Mirror movements in parkinsonism : evaluation of a new clinical sign. Commentary
Identifieur interne : 002B15 ( Main/Exploration ); précédent : 002B14; suivant : 002B16Mirror movements in parkinsonism : evaluation of a new clinical sign. Commentary
Auteurs : S. F. Farmer [Royaume-Uni] ; A. J. Espay [Canada] ; J.-Y. Li [Canada] ; L. Johnston [Canada] ; R. Chen [Canada] ; A. E. Lang [Canada]Source :
- Journal of neurology, neurosurgery and psychiatry [ 0022-3050 ] ; 2005.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Background: Mirror movements (MM) are not widely appreciated in parkinsonism and no report has evaluated this clinical sign in detail. Objectives: To define the parkinsonian clinical features associated with MM in patients with early, asymmetric parkinsonism. Methods: Twenty seven patients with early Parkinson's disease were evaluated using a standardised videotaping protocol. MM were scored from blinded video assessment using a clinical scale that rates the amplitude, distribution, and proportion of mirroring in the less affected limb. Parkinsonian features were combined into axial and lateralised scores using related items of the Unified Parkinson's Disease Rating Scale. Results: MM were present in 24 of 27 patients. There was a significant linear correlation between the degree of asymmetry of motor deficits and MM on the less affected side. The effect of asymmetry was greater when the proportional rather than the absolute motor difference between sides was largest. Asymmetry in leg rigidity was the most important examination feature in the prediction of contralateral foot mirroring. Conclusions: MM are a clinical feature of the unaffected or less affected side in mild asymmetric parkinsonism. Their presence may be a useful clinical finding in early parkinsonism.
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Mirror movements in parkinsonism : evaluation of a new clinical sign. Commentary</title><author><name sortKey="Farmer, S F" sort="Farmer, S F" uniqKey="Farmer S" first="S. F." last="Farmer">S. F. Farmer</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>National Hospital for Neurology and Neurosurgery, Queen Square</s1><s2>London WC1N 3BG</s2><s3>GBR</s3><sZ>1 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>London WC1N 3BG</wicri:noRegion></affiliation></author><author><name sortKey="Espay, A J" sort="Espay, A J" uniqKey="Espay A" first="A. J." last="Espay">A. J. Espay</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Division of Neurology, Deportment of Medicine, Toronto Western Research Institute, University of Toronto</s1><s2>Toronto, Ontario MST 258</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author><author><name sortKey="Li, J Y" sort="Li, J Y" uniqKey="Li J" first="J.-Y." last="Li">J.-Y. Li</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Division of Neurology, Deportment of Medicine, Toronto Western Research Institute, University of Toronto</s1><s2>Toronto, Ontario MST 258</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author><author><name sortKey="Johnston, L" sort="Johnston, L" uniqKey="Johnston L" first="L." last="Johnston">L. Johnston</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Division of Neurology, Deportment of Medicine, Toronto Western Research Institute, University of Toronto</s1><s2>Toronto, Ontario MST 258</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author><author><name sortKey="Chen, R" sort="Chen, R" uniqKey="Chen R" first="R." last="Chen">R. Chen</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Division of Neurology, Deportment of Medicine, Toronto Western Research Institute, University of Toronto</s1><s2>Toronto, Ontario MST 258</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author><author><name sortKey="Lang, A E" sort="Lang, A E" uniqKey="Lang A" first="A. E." last="Lang">A. E. Lang</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Division of Neurology, Deportment of Medicine, Toronto Western Research Institute, University of Toronto</s1><s2>Toronto, Ontario MST 258</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">05-0437660</idno><date when="2005">2005</date><idno type="stanalyst">PASCAL 05-0437660 INIST</idno><idno type="RBID">Pascal:05-0437660</idno><idno type="wicri:Area/PascalFrancis/Corpus">000886</idno><idno type="wicri:Area/PascalFrancis/Curation">000437</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000783</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000783</idno><idno type="wicri:doubleKey">0022-3050:2005:Farmer S:mirror:movements:in</idno><idno type="wicri:Area/Main/Merge">002E51</idno><idno type="wicri:Area/Main/Curation">002B15</idno><idno type="wicri:Area/Main/Exploration">002B15</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Mirror movements in parkinsonism : evaluation of a new clinical sign. Commentary</title><author><name sortKey="Farmer, S F" sort="Farmer, S F" uniqKey="Farmer S" first="S. F." last="Farmer">S. F. Farmer</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>National Hospital for Neurology and Neurosurgery, Queen Square</s1><s2>London WC1N 3BG</s2><s3>GBR</s3><sZ>1 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>London WC1N 3BG</wicri:noRegion></affiliation></author><author><name sortKey="Espay, A J" sort="Espay, A J" uniqKey="Espay A" first="A. J." last="Espay">A. J. Espay</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Division of Neurology, Deportment of Medicine, Toronto Western Research Institute, University of Toronto</s1><s2>Toronto, Ontario MST 258</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author><author><name sortKey="Li, J Y" sort="Li, J Y" uniqKey="Li J" first="J.