Clinical and neurophysiological characterization of myoclonus in complex regional pain syndrome.
Identifieur interne : 001F92 ( Ncbi/Checkpoint ); précédent : 001F91; suivant : 001F93Clinical and neurophysiological characterization of myoclonus in complex regional pain syndrome.
Auteurs : Alexander G. Munts [Pays-Bas] ; Anne-Fleur Van Rootselaar ; Johan N. Van Der Meer ; Johannes H T M. Koelman ; Jacobus J. Van Hilten ; Marina A J. TijssenSource :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2008.
English descriptors
- KwdEn :
- Adult, Cerebral Cortex (physiopathology), Diagnosis, Differential, Electroencephalography, Electromyography (instrumentation), Female, Humans, Male, Middle Aged, Muscle, Skeletal (physiopathology), Myoclonus (diagnosis), Myoclonus (epidemiology), Myoclonus (physiopathology), Pain Measurement, Reflex Sympathetic Dystrophy (diagnosis), Reflex Sympathetic Dystrophy (epidemiology), Reflex Sympathetic Dystrophy (physiopathology), Spinal Cord (physiopathology), Tremor (diagnosis), Tremor (epidemiology), Tremor (physiopathology).
- MESH :
- diagnosis : Myoclonus, Reflex Sympathetic Dystrophy, Tremor.
- epidemiology : Myoclonus, Reflex Sympathetic Dystrophy, Tremor.
- instrumentation : Electromyography.
- physiopathology : Cerebral Cortex, Muscle, Skeletal, Myoclonus, Reflex Sympathetic Dystrophy, Spinal Cord, Tremor.
- Adult, Diagnosis, Differential, Electroencephalography, Female, Humans, Male, Middle Aged, Pain Measurement.
Abstract
The origin of myoclonus in patients with complex regional pain syndrome (CRPS) is unknown. Eight patients with CRPS related myoclonus were clinically evaluated and studied with intermuscular and corticomuscular coherence analysis. Jerks were present at rest, aggravated during action and were frequently associated with tremulousness or dystonia. Electromyography demonstrated a burst duration ranging from 25 to 240 ms with burst frequencies varying from <1 jerk/s during rest to 20 Hz during action. Coherence studies showed increased intermuscular coherence in 4 patients in the 6 to 12 Hz band, as reported in patients with enhanced physiological tremor. In 2 patients side-to-side coherence was observed, pointing to a central oscillatory drive. Significant coherence entrainment was detected in 5 patients. We conclude that the characteristics of myoclonus in CRPS are different from other forms of myoclonus.
DOI: 10.1002/mds.21910
PubMed: 18163455
Affiliations:
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Munts</name><affiliation wicri:level="3"><nlm:affiliation>Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands.</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Neurology, Leiden University Medical Center, Leiden</wicri:regionArea><placeName><settlement type="city">Leyde</settlement><region nuts="2" type="province">Hollande-Méridionale</region></placeName></affiliation></author><author><name sortKey="Van Rootselaar, Anne Fleur" sort="Van Rootselaar, Anne Fleur" uniqKey="Van Rootselaar A" first="Anne-Fleur" last="Van Rootselaar">Anne-Fleur Van Rootselaar</name></author><author><name sortKey="Van Der Meer, Johan N" sort="Van Der Meer, Johan N" uniqKey="Van Der Meer J" first="Johan N" last="Van Der Meer">Johan N. Van Der Meer</name></author><author><name sortKey="Koelman, Johannes H T M" sort="Koelman, Johannes H T M" uniqKey="Koelman J" first="Johannes H T M" last="Koelman">Johannes H T M. Koelman</name></author><author><name sortKey="Van Hilten, Jacobus J" sort="Van Hilten, Jacobus J" uniqKey="Van Hilten J" first="Jacobus J" last="Van Hilten">Jacobus J. Van Hilten</name></author><author><name sortKey="Tijssen, Marina A J" sort="Tijssen, Marina A J" uniqKey="Tijssen M" first="Marina A J" last="Tijssen">Marina A J. Tijssen</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2008">2008</date><idno type="doi">10.1002/mds.21910</idno><idno type="RBID">pubmed:18163455</idno><idno type="pmid">18163455</idno><idno type="wicri:Area/PubMed/Corpus">002367</idno><idno type="wicri:Area/PubMed/Curation">002367</idno><idno type="wicri:Area/PubMed/Checkpoint">002381</idno><idno type="wicri:Area/Ncbi/Merge">001F92</idno><idno type="wicri:Area/Ncbi/Curation">001F92</idno><idno type="wicri:Area/Ncbi/Checkpoint">001F92</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Clinical and neurophysiological characterization of myoclonus in complex regional pain syndrome.</title><author><name sortKey="Munts, Alexander G" sort="Munts, Alexander G" uniqKey="Munts A" first="Alexander G" last="Munts">Alexander G. Munts</name><affiliation wicri:level="3"><nlm:affiliation>Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands.