Posturographic analysis of balance control in patients with essential tremor
Identifieur interne : 001351 ( Istex/Corpus ); précédent : 001350; suivant : 001352Posturographic analysis of balance control in patients with essential tremor
Auteurs : Marco Bove ; Lucio Marinelli ; Laura Avanzino ; Roberta Marchese ; Giovanni AbbruzzeseSource :
- Movement Disorders [ 0885-3185 ] ; 2006-02.
English descriptors
Abstract
Essential tremor (ET) is a common movement disorder causing an important functional disability. ET is generally regarded as a monosymptomatic disorder, but additional signs may be present. We analyzed postural sway in 19 patients with classic ET and in 19 sex‐ and age‐matched normal controls (NC) to uncover possible abnormalities of balance control. Static posturography was performed with eyes open (EO) and closed during quiet stance and during performance of mental calculation or motor sequence of thumb opposition to the other fingers. No significant differences of center of foot pressure (COP) parameters were observed between patients and controls during quiet standing. Visual deprivation induced a similar worsening of postural sway in both groups. Concomitant performance of a cognitive or motor task did not affect COP area, whereas COP path was significantly modified by the cognitive task in both groups. In all EO conditions, the COP path was significantly lower in NC than in ET, but such offset was related only to the group of ET patients with head tremor. This study demonstrates that balance control is only minimally affected in ET, although patients with head involvement and longer disease duration tend to present a reduced postural stability. The “dual‐task effect” is less important in ET than in Parkinson's disease patients. © 2005 Movement Disorder Society
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DOI: 10.1002/mds.20696
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ISTEX:3B3AF3EF54FC31004178820FD8BB045A52881A29Le document en format XML
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ET is generally regarded as a monosymptomatic disorder, but additional signs may be present. We analyzed postural sway in 19 patients with classic ET and in 19 sex‐ and age‐matched normal controls (NC) to uncover possible abnormalities of balance control. Static posturography was performed with eyes open (EO) and closed during quiet stance and during performance of mental calculation or motor sequence of thumb opposition to the other fingers. No significant differences of center of foot pressure (COP) parameters were observed between patients and controls during quiet standing. Visual deprivation induced a similar worsening of postural sway in both groups. Concomitant performance of a cognitive or motor task did not affect COP area, whereas COP path was significantly modified by the cognitive task in both groups. In all EO conditions, the COP path was significantly lower in NC than in ET, but such offset was related only to the group of ET patients with head tremor. This study demonstrates that balance control is only minimally affected in ET, although patients with head involvement and longer disease duration tend to present a reduced postural stability. The “dual‐task effect” is less important in ET than in Parkinson's disease patients. © 2005 Movement Disorder Society</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Marco Bove PhD</name><affiliations><json:string>Department of Experimental Medicine, Section of Human Physiology, University of Genoa, Genoa, Italy</json:string></affiliations></json:item><json:item><name>Lucio Marinelli MD</name><affiliations><json:string>Department of Neurosciences, Ophthalmology and Genetics, Section of Neurology, University of Genoa, Genoa, Italy</json:string></affiliations></json:item><json:item><name>Laura Avanzino MD</name><affiliations><json:string>Department of Neurosciences, Ophthalmology and Genetics, Section of Neurology, University of Genoa, Genoa, Italy</json:string></affiliations></json:item><json:item><name>Roberta Marchese MD</name><affiliations><json:string>Department of Neurosciences, Ophthalmology and Genetics, Section of Neurology, University of Genoa, Genoa, Italy</json:string></affiliations></json:item><json:item><name>Giovanni Abbruzzese MD</name><affiliations><json:string>Department of Neurosciences, Ophthalmology and Genetics, Section of Neurology, University of Genoa, Genoa, Italy</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>essential tremor</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>balance control</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>static posturography</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>dual task</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>cerebellar dysfunction</value></json:item></subject><language><json:string>eng</json:string></language><abstract>Essential tremor (ET) is a common movement disorder causing an important functional disability. ET is generally regarded as a monosymptomatic disorder, but additional signs may be present. We analyzed postural sway in 19 patients with