Vestibular impairment and adaptive postural imbalance in parkinsonian patients with lateral trunk flexion
Identifieur interne : 000098 ( Main/Exploration ); précédent : 000097; suivant : 000099Vestibular impairment and adaptive postural imbalance in parkinsonian patients with lateral trunk flexion
Auteurs : Carmine Vitale [Italie] ; Vincenzo Marcelli [Italie] ; Teresa Furia [Italie] ; Gabriella Santangelo [Italie] ; Autilia Cozzolino [Italie] ; Katia Longo [Italie] ; Roberto Allocca [Italie] ; Marianna Amboni [Italie] ; Elio Marciano [Italie] ; Paolo Barone [Italie]Source :
- Movement Disorders [ 0885-3185 ] ; 2011-07.
English descriptors
Abstract
Lateral trunk flexion is a very common clinical observation in patients affected by Parkinson's disease. Postural control is known to depend on vestibular, visual, and somatosensory information. The aim of this study was to investigate whether impairment of vestibular function can account for the postural alterations observed in parkinsonian patients with lateral trunk flexion. We evaluated vestibular function in 11 parkinsonian patients with lateral trunk flexion and in 11 age‐, sex‐, and disease duration–matched patients without lateral trunk flexion. The following vestibular tests were performed: infrared videonystagmography including fast and slow ocular movements, spontaneous‐positional and evoked nystagmus search with and without visual fixation, fast positioning maneuvers, the bithermal caloric test, and the vibration test. A peripheral, unilateral vestibular hypofunction was identified in all patients with lateral trunk flexion. The vestibular hypofunction was ipsilateral to the leaning side and contralateral to the most affected parkinsonian side in all patients. In the control group, 7 subjects had no vestibular signs; 4 subjects had unilateral vestibular hypofunction without clinically evident lateral trunk flexion. Two of the latter patients subsequently developed lateral trunk flexion ipsilateral to the vestibular deficit and contralateral to the side most affected by Parkinson's disease. The processing of vestibular information was impaired in parkinsonian patients affected by lateral trunk flexion. The impairment was at least in part responsible for the patients' postural abnormality. We propose that the acronym PISA (Postural Imbalance Syndrome with vestibular Alterations) be used to describe the specific postural change observed in parkinsonian patients affected by a vestibular defect and lateral trunk flexion. © 2011 Movement Disorder Society
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DOI: 10.1002/mds.23657
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Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2011-07">2011-07</date><biblScope unit="volume">26</biblScope><biblScope unit="issue">8</biblScope><biblScope unit="page" from="1458">1458</biblScope><biblScope unit="page" to="1463">1463</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">9B3BDA0FF736B57A46C9EAEA8286BEFD5DB5C98D</idno><idno type="DOI">10.1002/mds.23657</idno><idno type="ArticleID">MDS23657</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Parkinson's disease</term><term>lateral trunk flexion</term><term>vestibular hypofunction</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Lateral trunk flexion is a very common clinical observation in patients affected by Parkinson's disease. Postural control is known to depend on vestibular, visual, and somatosensory information. The aim of this study was to investigate whether impairment of vestibular function can account for the postural alterations observed in parkinsonian patients with lateral trunk flexion. We evaluated vestibular function in 11 parkinsonian patients with lateral trunk flexion and in 11 age‐, sex‐, and disease duration–matched patients without lateral trunk flexion. The following vestibular tests were performed: infrared videonystagmography