Changes induced by levodopa and subthalamic nucleus stimulation on parkinsonian speech
Identifieur interne : 000163 ( France/Analysis ); précédent : 000162; suivant : 000164Changes induced by levodopa and subthalamic nucleus stimulation on parkinsonian speech
Auteurs : Serge Pinto [France, Royaume-Uni] ; Michèle Gentil [France] ; Paul Krack [France] ; Paul Sauleau [France] ; Valérie Fraix [France] ; Alim-Louis Benabid [France] ; Pierre Pollak [France]Source :
- Movement Disorders [ 0885-3185 ] ; 2005-11.
English descriptors
Abstract
Levodopa (L‐dopa) and subthalamic nucleus (STN) stimulation treatments have been associated with both improvement and exacerbation of dysarthria in Parkinson's disease (PD). We report four cases illustrating variant responses of dysarthria to dopaminergic and STN stimulation therapies. Patients' motor disability and dysarthria were perceptually rated by the Unified Parkinson's Disease Rating Scale (UPDRS) in four conditions according to medication and STN stimulation. Dedicated software packages allowed acquisition and analysis of acoustic recordings. Case 1, who had a severe off period aphonia, experienced improvement of speech induced by both levodopa and STN stimulation. In Case 2, both treatments worsened speech due to the appearance of dyskinesias. Case 3 had a dysarthria exacerbation induced by STN stimulation with parameters above optimal levels, interpreted as current diffusion from the STN to corticobulbar fibers. In Case 4, dysarthria exacerbation occurred with stimulation at an electrode contact located caudally to the target, also arguing for current diffusion as a potential mechanism of speech worsening. The presented cases demonstrated variant effects in relation to L‐dopa and STN stimulation on speech. It seems that motor speech subcomponents can be improved like other limb motor aspect, but that complex coordination of all speech anatomical substrates is not responsive to STN stimulation. These hypotheses may be helpful for better understanding and management of STN stimulation effects on motor speech and skeleton–motor subsystems. © 2005 Movement Disorder Society
Url:
DOI: 10.1002/mds.20601
Affiliations:
- France, Royaume-Uni
- Angleterre, Auvergne-Rhône-Alpes, Grand Londres, Rhône-Alpes
- Grenoble, Londres, Rennes
- Centre hospitalier universitaire Grenoble Alpes
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Alpes</orgName></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>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2005-11">2005-11</date><biblScope unit="volume">20</biblScope><biblScope unit="issue">11</biblScope><biblScope unit="page" from="1507">1507</biblScope><biblScope unit="page" to="1515">1515</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">077060E6701AD06B35201829319A89FB791126D1</idno><idno type="DOI">10.1002/mds.20601</idno><idno type="ArticleID">MDS20601</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>L‐dopa</term><term>Parkinson's disease</term><term>dysarthria</term><term>speech</term><term>subthalamic nucleus stimulation</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Levodopa (L‐dopa) and subthalamic nucleus (STN) stimulation treatments have been associated with both improvement and exacerbation of dysarthria in Parkinson's disease (PD). We report four cases illustrating variant responses of dysarthria to dopaminergic and STN stimulation therapies. Patients' motor disability and dysarthria were perceptually rated by the Unified Parkinson's Disease Rating Scale (UPDRS) in four conditions according to medication and STN stimulation. Dedicated software packages allowed acquisition and analysis of acoustic recordings. Case 1, who had a severe off period aphonia, experienced improvement of speech induced by both levodopa and STN stimulation. In Case 2, both treatments worsened speech due to the appearance of dyskinesias. Case 3 had a dysarthria exacerbation induced by STN stimulation with parameters above optimal levels, interpreted as current diffusion from the STN to corticobulbar fibers. In Case 4, dysarthria exacerbation occurred with stimulation at an electrode contact located caudally to the target, also arguing for current diffusion as a potential mechanism of speech worsening. The presented cases demonstrated variant effects in relation to L‐dopa and STN stimulation on speech. It seems that motor speech subcomponents can be improved like other limb motor aspect, but that complex coordination of all speech anatomical substrates is not responsive to STN stimulation. These hypotheses may be helpful for better understanding and management of STN stimulation effects on motor speech and skeleton–motor subsystems. © 2005 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>France</li><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Auvergne-Rhône-Alpes</li><li>Grand Londres</li><li>Rhône-Alpes</li></region><settlement><li>Grenoble</li><li>Londres</li><li>Rennes</li></settlement><orgName><li>Centre hospitalier universitaire Grenoble Alpes</li></orgName></list><tree><country name="France"><noRegion><name sortKey="Pinto, Serge" sort="Pinto, Serge" uniqKey="Pinto S" first="Serge" last="Pinto">Serge Pinto</name></noRegion><name sortKey="Benabid, Alim Ouis" sort="Benabid, Alim Ouis" uniqKey="Benabid A" first="Alim-Louis" last="Benabid">Alim-Louis Benabid</name><name sortKey="Benabid, Alim Ouis" sort="Benabid, Alim Ouis" uniqKey="Benabid A" first="Alim-Louis" last="Benabid">Alim-Louis Benabid</name><name sortKey="Fraix, Valerie" sort="Fraix, Valerie" uniqKey="Fraix V" first="Valérie" last="Fraix">Valérie Fraix</name><name sortKey="Fraix, Valerie" sort="Fraix, Valerie" uniqKey="Fraix V" first="Valérie" last="Fraix">Valérie Fraix</name><name sortKey="Gentil, Michele" sort="Gentil, Michele" uniqKey="Gentil M" first="Michèle" last="Gentil">Michèle Gentil</name><name sortKey="Krack, Paul" sort="Krack, Paul" uniqKey="Krack P" first="Paul" last="Krack">Paul Krack</name><name sortKey="Krack, Paul" sort="Krack, Paul" uniqKey="Krack P" first="Paul" last="Krack">Paul Krack</name><name sortKey="Pollak, Pierre" sort="Pollak, Pierre" uniqKey="Pollak P" first="Pierre" last="Pollak">Pierre Pollak</name><name sortKey="Pollak, Pierre" sort="Pollak, Pierre" uniqKey="Pollak P" first="Pierre" last="Pollak">Pierre Pollak</name><name sortKey="Sauleau, Paul" sort="Sauleau, Paul" uniqKey="Sauleau P" first="Paul" last="Sauleau">Paul Sauleau</name><name sortKey="Sauleau, Paul" sort="Sauleau, Paul" uniqKey="Sauleau P" first="Paul" last="Sauleau">Paul Sauleau</name></country><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Pinto, Serge" sort="Pinto, Serge" uniqKey="Pinto S" first="Serge" last="Pinto">Serge Pinto</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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