-Y." last="Li">J.-Y. Li</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Division of Neurology, Deportment of Medicine, Toronto Western Research Institute, University of Toronto</s1><s2>Toronto, Ontario MST 258</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author><author><name sortKey="Johnston, L" sort="Johnston, L" uniqKey="Johnston L" first="L." last="Johnston">L. Johnston</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Division of Neurology, Deportment of Medicine, Toronto Western Research Institute, University of Toronto</s1><s2>Toronto, Ontario MST 258</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author><author><name sortKey="Chen, R" sort="Chen, R" uniqKey="Chen R" first="R." last="Chen">R. Chen</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Division of Neurology, Deportment of Medicine, Toronto Western Research Institute, University of Toronto</s1><s2>Toronto, Ontario MST 258</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author><author><name sortKey="Lang, A E" sort="Lang, A E" uniqKey="Lang A" first="A. E." last="Lang">A. E. Lang</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Division of Neurology, Deportment of Medicine, Toronto Western Research Institute, University of Toronto</s1><s2>Toronto, Ontario MST 258</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author></analytic><series><title level="j" type="main">Journal of neurology, neurosurgery and psychiatry</title><title level="j" type="abbreviated">J. neurol. neurosurg. psychiatry</title><idno type="ISSN">0022-3050</idno><imprint><date when="2005">2005</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of neurology, neurosurgery and psychiatry</title><title level="j" type="abbreviated">J. neurol. neurosurg. psychiatry</title><idno type="ISSN">0022-3050</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Evaluation</term><term>Mirror</term><term>Nervous system diseases</term><term>Parkinsonism</term><term>Sign</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Système nerveux pathologie</term><term>Parkinsonisme</term><term>Miroir</term><term>Evaluation</term><term>Signe</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Background: Mirror movements (MM) are not widely appreciated in parkinsonism and no report has evaluated this clinical sign in detail. Objectives: To define the parkinsonian clinical features associated with MM in patients with early, asymmetric parkinsonism. Methods: Twenty seven patients with early Parkinson's disease were evaluated using a standardised videotaping protocol. MM were scored from blinded video assessment using a clinical scale that rates the amplitude, distribution, and proportion of mirroring in the less affected limb. Parkinsonian features were combined into axial and lateralised scores using related items of the Unified Parkinson's Disease Rating Scale. Results: MM were present in 24 of 27 patients. There was a significant linear correlation between the degree of asymmetry of motor deficits and MM on the less affected side. The effect of asymmetry was greater when the proportional rather than the absolute motor difference between sides was largest. Asymmetry in leg rigidity was the most important examination feature in the prediction of contralateral foot mirroring. Conclusions: MM are a clinical feature of the unaffected or less affected side in mild asymmetric parkinsonism. Their presence may be a useful clinical finding in early parkinsonism.</div></front></TEI><affiliations><list><country><li>Canada</li><li>Royaume-Uni</li></country><region><li>Ontario</li></region><settlement><li>Toronto</li></settlement><orgName><li>Université de Toronto</li></orgName></list><tree><country name="Royaume-Uni"><noRegion><name sortKey="Farmer, S F" sort="Farmer, S F" uniqKey="Farmer S" first="S. F." last="Farmer">S. F. Farmer</name></noRegion></country><country name="Canada"><region name="Ontario"><name sortKey="Espay, A J" sort="Espay, A J" uniqKey="Espay A" first="A. J." last="Espay">A. J. Espay</name></region><name sortKey="Chen, R" sort="Chen, R" uniqKey="Chen R" first="R." last="Chen">R. Chen</name><name sortKey="Johnston, L" sort="Johnston, L" uniqKey="Johnston L" first="L." last="Johnston">L. Johnston</name><name sortKey="Lang, A E" sort="Lang, A E" uniqKey="Lang A" first="A. E." last="Lang">A. E. Lang</name><name sortKey="Li, J Y" sort="Li, J Y" uniqKey="Li J" first="J.-Y." last="Li">J.-Y. Li</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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