Validation for tremor quantification of an electromagnetic tracking device
Identifieur interne : 004654 ( Main/Exploration ); précédent : 004653; suivant : 004655Validation for tremor quantification of an electromagnetic tracking device
Auteurs : Padraig E. O'Suilleabhain [États-Unis] ; Richard B. Dewey Jr. [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 2001-03.
English descriptors
- KwdEn :
- Adult, Aged, Aged, 80 and over, Algorithms, Electromagnetic Phenomena (instrumentation), Electromagnetic Phenomena (methods), Equipment Design, Humans, Middle Aged, Parkinson Disease (complications), Parkinson's disease, Severity of Illness Index, Tremor (diagnosis), Tremor (etiology), electromagnetic tracking device, essential tremor, tremor quantification.
- MESH :
- complications : Parkinson Disease.
- diagnosis : Tremor.
- etiology : Tremor.
- instrumentation : Electromagnetic Phenomena.
- methods : Electromagnetic Phenomena.
- Adult, Aged, Aged, 80 and over, Algorithms, Equipment Design, Humans, Middle Aged, Severity of Illness Index.
Abstract
An electromagnetic tracking system was used to record arm motion in subjects with Parkinson's disease (n = 23), essential tremor (n = 28) or without neurological disease (n = 4). Tremor magnitude was calculated by averaging the three‐dimensional displacement of individual tremor bursts. Tremor magnitude calculated in this manner was quite closely correlated with a clinician's estimate (r = 0.88 and 0.86 for Parkinsonian and essential tremors, respectively) and was reproducible (r = 0.93 for repeated recordings). The accuracy of the device and algorithm was confirmed by mechanically generating oscillations of known magnitudes and frequencies. This device is adaptable for quantifying different types of tremors and its accuracy is easy to verify. Because position rather than acceleration is tracked, tremor amplitude can be stated in readily comprehensible units. © 2001 Movement Disorder Society.
Url:
DOI: 10.1002/mds.1064
Affiliations:
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Dewey Jr.</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:79A712FF1F4170B3DB8BC3ACA8EFD437DAA22156</idno><date when="2001" year="2001">2001</date><idno type="doi">10.1002/mds.1064</idno><idno type="url">https://api.istex.fr/document/79A712FF1F4170B3DB8BC3ACA8EFD437DAA22156/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">002111</idno><idno type="wicri:Area/Istex/Curation">002111</idno><idno type="wicri:Area/Istex/Checkpoint">002E80</idno><idno type="wicri:doubleKey">0885-3185:2001:O Suilleabhain P:validation:for:tremor</idno><idno type="wicri:Area/Main/Merge">006B35</idno><idno type="wicri:source">PubMed</idno><idno type="RBID">pubmed:11295779</idno><idno type="wicri:Area/PubMed/Corpus">003D82</idno><idno type="wicri:Area/PubMed/Curation">003D82</idno><idno type="wicri:Area/PubMed/Checkpoint">003C11</idno><idno type="wicri:Area/Ncbi/Merge">000469</idno><idno type="wicri:Area/Ncbi/Curation">000469</idno><idno type="wicri:Area/Ncbi/Checkpoint">000469</idno><idno type="wicri:doubleKey">0885-3185:2001:O Suilleabhain P:validation:for:tremor</idno><idno type="wicri:Area/Main/Merge">006913</idno><idno type="wicri:Area/Main/Curation">004654</idno><idno type="wicri:Area/Main/Exploration">004654</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Validation for tremor quantification of an electromagnetic tracking device</title><author><name sortKey="O Suilleabhain, Padraig E" sort="O Suilleabhain, Padraig E" uniqKey="O Suilleabhain P" first="Padraig E." last="O'Suilleabhain">Padraig E. 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Dewey Jr.</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Neurology, University of Texas Southwestern Medical Center, Dallas, Texas</wicri:regionArea><placeName><region type="state">Texas</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Movement Disorders</title><title level="j" type="sub">Official Journal of the Movement Disorder Society</title><title level="j" type="abbrev">Mov. Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>John Wiley & Sons, Inc.</publisher><pubPlace>New York</pubPlace><date type="published" when="2001-03">2001-03</date><biblScope unit="vol">16</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="265">265</biblScope><biblScope unit="page" to="271">271</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">79A712FF1F4170B3DB8BC3ACA8EFD437DAA22156</idno><idno type="DOI">10.1002/mds.1064</idno><idno type="ArticleID">MDS1064</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Algorithms</term><term>Electromagnetic Phenomena (instrumentation)</term><term>Electromagnetic Phenomena (methods)</term><term>Equipment Design</term><term>Humans</term><term>Middle Aged</term><term>Parkinson Disease (complications)</term><term>Parkinson's disease</term><term>Severity of Illness Index</term><term>Tremor (diagnosis)</term><term>Tremor (etiology)</term><term>electromagnetic tracking device</term><term>essential tremor</term><term>tremor quantification</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Tremor</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Tremor</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Electromagnetic Phenomena</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Electromagnetic Phenomena</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Algorithms</term><term>Equipment Design</term><term>Humans</term><term>Middle Aged</term><term>Severity of Illness Index</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">An electromagnetic tracking system was used to record arm motion in subjects with Parkinson's disease (n = 23), essential tremor (n = 28) or without neurological disease (n = 4). Tremor magnitude was calculated by averaging the three‐dimensional displacement of individual tremor bursts. Tremor magnitude calculated in this manner was quite closely correlated with a clinician's estimate (r = 0.88 and 0.86 for Parkinsonian and essential tremors, respectively) and was reproducible (r = 0.93 for repeated recordings). The accuracy of the device and algorithm was confirmed by mechanically generating oscillations of known magnitudes and frequencies. This device is adaptable for quantifying different types of tremors and its accuracy is easy to verify. Because position rather than acceleration is tracked, tremor amplitude can be stated in readily comprehensible units. © 2001 Movement Disorder Society.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Texas</li></region></list><tree><country name="États-Unis"><noRegion><name sortKey="O Suilleabhain, Padraig E" sort="O Suilleabhain, Padraig E" uniqKey="O Suilleabhain P" first="Padraig E." last="O'Suilleabhain">Padraig E. O'Suilleabhain</name></noRegion><name sortKey="Dewey Jr, Richard B" sort="Dewey Jr, Richard B" uniqKey="Dewey Jr R" first="Richard B." last="Dewey Jr.">Richard B. Dewey Jr.</name><name sortKey="O Suilleabhain, Padraig E" sort="O Suilleabhain, Padraig E" uniqKey="O Suilleabhain P" first="Padraig E." last="O'Suilleabhain">Padraig E. O'Suilleabhain</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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