Diffusion-weighted imaging and magnetization transfer imaging of tardive and edentulous orodyskinesia.
Identifieur interne : 001B73 ( PubMed/Checkpoint ); précédent : 001B72; suivant : 001B74Diffusion-weighted imaging and magnetization transfer imaging of tardive and edentulous orodyskinesia.
Auteurs : Abdesslem Khiat [Canada] ; Yevgeniy Kuznetsov ; Pierre J. Blanchet ; Yvan BoulangerSource :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2008.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- diagnosis : Akathisia, Drug-Induced, Movement Disorders.
- methods : Diffusion Magnetic Resonance Imaging, Image Processing, Computer-Assisted.
- physiopathology : Mouth, Edentulous.
- Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged.
Abstract
Oral dyskinesias occur in elderly individuals in relation to drug use (tardive dyskinesia, TD) or edentulousness (edentulous orodyskinesia, EOD) but their characterization remains incomplete. Our aim was to investigate whether magnetic resonance techniques such as diffusion-weighted imaging (DWI) and magnetization transfer imaging (MTI) of the brain could be used to differentiate dyskinetic patients from control subjects. Eight drug-treated patients with TD, 12 EOD patients, 8 drug-treated patients without TD, and 10 control subjects were recruited and examined by DWI and MTI. Measurements in the caudate nucleus, putamen, and globus pallidus yielded globally different apparent diffusion coefficient (ADC) values between drug treated patients with TD and control subjects but the magnetization transfer ratios showed no significant variations. The discrimination between dyskinetic patients and control subjects offered by ADC values was however slightly poorer than the discrimination offered by the previously published choline/creatine ratios measured by MR spectroscopy in the basal ganglia. The results are consistent with the pathophysiological hypothesis of damage to cholinergic interneurons.
DOI: 10.1002/mds.22081
PubMed: 18512744
Affiliations:
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Our aim was to investigate whether magnetic resonance techniques such as diffusion-weighted imaging (DWI) and magnetization transfer imaging (MTI) of the brain could be used to differentiate dyskinetic patients from control subjects. Eight drug-treated patients with TD, 12 EOD patients, 8 drug-treated patients without TD, and 10 control subjects were recruited and examined by DWI and MTI. Measurements in the caudate nucleus, putamen, and globus pallidus yielded globally different apparent diffusion coefficient (ADC) values between drug treated patients with TD and control subjects but the magnetization transfer ratios showed no significant variations. The discrimination between dyskinetic patients and control subjects offered by ADC values was however slightly poorer than the discrimination offered by the previously published choline/creatine ratios measured by MR spectroscopy in the basal ganglia. The results are consistent with the pathophysiological hypothesis of damage to cholinergic interneurons.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18512744</PMID><DateCompleted><Year>2009</Year><Month>01</Month><Day>12</Day></DateCompleted><DateRevised><Year>2008</Year><Month>08</Month><Day>05</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1531-8257</ISSN><JournalIssue CitedMedium="Internet"><Volume>23</Volume><Issue>9</Issue><PubDate><Year>2008</Year><Month>Jul</Month><Day>15</Day></PubDate></JournalIssue><Title>Movement disorders : official journal of the Movement Disorder Society</Title><ISOAbbreviation>Mov. Disord.</ISOAbbreviation></Journal><ArticleTitle>Diffusion-weighted imaging and magnetization transfer imaging of tardive and edentulous orodyskinesia.</ArticleTitle><Pagination><MedlinePgn>1281-5</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/mds.22081</ELocationID><Abstract><AbstractText>Oral dyskinesias occur in elderly individuals in relation to drug use (tardive dyskinesia, TD) or edentulousness (edentulous orodyskinesia, EOD) but their characterization remains incomplete. Our aim was to investigate whether magnetic resonance techniques such as diffusion-weighted imaging (DWI) and magnetization transfer imaging (MTI) of the brain could be used to differentiate dyskinetic patients from control subjects. Eight drug-treated patients with TD, 12 EOD patients, 8 drug-treated patients without TD, and 10 control subjects were recruited and examined by DWI and MTI. Measurements in the caudate nucleus, putamen, and globus pallidus yielded globally different apparent diffusion coefficient (ADC) values between drug treated patients with TD and control subjects but the magnetization transfer ratios showed no significant variations. The discrimination between dyskinetic patients and control subjects offered by ADC values was however slightly poorer than the discrimination offered by the previously published choline/creatine ratios measured by MR spectroscopy in the basal ganglia. The results are consistent with the pathophysiological hypothesis of damage to cholinergic interneurons.</AbstractText><CopyrightInformation>(c) 2008 Movement Disorder Society.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Khiat</LastName><ForeName>Abdesslem</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Département de radiologie, Centre hospitalier de l'Université de Montréal (CHUM), Montréal, Québec, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kuznetsov</LastName><ForeName>Yevgeniy</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Blanchet</LastName><ForeName>Pierre J</ForeName><Initials>PJ</Initials></Author><Author ValidYN="Y"><LastName>Boulanger</LastName><ForeName>Yvan</ForeName><Initials>Y</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Mov Disord</MedlineTA><NlmUniqueID>8610688</NlmUniqueID><ISSNLinking>0885-3185</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000369" MajorTopicYN="N">Aged, 80 and over</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017109" MajorTopicYN="N">Akathisia, Drug-Induced</DescriptorName><QualifierName UI="Q000175" MajorTopicYN="Y">diagnosis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038524" MajorTopicYN="N">Diffusion Magnetic Resonance Imaging</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007091" MajorTopicYN="N">Image Processing, Computer-Assisted</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009066" MajorTopicYN="N">Mouth, Edentulous</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009069" MajorTopicYN="N">Movement Disorders</DescriptorName><QualifierName UI="Q000175" MajorTopicYN="Y">diagnosis</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>6</Month><Day>3</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2009</Year><Month>1</Month><Day>13</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>6</Month><Day>3</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">18512744</ArticleId><ArticleId IdType="doi">10.1002/mds.22081</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li></country></list><tree><noCountry><name sortKey="Blanchet, Pierre J" sort="Blanchet, Pierre J" uniqKey="Blanchet P" first="Pierre J" last="Blanchet">Pierre J. Blanchet</name><name sortKey="Boulanger, Yvan" sort="Boulanger, Yvan" uniqKey="Boulanger Y" first="Yvan" last="Boulanger">Yvan Boulanger</name><name sortKey="Kuznetsov, Yevgeniy" sort="Kuznetsov, Yevgeniy" uniqKey="Kuznetsov Y" first="Yevgeniy" last="Kuznetsov">Yevgeniy Kuznetsov</name></noCountry><country name="Canada"><noRegion><name sortKey="Khiat, Abdesslem" sort="Khiat, Abdesslem" uniqKey="Khiat A" first="Abdesslem" last="Khiat">Abdesslem Khiat</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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