Repetitive transcranial magnetic stimulation for levodopa‐induced dyskinesias in Parkinson's disease
Identifieur interne : 000971 ( Main/Exploration ); précédent : 000970; suivant : 000972Repetitive transcranial magnetic stimulation for levodopa‐induced dyskinesias in Parkinson's disease
Auteurs : Saša R. Filipovi [Royaume-Uni] ; John C. Rothwell [Royaume-Uni] ; Bart P. Van De Warrenburg [Royaume-Uni, Pays-Bas] ; Kailash Bhatia [Royaume-Uni]Source :
- Movement Disorders [ 0885-3185 ] ; 2009-01-30.
English descriptors
Abstract
In a placebo‐controlled, single‐blinded, crossover study, we assessed the effect of “real” repetitive transcranial magnetic stimulation (rTMS) versus “sham” rTMS (placebo) on peak dose dyskinesias in patients with Parkinson's disease (PD). Ten patients with PD and prominent dyskinesias had rTMS (1,800 pulses; 1 Hz rate) delivered over the motor cortex for 4 consecutive days twice, once real stimuli and once sham stimulation were used; evaluations were done at the baseline and 1 day after the end of each of the treatment series. Direct comparison between sham and real rTMS effects showed no significant difference in clinician‐assessed dyskinesia severity. However, comparison with the baseline showed small but significant reduction in dyskinesia severity following real rTMS but not placebo. The major effect was on dystonia subscore. Similarly, in patient diaries, although both treatments caused reduction in subjective dyskinesia scores during the days of intervention, the effect was sustained for 3 days after the intervention for the real rTMS only. Following rTMS, no side effects and no adverse effects on motor function and PD symptoms were noted. The results suggest the existence of residual beneficial clinical aftereffects of consecutive daily applications of low‐frequency rTMS on dyskinesias in PD. The effects may be further exploited for potential therapeutic uses. © 2008 Movement Disorder Society
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DOI: 10.1002/mds.22348
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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="2009-01-30">2009-01-30</date><biblScope unit="volume">24</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="246">246</biblScope><biblScope unit="page" to="253">253</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">FE0418C4633CE28DE9587EE8D6E478381B1FC835</idno><idno type="DOI">10.1002/mds.22348</idno><idno type="ArticleID">MDS22348</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>dyskinesia</term><term>placebo</term><term>transcranial magnetic stimulation</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In a placebo‐controlled, single‐blinded, crossover study, we assessed the effect of “real” repetitive transcranial magnetic stimulation (rTMS) versus “sham” rTMS (placebo) on peak dose dyskinesias in patients with Parkinson's disease (PD). Ten patients with PD and prominent dyskinesias had rTMS (1,800 pulses; 1 Hz rate) delivered over the motor cortex for 4 consecutive days twice, once real stimuli and once sham stimulation were used; evaluations were done at the baseline and 1 day after the end of each of the treatment series. Direct comparison between sham and real rTMS effects showed no significant difference in clinician‐assessed dyskinesia severity. However, comparison with the baseline showed small but significant reduction in dyskinesia severity following real rTMS but not placebo. The major effect was on dystonia subscore. Similarly, in patient diaries, although both treatments caused reduction in subjective dyskinesia scores during the days of intervention, the effect was sustained for 3 days after the intervention for the real rTMS only. Following rTMS, no side effects and no adverse effects on motor function and PD symptoms were noted. The results suggest the existence of residual beneficial clinical aftereffects of consecutive daily applications of low‐frequency rTMS on dyskinesias in PD. The effects may be further exploited for potential therapeutic uses. © 2008 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Pays-Bas</li><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Grand Londres</li><li>Gueldre</li></region><settlement><li>Londres</li><li>Nimègue</li></settlement></list><tree><country name="Royaume-Uni"><noRegion><name sortKey="Filipovi, Sasa R" sort="Filipovi, Sasa R" uniqKey="Filipovi S" first="Saša R." last="Filipovi">Saša R. Filipovi</name></noRegion><name sortKey="Bhatia, Kailash" sort="Bhatia, Kailash" uniqKey="Bhatia K" first="Kailash" last="Bhatia">Kailash Bhatia</name><name sortKey="Rothwell, John C" sort="Rothwell, John C" uniqKey="Rothwell J" first="John C." last="Rothwell">John C. 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