including fast and slow ocular movements, spontaneous‐positional and evoked nystagmus search with and without visual fixation, fast positioning maneuvers, the bithermal caloric test, and the vibration test. A peripheral, unilateral vestibular hypofunction was identified in all patients with lateral trunk flexion. The vestibular hypofunction was ipsilateral to the leaning side and contralateral to the most affected parkinsonian side in all patients. In the control group, 7 subjects had no vestibular signs; 4 subjects had unilateral vestibular hypofunction without clinically evident lateral trunk flexion. Two of the latter patients subsequently developed lateral trunk flexion ipsilateral to the vestibular deficit and contralateral to the side most affected by Parkinson's disease. The processing of vestibular information was impaired in parkinsonian patients affected by lateral trunk flexion. The impairment was at least in part responsible for the patients' postural abnormality. We propose that the acronym PISA (Postural Imbalance Syndrome with vestibular Alterations) be used to describe the specific postural change observed in parkinsonian patients affected by a vestibular defect and lateral trunk flexion. © 2011 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Italie</li></country></list><tree><country name="Italie"><noRegion><name sortKey="Vitale, Carmine" sort="Vitale, Carmine" uniqKey="Vitale C" first="Carmine" last="Vitale">Carmine Vitale</name></noRegion><name sortKey="Allocca, Roberto" sort="Allocca, Roberto" uniqKey="Allocca R" first="Roberto" last="Allocca">Roberto Allocca</name><name sortKey="Amboni, Marianna" sort="Amboni, Marianna" uniqKey="Amboni M" first="Marianna" last="Amboni">Marianna Amboni</name><name sortKey="Amboni, Marianna" sort="Amboni, Marianna" uniqKey="Amboni M" first="Marianna" last="Amboni">Marianna Amboni</name><name sortKey="Amboni, Marianna" sort="Amboni, Marianna" uniqKey="Amboni M" first="Marianna" last="Amboni">Marianna Amboni</name><name sortKey="Barone, Paolo" sort="Barone, Paolo" uniqKey="Barone P" first="Paolo" last="Barone">Paolo Barone</name><name sortKey="Barone, Paolo" sort="Barone, Paolo" uniqKey="Barone P" first="Paolo" last="Barone">Paolo Barone</name><name sortKey="Cozzolino, Autilia" sort="Cozzolino, Autilia" uniqKey="Cozzolino A" first="Autilia" last="Cozzolino">Autilia Cozzolino</name><name sortKey="Furia, Teresa" sort="Furia, Teresa" uniqKey="Furia T" first="Teresa" last="Furia">Teresa Furia</name><name sortKey="Longo, Katia" sort="Longo, Katia" uniqKey="Longo K" first="Katia" last="Longo">Katia Longo</name><name sortKey="Longo, Katia" sort="Longo, Katia" uniqKey="Longo K" first="Katia" last="Longo">Katia Longo</name><name sortKey="Marcelli, Vincenzo" sort="Marcelli, Vincenzo" uniqKey="Marcelli V" first="Vincenzo" last="Marcelli">Vincenzo Marcelli</name><name sortKey="Marcelli, Vincenzo" sort="Marcelli, Vincenzo" uniqKey="Marcelli V" first="Vincenzo" last="Marcelli">Vincenzo Marcelli</name><name sortKey="Marciano, Elio" sort="Marciano, Elio" uniqKey="Marciano E" first="Elio" last="Marciano">Elio Marciano</name><name sortKey="Santangelo, Gabriella" sort="Santangelo, Gabriella" uniqKey="Santangelo G" first="Gabriella" last="Santangelo">Gabriella Santangelo</name><name sortKey="Santangelo, Gabriella" sort="Santangelo, Gabriella" uniqKey="Santangelo G" first="Gabriella" last="Santangelo">Gabriella Santangelo</name><name sortKey="Santangelo, Gabriella" sort="Santangelo, Gabriella" uniqKey="Santangelo G" first="Gabriella" last="Santangelo">Gabriella Santangelo</name><name sortKey="Vitale, Carmine" sort="Vitale, Carmine" uniqKey="Vitale C" first="Carmine" last="Vitale">Carmine Vitale</name><name sortKey="Vitale, Carmine" sort="Vitale, Carmine" uniqKey="Vitale C" first="Carmine" last="Vitale">Carmine Vitale</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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