classic ET and in 19 sex‐ and age‐matched normal controls (NC) to uncover possible abnormalities of balance control. Static posturography was performed with eyes open (EO) and closed during quiet stance and during performance of mental calculation or motor sequence of thumb opposition to the other fingers. No significant differences of center of foot pressure (COP) parameters were observed between patients and controls during quiet standing. Visual deprivation induced a similar worsening of postural sway in both groups. Concomitant performance of a cognitive or motor task did not affect COP area, whereas COP path was significantly modified by the cognitive task in both groups. In all EO conditions, the COP path was significantly lower in NC than in ET, but such offset was related only to the group of ET patients with head tremor. This study demonstrates that balance control is only minimally affected in ET, although patients with head involvement and longer disease duration tend to present a reduced postural stability. 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We analyzed postural sway in 19 patients with classic ET and in 19 sex‐ and age‐matched normal controls (NC) to uncover possible abnormalities of balance control. Static posturography was performed with eyes open (EO) and closed during quiet stance and during performance of mental calculation or motor sequence of thumb opposition to the other fingers. No significant differences of center of foot pressure (COP) parameters were observed between patients and controls during quiet standing. Visual deprivation induced a similar worsening of postural sway in both groups. Concomitant performance of a cognitive or motor task did not affect COP area, whereas COP path was significantly modified by the cognitive task in both groups. In all EO conditions, the COP path was significantly lower in NC than in ET, but such offset was related only to the group of ET patients with head tremor. This study demonstrates that balance control is only minimally affected in ET, although patients with head involvement and longer disease duration tend to present a reduced postural stability. The “dual‐task effect” is less important in ET than in Parkinson's disease patients. © 2005 Movement Disorder Society</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>Keywords</head><item><term>essential tremor</term></item><item><term>balance control</term></item><item><term>static posturography</term></item><item><term>dual task</term></item><item><term>cerebellar dysfunction</term></item></list></keywords></textClass><textClass><keywords scheme="Journal Subject"><list><head>Article category</head><item><term>Research Article</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2005-02-01">Received</change><change when="2005-06-12">Registration</change><change when="2006-02">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><original>false</original><mimetype>text/plain</mimetype><extension>txt</extension><uri>https://api.istex.fr/document/3B3AF3EF54FC31004178820FD8BB045A52881A29/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Wiley Subscription Services, Inc., A Wiley Company</publisherName><publisherLoc>Hoboken</publisherLoc></publisherInfo><doi registered="yes">10.1002/(ISSN)1531-8257</doi><issn type="print">0885-3185</issn><issn type="electronic">1531-8257</issn><idGroup><id type="product" value="MDS"></id></idGroup><titleGroup><title type="main" xml:lang="en" sort="MOVEMENT DISORDERS">Movement Disorders</title><title type="short">Mov. 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ET is generally regarded as a monosymptomatic disorder, but additional signs may be present. We analyzed postural sway in 19 patients with classic ET and in 19 sex‐ and age‐matched normal controls (NC) to uncover possible abnormalities of balance control. Static posturography was performed with eyes open (EO) and closed during quiet stance and during performance of mental calculation or motor sequence of thumb opposition to the other fingers. No significant differences of center of foot pressure (COP) parameters were observed between patients and controls during quiet standing. Visual deprivation induced a similar worsening of postural sway in both groups. Concomitant performance of a cognitive or motor task did not affect COP area, whereas COP path was significantly modified by the cognitive task in both groups. In all EO conditions, the COP path was significantly lower in NC than in ET, but such offset was related only to the group of ET patients with head tremor. This study demonstrates that balance control is only minimally affected in ET, although patients with head involvement and longer disease duration tend to present a reduced postural stability. The “dual‐task effect” is less important in ET than in Parkinson's disease patients. © 2005 Movement Disorder Society</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><!