3-Hz Postural Tremor in MSA-C and SCA: Revisiting an Old but Underestimated Cerebellar Sign by Posturography.
Identifieur interne : 000161 ( Main/Exploration ); précédent : 000160; suivant : 0001623-Hz Postural Tremor in MSA-C and SCA: Revisiting an Old but Underestimated Cerebellar Sign by Posturography.
Auteurs : Xiaodi Li [République populaire de Chine] ; Xiao Lv [République populaire de Chine] ; Churong Liu [République populaire de Chine] ; Jinlong Ye [République populaire de Chine] ; Yan Xu [République populaire de Chine] ; Gengmao Ma [République populaire de Chine] ; Zhong Li [République populaire de Chine] ; Yuzhou Wang [République populaire de Chine]Source :
- Cerebellum (London, England) [ 1473-4230 ] ; 2020.
Abstract
The aim of this study is to evaluate the prevalence and electrophysiological features of 3-Hz postural tremor in multiple system atrophy-cerebellar type and spinocerebellar ataxia. A static posturography examination was administered to 37 persons with spinocerebellar ataxia, 58 others with the cerebellar type of multiple system atrophy, and 53 healthy controls. During the sensory organization tests of 5 multiple system atrophy patients, surface electromyograms were recorded from bilateral tibialis anterior and medial gastrocnemius muscles. The patients with multiple system atrophy had, on average, significantly higher scores on the International Cooperative Ataxia Rating Scale and significantly greater prevalence of cross sign. Almost 80% of them fell during the posturography testing compared with two-thirds of the spinocerebellar ataxia patients. Twenty-seven percent of the spinocerebellar ataxia patients and 82.8% of those with multiple system atrophy displayed postural tremor with a frequency of approximately 3 Hz. The tremor's frequency tended to be lower in the spinocerebellar ataxia patients. The surface electromyography revealed highly coherent tremor activity at about 3 Hz in the patients' bilateral tibialis anterior and alternating firing in the bilateral antagonist muscles. Combining cross sign with a subject's static score of the International Cooperative Ataxia Rating Scale and occurrence of the tremor produced an indicator able to differentiate the two conditions with a sensitivity of 87.9% and a specificity of 89.2%. The area under the receiver operating characteristics curve for the indicator was 0.942. Three-hertz postural tremor is relatively characteristic of cerebellar type of multiple system atrophy and appears at an early stage of the disease. Identification of the tremor by posturography will facilitate its diagnosis.
DOI: 10.1007/s12311-020-01209-4
PubMed: 33164129
Affiliations:
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type="province">Guangdong</region></placeName></affiliation><affiliation wicri:level="3"><nlm:affiliation>Department of Neurology, Guangdong 999 Brain Hospital, Guangzhou, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Neurology, Guangdong 999 Brain Hospital, Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation></author><author><name sortKey="Lv, Xiao" sort="Lv, Xiao" uniqKey="Lv X" first="Xiao" last="Lv">Xiao Lv</name><affiliation wicri:level="3"><nlm:affiliation>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou</wicri:regionArea><placeName><settlement 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Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation><affiliation wicri:level="3"><nlm:affiliation>Department of Neurorehabilitation, Guangdong 999 Brain Hospital, Guangzhou, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Neurorehabilitation, Guangdong 999 Brain Hospital, Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation></author><author><name sortKey="Ye, Jinlong" sort="Ye, Jinlong" uniqKey="Ye J" first="Jinlong" last="Ye">Jinlong Ye</name><affiliation wicri:level="3"><nlm:affiliation>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation><affiliation wicri:level="3"><nlm:affiliation>Department of Neurology, Guangdong 999 Brain Hospital, Guangzhou, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Neurology, Guangdong 999 Brain Hospital, Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation></author><author><name sortKey="Xu, Yan" sort="Xu, Yan" uniqKey="Xu Y" first="Yan" last="Xu">Yan Xu</name><affiliation wicri:level="3"><nlm:affiliation>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation><affiliation wicri:level="3"><nlm:affiliation>Department of Neurology, Guangdong 999 Brain Hospital, Guangzhou, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Neurology, Guangdong 999 Brain Hospital, Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation></author><author><name sortKey="Ma, Gengmao" sort="Ma, Gengmao" uniqKey="Ma G" first="Gengmao" last="Ma">Gengmao Ma</name><affiliation wicri:level="3"><nlm:affiliation>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation><affiliation wicri:level="3"><nlm:affiliation>Department of Neurorehabilitation, Guangdong 999 Brain Hospital, Guangzhou, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Neurorehabilitation, Guangdong 999 Brain Hospital, Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation></author><author><name sortKey="Li, Zhong" sort="Li, Zhong" uniqKey="Li Z" first="Zhong" last="Li">Zhong Li</name><affiliation wicri:level="3"><nlm:affiliation>Department of Neurology, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China. lizhong6@mail.sysu.