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Duval</LastName><ForeName>Christian</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Faculty of Applied Health Science, Brock University, 500 Glenridge Avenue, St Catharines, Ont., Canada H2S 3A1. cduval@brocku.ca</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Strafella</LastName><ForeName>Antonio P</ForeName><Initials>AP</Initials></Author><Author ValidYN="Y"><LastName>Sadikot</LastName><ForeName>Abbas F</ForeName><Initials>AF</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016430">Clinical Trial</PublicationType><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2005</Year><Month>03</Month><Day>28</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Clin Neurophysiol</MedlineTA><NlmUniqueID>100883319</NlmUniqueID><ISSNLinking>1388-2457</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000704" MajorTopicYN="N">Analysis of Variance</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001931" MajorTopicYN="N">Brain Mapping</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016022" MajorTopicYN="N">Case-Control Studies</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004307" MajorTopicYN="N">Dose-Response Relationship, Radiation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004558" MajorTopicYN="N">Electric Stimulation</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004576" MajorTopicYN="N">Electromyography</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010300" MajorTopicYN="N">Parkinson Disease</DescriptorName><QualifierName UI="Q000150" MajorTopicYN="N">complications</QualifierName><QualifierName UI="Q000601" MajorTopicYN="N">surgery</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011612" MajorTopicYN="N">Psychosurgery</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012044" MajorTopicYN="N">Regression Analysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013788" MajorTopicYN="N">Thalamus</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="N">physiopathology</QualifierName><QualifierName UI="Q000601" MajorTopicYN="Y">surgery</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D016896" MajorTopicYN="N">Treatment Outcome</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014202" MajorTopicYN="N">Tremor</DescriptorName><QualifierName UI="Q000473" MajorTopicYN="N">pathology</QualifierName><QualifierName UI="Q000503" MajorTopicYN="N">physiopathology</QualifierName><QualifierName UI="Q000601" MajorTopicYN="Y">surgery</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2004</Year><Month>09</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2005</Year><Month>01</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2005</Year><Month>01</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2005</Year><Month>6</Month><Day>28</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2005</Year><Month>8</Month><Day>10</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2005</Year><Month>6</Month><Day>28</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15978501</ArticleId><ArticleId IdType="pii">S1388-2457(05)00039-8</ArticleId><ArticleId IdType="doi">10.1016/j.clinph.2005.01.012</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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