</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Neurology, Leiden University Medical Center, Leiden</wicri:regionArea><placeName><settlement type="city">Leyde</settlement><region nuts="2" type="province">Hollande-Méridionale</region></placeName></affiliation></author><author><name sortKey="Van Rootselaar, Anne Fleur" sort="Van Rootselaar, Anne Fleur" uniqKey="Van Rootselaar A" first="Anne-Fleur" last="Van Rootselaar">Anne-Fleur Van Rootselaar</name></author><author><name sortKey="Van Der Meer, Johan N" sort="Van Der Meer, Johan N" uniqKey="Van Der Meer J" first="Johan N" last="Van Der Meer">Johan N. Van Der Meer</name></author><author><name sortKey="Koelman, Johannes H T M" sort="Koelman, Johannes H T M" uniqKey="Koelman J" first="Johannes H T M" last="Koelman">Johannes H T M. Koelman</name></author><author><name sortKey="Van Hilten, Jacobus J" sort="Van Hilten, Jacobus J" uniqKey="Van Hilten J" first="Jacobus J" last="Van Hilten">Jacobus J. Van Hilten</name></author><author><name sortKey="Tijssen, Marina A J" sort="Tijssen, Marina A J" uniqKey="Tijssen M" first="Marina A J" last="Tijssen">Marina A J. Tijssen</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="eISSN">1531-8257</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Cerebral Cortex (physiopathology)</term><term>Diagnosis, Differential</term><term>Electroencephalography</term><term>Electromyography (instrumentation)</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Muscle, Skeletal (physiopathology)</term><term>Myoclonus (diagnosis)</term><term>Myoclonus (epidemiology)</term><term>Myoclonus (physiopathology)</term><term>Pain Measurement</term><term>Reflex Sympathetic Dystrophy (diagnosis)</term><term>Reflex Sympathetic Dystrophy (epidemiology)</term><term>Reflex Sympathetic Dystrophy (physiopathology)</term><term>Spinal Cord (physiopathology)</term><term>Tremor (diagnosis)</term><term>Tremor (epidemiology)</term><term>Tremor (physiopathology)</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Myoclonus</term><term>Reflex Sympathetic Dystrophy</term><term>Tremor</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Myoclonus</term><term>Reflex Sympathetic Dystrophy</term><term>Tremor</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Electromyography</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Cerebral Cortex</term><term>Muscle, Skeletal</term><term>Myoclonus</term><term>Reflex Sympathetic Dystrophy</term><term>Spinal Cord</term><term>Tremor</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Diagnosis, Differential</term><term>Electroencephalography</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Pain Measurement</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The origin of myoclonus in patients with complex regional pain syndrome (CRPS) is unknown. Eight patients with CRPS related myoclonus were clinically evaluated and studied with intermuscular and corticomuscular coherence analysis. Jerks were present at rest, aggravated during action and were frequently associated with tremulousness or dystonia. Electromyography demonstrated a burst duration ranging from 25 to 240 ms with burst frequencies varying from <1 jerk/s during rest to 20 Hz during action. Coherence studies showed increased intermuscular coherence in 4 patients in the 6 to 12 Hz band, as reported in patients with enhanced physiological tremor. In 2 patients side-to-side coherence was observed, pointing to a central oscillatory drive. Significant coherence entrainment was detected in 5 patients. We conclude that the characteristics of myoclonus in CRPS are different from other forms of myoclonus.</div></front></TEI><affiliations><list><country><li>Pays-Bas</li></country><region><li>Hollande-Méridionale</li></region><settlement><li>Leyde</li></settlement></list><tree><noCountry><name sortKey="Koelman, Johannes H T M" sort="Koelman, Johannes H T M" uniqKey="Koelman J" first="Johannes H T M" last="Koelman">Johannes H T M. Koelman</name><name sortKey="Tijssen, Marina A J" sort="Tijssen, Marina A J" uniqKey="Tijssen M" first="Marina A J" last="Tijssen">Marina A J. Tijssen</name><name sortKey="Van Der Meer, Johan N" sort="Van Der Meer, Johan N" uniqKey="Van Der Meer J" first="Johan N" last="Van Der Meer">Johan N. Van Der Meer</name><name sortKey="Van Hilten, Jacobus J" sort="Van Hilten, Jacobus J" uniqKey="Van Hilten J" first="Jacobus J" last="Van Hilten">Jacobus J. Van Hilten</name><name sortKey="Van Rootselaar, Anne Fleur" sort="Van Rootselaar, Anne Fleur" uniqKey="Van Rootselaar A" first="Anne-Fleur" last="Van Rootselaar">Anne-Fleur Van Rootselaar</name></noCountry><country name="Pays-Bas"><region name="Hollande-Méridionale"><name sortKey="Munts, Alexander G" sort="Munts, Alexander G" uniqKey="Munts A" first="Alexander G" last="Munts">Alexander G. Munts</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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