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Neurology, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation></author><author><name sortKey="Wang, Yuzhou" sort="Wang, Yuzhou" uniqKey="Wang Y" first="Yuzhou" last="Wang">Yuzhou Wang</name><affiliation wicri:level="3"><nlm:affiliation>Department of Neurology, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China. wangyzh93@mail.sysu.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Neurology, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation></author></analytic><series><title level="j">Cerebellum (London, England)</title><idno type="eISSN">1473-4230</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of this study is to evaluate the prevalence and electrophysiological features of 3-Hz postural tremor in multiple system atrophy-cerebellar type and spinocerebellar ataxia. A static posturography examination was administered to 37 persons with spinocerebellar ataxia, 58 others with the cerebellar type of multiple system atrophy, and 53 healthy controls. During the sensory organization tests of 5 multiple system atrophy patients, surface electromyograms were recorded from bilateral tibialis anterior and medial gastrocnemius muscles. The patients with multiple system atrophy had, on average, significantly higher scores on the International Cooperative Ataxia Rating Scale and significantly greater prevalence of cross sign. Almost 80% of them fell during the posturography testing compared with two-thirds of the spinocerebellar ataxia patients. Twenty-seven percent of the spinocerebellar ataxia patients and 82.8% of those with multiple system atrophy displayed postural tremor with a frequency of approximately 3 Hz. The tremor's frequency tended to be lower in the spinocerebellar ataxia patients. The surface electromyography revealed highly coherent tremor activity at about 3 Hz in the patients' bilateral tibialis anterior and alternating firing in the bilateral antagonist muscles. Combining cross sign with a subject's static score of the International Cooperative Ataxia Rating Scale and occurrence of the tremor produced an indicator able to differentiate the two conditions with a sensitivity of 87.9% and a specificity of 89.2%. The area under the receiver operating characteristics curve for the indicator was 0.942. Three-hertz postural tremor is relatively characteristic of cerebellar type of multiple system atrophy and appears at an early stage of the disease. Identification of the tremor by posturography will facilitate its diagnosis.</div></front></TEI><pubmed><MedlineCitation Status="Publisher" Owner="NLM"><PMID Version="1">33164129</PMID><DateRevised><Year>2020</Year><Month>11</Month><Day>09</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1473-4230</ISSN><JournalIssue CitedMedium="Internet"><PubDate><Year>2020</Year><Month>Nov</Month><Day>09</Day></PubDate></JournalIssue><Title>Cerebellum (London, England)</Title><ISOAbbreviation>Cerebellum</ISOAbbreviation></Journal><ArticleTitle>3-Hz Postural Tremor in MSA-C and SCA: Revisiting an Old but Underestimated Cerebellar Sign by Posturography.</ArticleTitle><ELocationID EIdType="doi" ValidYN="Y">10.1007/s12311-020-01209-4</ELocationID><Abstract><AbstractText>The aim of this study is to evaluate the prevalence and electrophysiological features of 3-Hz postural tremor in multiple system atrophy-cerebellar type and spinocerebellar ataxia. A static posturography examination was administered to 37 persons with spinocerebellar ataxia, 58 others with the cerebellar type of multiple system atrophy, and 53 healthy controls. During the sensory organization tests of 5 multiple system atrophy patients, surface electromyograms were recorded from bilateral tibialis anterior and medial gastrocnemius muscles. The patients with multiple system atrophy had, on average, significantly higher scores on the International Cooperative Ataxia Rating Scale and significantly greater prevalence of cross sign. Almost 80% of them fell during the posturography testing compared with two-thirds of the spinocerebellar ataxia patients. Twenty-seven percent of the spinocerebellar ataxia patients and 82.8% of those with multiple system atrophy displayed postural tremor with a frequency of approximately 3 Hz. The tremor's frequency tended to be lower in the spinocerebellar ataxia patients. The surface electromyography revealed highly coherent tremor activity at about 3 Hz in the patients' bilateral tibialis anterior and alternating firing in the bilateral antagonist muscles. Combining cross sign with a subject's static score of the International Cooperative Ataxia Rating Scale and occurrence of the tremor produced an indicator able to differentiate the two conditions with a sensitivity of 87.9% and a specificity of 89.2%. The area under the receiver operating characteristics curve for the indicator was 0.942. Three-hertz postural tremor is relatively characteristic of cerebellar type of multiple system atrophy and appears at an early stage of the disease. Identification of the tremor by posturography will facilitate its diagnosis.