Cortical Myoclonus in Huntington's disease associated with an enlarged somatosensory evoked potential.
Identifieur interne : 004682 ( PubMed/Checkpoint ); précédent : 004681; suivant : 004683Cortical Myoclonus in Huntington's disease associated with an enlarged somatosensory evoked potential.
Auteurs : J N Caviness [États-Unis] ; M. KurthSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 1997.
English descriptors
- KwdEn :
- Adult, Brain Tissue Transplantation, Cerebral Cortex (pathology), Corpus Striatum (embryology), Corpus Striatum (transplantation), Electroencephalography, Electromyography, Evoked Potentials, Somatosensory, Humans, Huntington Disease (complications), Huntington Disease (surgery), Male, Myoclonus (complications), Myoclonus (pathology).
- MESH :
- complications : Huntington Disease, Myoclonus.
- embryology : Corpus Striatum.
- pathology : Cerebral Cortex, Myoclonus.
- surgery : Huntington Disease.
- transplantation : Corpus Striatum.
- Adult, Brain Tissue Transplantation, Electroencephalography, Electromyography, Evoked Potentials, Somatosensory, Humans, Male.
Abstract
We report the electrophysiologic findings of myoclonus in a patient with Huntington's disease (HD). This patient was studied postoperatively after a bilateral fetal cell transplant in his striatum. Incomplete transient improvement was seen in the myoclonus, followed by gradual deterioration. The myoclonus itself had a cortical correlate and was associated with an enlarged somatosensory evoked potential (SEP), consistent with the presence of cortical reflex myoclonus. An enlarged SEP has not been previously reported in myoclonus associated with HD. The postulated mechanisms for myoclonus, when it occurs in HD, have differed in the literature. The reason for the transient improvement of the myoclonus following transplantation is unclear, but this case raises the possibility that basal ganglia circuits may modulate cortical myoclonic activity.
DOI: 10.1002/mds.870120633
PubMed: 9399235
Affiliations:
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This patient was studied postoperatively after a bilateral fetal cell transplant in his striatum. Incomplete transient improvement was seen in the myoclonus, followed by gradual deterioration. The myoclonus itself had a cortical correlate and was associated with an enlarged somatosensory evoked potential (SEP), consistent with the presence of cortical reflex myoclonus. An enlarged SEP has not been previously reported in myoclonus associated with HD. The postulated mechanisms for myoclonus, when it occurs in HD, have differed in the literature. The reason for the transient improvement of the myoclonus following transplantation is unclear, but this case raises the possibility that basal ganglia circuits may modulate cortical myoclonic activity.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">9399235</PMID><DateCreated><Year>1998</Year><Month>02</Month><Day>10</Day></DateCreated><DateCompleted><Year>1998</Year><Month>02</Month><Day>10</Day></DateCompleted><DateRevised><Year>2005</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0885-3185</ISSN><JournalIssue CitedMedium="Print"><Volume>12</Volume><Issue>6</Issue><PubDate><Year>1997</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Movement disorders : official journal of the Movement Disorder Society</Title><ISOAbbreviation>Mov. Disord.</ISOAbbreviation></Journal><ArticleTitle>Cortical Myoclonus in Huntington's disease associated with an enlarged somatosensory evoked potential.</ArticleTitle><Pagination><MedlinePgn>1046-51</MedlinePgn></Pagination><Abstract><AbstractText>We report the electrophysiologic findings of myoclonus in a patient with Huntington's disease (HD). This patient was studied postoperatively after a bilateral fetal cell transplant in his striatum. Incomplete transient improvement was seen in the myoclonus, followed by gradual deterioration. The myoclonus itself had a cortical correlate and was associated with an enlarged somatosensory evoked potential (SEP), consistent with the presence of cortical reflex myoclonus. An enlarged SEP has not been previously reported in myoclonus associated with HD. The postulated mechanisms for myoclonus, when it occurs in HD, have differed in the literature. The reason for the transient improvement of the myoclonus following transplantation is unclear, but this case raises the possibility that basal ganglia circuits may modulate cortical myoclonic activity.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Caviness</LastName><ForeName>J N</ForeName><Initials>JN</Initials><AffiliationInfo><Affiliation>Department of Neurology, Mayo Clinic Scottsdale, AZ 85259, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kurth</LastName><ForeName>M</ForeName><Initials>M</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D002363">Case Reports</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D016454">Review</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 MajorTopicYN="N" UI="D000328">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D016380">Brain Tissue Transplantation</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002540">Cerebral Cortex</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000473">pathology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D003342">Corpus Striatum</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000196">embryology</QualifierName><QualifierName MajorTopicYN="N" UI="Q000637">transplantation</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004569">Electroencephalography</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004576">Electromyography</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D005073">Evoked Potentials, Somatosensory</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006816">Huntington Disease</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000150">complications</QualifierName><QualifierName MajorTopicYN="N" UI="Q000601">surgery</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D009207">Myoclonus</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000150">complications</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000473">pathology</QualifierName></MeshHeading></MeshHeadingList><NumberOfReferences>27</NumberOfReferences></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1997</Year><Month>12</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1997</Year><Month>12</Month><Day>17</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1997</Year><Month>12</Month><Day>17</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">9399235</ArticleId><ArticleId IdType="doi">10.1002/mds.870120633</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Arizona</li></region></list><tree><noCountry><name sortKey="Kurth, M" sort="Kurth, M" uniqKey="Kurth M" first="M" last="Kurth">M. Kurth</name></noCountry><country name="États-Unis"><region name="Arizona"><name sortKey="Caviness, J N" sort="Caviness, J N" uniqKey="Caviness J" first="J N" last="Caviness">J N Caviness</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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