Dopamine levels after repetitive transcranial magnetic stimulation of motor cortex in patients with Parkinson's disease: Preliminary results
Identifieur interne : 002E86 ( Main/Exploration ); précédent : 002E85; suivant : 002E87Dopamine levels after repetitive transcranial magnetic stimulation of motor cortex in patients with Parkinson's disease: Preliminary results
Auteurs : Eman M. Khedr [Égypte] ; John C. Rothwell [Royaume-Uni] ; Ola A. Shawky [Égypte] ; Mohammed A. Ahmed [Égypte] ; Nageh Foly K [Égypte] ; Ahmed Hamdy [Égypte]Source :
- Movement Disorders [ 0885-3185 ] ; 2007-05-15.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Aged, Aged, 80 and over, Bradykinesia, Dopamine, Dopamine (metabolism), Female, Human, Humans, Male, Middle Aged, Motor Cortex (metabolism), Motor cortex, Nervous system diseases, Parkinson Disease (metabolism), Parkinson Disease (pathology), Parkinson disease, Parkinson' disease, Repetitive stimulus, Transcranial Magnetic Stimulation, Transcranial magnetic stimulation, UPDRS, rTMS, serum dopamine.
- MESH :
- chemical , metabolism : Dopamine.
- metabolism : Motor Cortex, Parkinson Disease.
- pathology : Parkinson Disease.
- Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Transcranial Magnetic Stimulation.
Abstract
Background: Repeated sessions of repetitive transcranial magnetic stimulation (rTMS) over motor cortex have been reported to produce significant improvement of motor performance in patients with Parkinson's disease (PD). In addition, it is known that a single session of rTMS over motor cortex transiently increases DA in striatum. Here, we test whether repeated sessions of rTMS increase serum dopamine in PD patients and whether this correlates with changes in clinical rating scales. Material and Methods: Twenty untreated PD patients with moderate to severe symptoms (Hoehn & Yahr stage III–V 1967) were assessed on the Unified Parkinson's Disease Rating Scale (UPDRS), and with an enzyme immunoassay for quantitative determination of plasma dopamine before and after six daily sessions of 25 Hz rTMS with 3,000 stimuli over the right and left hand and leg motor cortex. Results: There was significant improvement in UPDRS compared with the baseline. Serum dopamine level also was significantly elevated ever the same interval. There was a significant correlation between UPDRS and serum dopamine level before and after treatment. Conclusion: Improved motor performance in PD after repeated sessions of rTMS may be related to an elevation of serum dopamine concentration. © 2007 Movement Disorder Society
Url:
DOI: 10.1002/mds.21460
Affiliations:
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Le document en format XML
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Shawky</name><affiliation wicri:level="1"><country xml:lang="fr">Égypte</country><wicri:regionArea>Department of Neurology, Assiut University Hospital, Assiut</wicri:regionArea><wicri:noRegion>Assiut</wicri:noRegion></affiliation></author><author><name sortKey="Ahmed, Mohammed A" sort="Ahmed, Mohammed A" uniqKey="Ahmed M" first="Mohammed A." last="Ahmed">Mohammed A. 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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="2007-05-15">2007-05-15</date><biblScope unit="vol">22</biblScope><biblScope unit="issue">7</biblScope><biblScope unit="page" from="1046">1046</biblScope><biblScope unit="page" to="1050">1050</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">F8B90704C17B973F91FD1ECD26451F38735487D3</idno><idno type="DOI">10.1002/mds.21460</idno><idno type="ArticleID">MDS21460</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Bradykinesia</term><term>Dopamine</term><term>Dopamine (metabolism)</term><term>Female</term><term>Human</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Motor Cortex (metabolism)</term><term>Motor cortex</term><term>Nervous system diseases</term><term>Parkinson Disease (metabolism)</term><term>Parkinson Disease (pathology)</term><term>Parkinson disease</term><term>Parkinson' disease</term><term>Repetitive stimulus</term><term>Transcranial Magnetic Stimulation</term><term>Transcranial magnetic stimulation</term><term>UPDRS</term><term>rTMS</term><term>serum dopamine</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Dopamine</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Motor Cortex</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Transcranial Magnetic Stimulation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Cortex moteur</term><term>Dopamine</term><term>Homme</term><term>Parkinson maladie</term><term>Stimulation magnétique transcrânienne</term><term>Stimulus répétitif</term><term>Système nerveux pathologie</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Background: Repeated sessions of repetitive transcranial magnetic stimulation (rTMS) over motor cortex have been reported to produce significant improvement of motor performance in patients with Parkinson's disease (PD). In addition, it is known that a single session of rTMS over motor cortex transiently increases DA in striatum. Here, we test whether repeated sessions of rTMS increase serum dopamine in PD patients and whether this correlates with changes in clinical rating scales. Material and Methods: Twenty untreated PD patients with moderate to severe symptoms (Hoehn & Yahr stage III–V 1967) were assessed on the Unified Parkinson's Disease Rating Scale (UPDRS), and with an enzyme immunoassay for quantitative determination of plasma dopamine before and after six daily sessions of 25 Hz rTMS with 3,000 stimuli over the right and left hand and leg motor cortex. Results: There was significant improvement in UPDRS compared with the baseline. Serum dopamine level also was significantly elevated ever the same interval. There was a significant correlation between UPDRS and serum dopamine level before and after treatment. Conclusion: Improved motor performance in PD after repeated sessions of rTMS may be related to an elevation of serum dopamine concentration. © 2007 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Royaume-Uni</li><li>Égypte</li></country><region><li>Angleterre</li><li>Grand Londres</li></region><settlement><li>Londres</li></settlement></list><tree><country name="Égypte"><noRegion><name sortKey="Khedr, Eman M" sort="Khedr, Eman M" uniqKey="Khedr E" first="Eman M." last="Khedr">Eman M. Khedr</name></noRegion><name sortKey="Ahmed, Mohammed A" sort="Ahmed, Mohammed A" uniqKey="Ahmed M" first="Mohammed A." last="Ahmed">Mohammed A. Ahmed</name><name sortKey="Foly K, Nageh" sort="Foly K, Nageh" uniqKey="Foly K N" first="Nageh" last="Foly K">Nageh Foly K</name><name sortKey="Hamdy, Ahmed" sort="Hamdy, Ahmed" uniqKey="Hamdy A" first="Ahmed" last="Hamdy">Ahmed Hamdy</name><name sortKey="Shawky, Ola A" sort="Shawky, Ola A" uniqKey="Shawky O" first="Ola A." last="Shawky">Ola A. Shawky</name></country><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Rothwell, John C" sort="Rothwell, John C" uniqKey="Rothwell J" first="John C." last="Rothwell">John C. Rothwell</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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