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Xiaodi</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Neurology, Guangdong 999 Brain Hospital, Guangzhou, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lv</LastName><ForeName>Xiao</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Neurology, Guangdong 999 Brain Hospital, Guangzhou, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Churong</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Neurorehabilitation, Guangdong 999 Brain Hospital, Guangzhou, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ye</LastName><ForeName>Jinlong</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Neurology, Guangdong 999 Brain Hospital, Guangzhou, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xu</LastName><ForeName>Yan</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Neurology, Guangdong 999 Brain Hospital, Guangzhou, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ma</LastName><ForeName>Gengmao</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Neurorehabilitation, Guangdong 999 Brain Hospital, Guangzhou, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Zhong</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>Department of Neurology, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China. lizhong6@mail.sysu.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Yuzhou</ForeName><Initials>Y</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-9628-1382</Identifier><AffiliationInfo><Affiliation>Department of Neurology, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China. wangyzh93@mail.sysu.edu.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>81901396</GrantID><Agency>National Natural Science Foundation of China</Agency><Country></Country></Grant><Grant><GrantID>B2018088</GrantID><Agency>Medical Science Research Grant of Guangdong Province</Agency><Country></Country></Grant><Grant><GrantID>A2019439</GrantID><Agency>Medical Science Research Grant of Guangdong Province</Agency><Country></Country></Grant><Grant><GrantID>1010PY(2020)-44</GrantID><Agency>The Sixth Affiliated Hospital of Sun Yat-Sen University Clinical Research - 1010 Program</Agency><Country></Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>11</Month><Day>09</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Cerebellum</MedlineTA><NlmUniqueID>101089443</NlmUniqueID><ISSNLinking>1473-4222</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Multiple system atrophy</Keyword><Keyword MajorTopicYN="N">Postural tremor</Keyword><Keyword MajorTopicYN="N">Spinocerebellar ataxia</Keyword><Keyword MajorTopicYN="N">Static posturography</Keyword><Keyword MajorTopicYN="N">Surface electromyography</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>10</Month><Day>26</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>11</Month><Day>9</Day><Hour>5</Hour><Minute>36</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>11</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>11</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>aheadofprint</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">33164129</ArticleId><ArticleId IdType="doi">10.1007/s12311-020-01209-4</ArticleId><ArticleId IdType="pii">10.1007/s12311-020-01209-4</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country><region><li>Guangdong</li></region><settlement><li>Jiangmen</li></settlement></list><tree><country name="République populaire de Chine"><region name="Guangdong"><name sortKey="Li, Xiaodi" sort="Li, Xiaodi" uniqKey="Li X" first="Xiaodi" last="Li">Xiaodi Li</name></region><name sortKey="Li, Xiaodi" sort="Li, Xiaodi" uniqKey="Li X" first="Xiaodi" last="Li">Xiaodi Li</name><name sortKey="Li, Zhong" sort="Li, Zhong" uniqKey="Li Z" first="Zhong" last="Li">Zhong Li</name><name sortKey="Liu, Churong" sort="Liu, Churong" uniqKey="Liu C" first="Churong" last="Liu">Churong Liu</name><name sortKey="Liu, Churong" sort="Liu, Churong" uniqKey="Liu C" first="Churong" last="Liu">Churong Liu</name><name sortKey="Lv, Xiao" sort="Lv, Xiao" uniqKey="Lv X" first="Xiao" last="Lv">Xiao Lv</name><name sortKey="Lv, Xiao" sort="Lv, Xiao" uniqKey="Lv X" first="Xiao" last="Lv">Xiao Lv</name><name sortKey="Ma, Gengmao" sort="Ma, Gengmao" uniqKey="Ma G" first="Gengmao" last="Ma">Gengmao Ma</name><name sortKey="Ma, Gengmao" sort="Ma, Gengmao" uniqKey="Ma G" first="Gengmao" last="Ma">Gengmao Ma</name><name sortKey="Wang, Yuzhou" sort="Wang, Yuzhou" uniqKey="Wang Y" first="Yuzhou" last="Wang">Yuzhou Wang</name><name sortKey="Xu, Yan" sort="Xu, Yan" uniqKey="Xu Y" first="Yan" last="Xu">Yan Xu</name><name sortKey="Xu, Yan" sort="Xu, Yan" uniqKey="Xu Y" first="Yan" last="Xu">Yan Xu</name><name sortKey="Ye, Jinlong" sort="Ye, Jinlong" uniqKey="Ye J" first="Jinlong" last="Ye">Jinlong Ye</name><name sortKey="Ye, Jinlong" sort="Ye, Jinlong" uniqKey="Ye J" first="Jinlong" last="Ye">Jinlong Ye</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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