--Version 0.6 générée le 3-12-2015--><mods version="3.6"><titleInfo lang="en"><title>Posturographic analysis of balance control in patients with essential tremor</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Posturography in Essential Tremor</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Posturographic analysis of balance control in patients with essential tremor</title></titleInfo><name type="personal"><namePart type="given">Marco</namePart><namePart type="family">Bove</namePart><namePart type="termsOfAddress">PhD</namePart><affiliation>Department of Experimental Medicine, Section of Human Physiology, University of Genoa, Genoa, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Lucio</namePart><namePart type="family">Marinelli</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurosciences, Ophthalmology and Genetics, Section of Neurology, University of Genoa, Genoa, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Laura</namePart><namePart type="family">Avanzino</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurosciences, Ophthalmology and Genetics, Section of Neurology, University of Genoa, Genoa, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Roberta</namePart><namePart type="family">Marchese</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurosciences, Ophthalmology and Genetics, Section of Neurology, University of Genoa, Genoa, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Giovanni</namePart><namePart type="family">Abbruzzese</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurosciences, Ophthalmology and Genetics, Section of Neurology, University of Genoa, Genoa, Italy</affiliation><description>Correspondence: Department of Neurosciences, Ophthalmology and Genetics, University of Genoa, Via De Toni 5, 16132 Genova, Italy</description><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre authority="originalCategForm">article</genre><originInfo><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><place><placeTerm type="text">Hoboken</placeTerm></place><dateIssued encoding="w3cdtf">2006-02</dateIssued><dateCaptured encoding="w3cdtf">2005-02-01</dateCaptured><dateValid encoding="w3cdtf">2005-06-12</dateValid><copyrightDate encoding="w3cdtf">2006</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">3</extent><extent unit="tables">1</extent><extent unit="references">26</extent><extent unit="words">4399</extent></physicalDescription><abstract lang="fr">Essential tremor (ET) is a common movement disorder causing an important functional disability. ET is generally regarded as a monosymptomatic disorder, but additional signs may be present. We analyzed postural sway in 19 patients with classic ET and in 19 sex‐ and age‐matched normal controls (NC) to uncover possible abnormalities of balance control. Static posturography was performed with eyes open (EO) and closed during quiet stance and during performance of mental calculation or motor sequence of thumb opposition to the other fingers. No significant differences of center of foot pressure (COP) parameters were observed between patients and controls during quiet standing. Visual deprivation induced a similar worsening of postural sway in both groups. Concomitant performance of a cognitive or motor task did not affect COP area, whereas COP path was significantly modified by the cognitive task in both groups. In all EO conditions, the COP path was significantly lower in NC than in ET, but such offset was related only to the group of ET patients with head tremor. This study demonstrates that balance control is only minimally affected in ET, although patients with head involvement and longer disease duration tend to present a reduced postural stability. The “dual‐task effect” is less important in ET than in Parkinson's disease patients. © 2005 Movement Disorder Society</abstract><note type="funding">Italian Ministero Istruzione Università e Ricerca - No. MIUR; FIRB 2001; </note><subject lang="en"><genre>Keywords</genre><topic>essential tremor</topic><topic>balance control</topic><topic>static posturography</topic><topic>dual task</topic><topic>cerebellar dysfunction</topic></subject><relatedItem type="host"><titleInfo><title>Movement Disorders</title></titleInfo><titleInfo type="abbreviated"><title>Mov. Disord.</title></titleInfo><subject><genre>article category</genre><topic>Research Article</topic></subject><identifier type="ISSN">0885-3185</identifier><identifier type="eISSN">1531-8257</identifier><identifier type="DOI">10.1002/(ISSN)1531-8257</identifier><identifier type="PublisherID">MDS</identifier><part><date>2006</date><detail type="volume"><caption>vol.</caption><number>21</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>192</start><end>198</end><total>7</total></extent></part></relatedItem><identifier type="istex">3B3AF3EF54FC31004178820FD8BB045A52881A29</identifier><identifier type="DOI">10.1002/mds.20696</identifier><identifier type="ArticleID">MDS20696</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2005 Movement Disorder Society</accessCondition><recordInfo><recordOrigin>Wiley Subscription Services, Inc., A Wiley Company</recordOrigin><recordContentSource>WILEY</recordContentSource></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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