A case of postanoxic encephalopathy with cortical action and brainstem reticular reflex myoclonus
Identifieur interne : 006207 ( Main/Exploration ); précédent : 006206; suivant : 006208A case of postanoxic encephalopathy with cortical action and brainstem reticular reflex myoclonus
Auteurs : P. Brown [Royaume-Uni] ; P. D. Thompson [Royaume-Uni] ; J. C. Rothwell [Royaume-Uni] ; B. L. Day [Royaume-Uni] ; Marsden [Royaume-Uni]Source :
- Movement Disorders [ 0885-3185 ] ; 1991.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Aged, Anoxia, Arousal (physiology), Brain Mapping, Brain Stem (physiopathology), Brain stem, Brainstem reticular reflex myoclonus, Case study, Cerebral Cortex (physiopathology), Cerebral cortex, Complication, Cortical myoclonus, Diagnosis, Electrodiagnosis, Electroencephalography, Electromyography, Encephalopathy, Epilepsies, Myoclonic (physiopathology), Exploration, Female, Human, Humans, Hypoxia, Brain (physiopathology), Involuntary movement, Motor Neurons (physiology), Myoclonus, Myoclonus (physiopathology), Neck Muscles (innervation), Nervous system diseases, Neural Pathways (physiopathology), Pathophysiology, Reaction Time (physiology), Reflex, Reflex, Startle (physiology), Reticular Formation (physiopathology), Spinal Cord (physiopathology), Striated muscle.
- MESH :
- innervation : Neck Muscles.
- physiology : Arousal, Motor Neurons, Reaction Time, Reflex, Startle.
- physiopathology : Brain Stem, Cerebral Cortex, Epilepsies, Myoclonic, Hypoxia, Brain, Myoclonus, Neural Pathways, Reticular Formation, Spinal Cord.
- Aged, Brain Mapping, Electroencephalography, Electromyography, Female, Humans.
Abstract
A patient with postanoxic encephalopathy, with both action‐ and stimulus‐sensitive reflex myoclonus, is described. The action myoclonus was multifocal and cortical in origin. In contrast, reflex myoclonus elicited by somaesthetic and auditory stimulation was generalised. The earliest reflex electromyograph activity was recorded in the sternocleidomastoid; myoclonic activity then spread up the brainstem and down the spinal cord, suggesting that this reflex myoclonus had its origin in the caudal brainstem. Stimulus sensitivity was greatest in the limbs. The bulbospinal motor pathways involved in the generalised reflex myoclonus were rapidly conducting, and this characteristic distinguishes this form of brainstem reflex myoclonus from that described in hyperekplexia.
Url:
DOI: 10.1002/mds.870060209
Affiliations:
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Le document en format XML
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Brown</name><affiliation wicri:level="2"><country>Royaume-Uni</country><placeName><region type="country">Angleterre</region></placeName><wicri:cityArea>MRC Human Movement and Balance Unit, and University Department of Clinical Neurology, Institute of Neurology, London</wicri:cityArea></affiliation></author><author><name sortKey="Thompson, P D" sort="Thompson, P D" uniqKey="Thompson P" first="P. D." last="Thompson">P. D. Thompson</name><affiliation wicri:level="2"><country>Royaume-Uni</country><placeName><region type="country">Angleterre</region></placeName><wicri:cityArea>MRC Human Movement and Balance Unit, and University Department of Clinical Neurology, Institute of Neurology, London</wicri:cityArea></affiliation></author><author><name sortKey="Rothwell, J C" sort="Rothwell, J C" uniqKey="Rothwell J" first="J. C." last="Rothwell">J. C. Rothwell</name><affiliation wicri:level="2"><country>Royaume-Uni</country><placeName><region type="country">Angleterre</region></placeName><wicri:cityArea>MRC Human Movement and Balance Unit, and University Department of Clinical Neurology, Institute of Neurology, London</wicri:cityArea></affiliation></author><author><name sortKey="Day, B L" sort="Day, B L" uniqKey="Day B" first="B. L." last="Day">B. L. Day</name><affiliation wicri:level="2"><country>Royaume-Uni</country><placeName><region type="country">Angleterre</region></placeName><wicri:cityArea>MRC Human Movement and Balance Unit, and University Department of Clinical Neurology, Institute of Neurology, London</wicri:cityArea></affiliation></author><author><name sortKey="Marsden" sort="Marsden" uniqKey="Marsden" last="Marsden">Marsden</name><affiliation wicri:level="2"><country>Royaume-Uni</country><placeName><region type="country">Angleterre</region></placeName><wicri:cityArea>MRC Human Movement and Balance Unit, and University Department of Clinical Neurology, Institute of Neurology, London</wicri:cityArea></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="1991">1991</date><biblScope unit="vol">6</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="139">139</biblScope><biblScope unit="page" to="144">144</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">F6CF5A1822727DAA61B3A2870713301B1742030F</idno><idno type="DOI">10.1002/mds.870060209</idno><idno type="ArticleID">MDS870060209</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Anoxia</term><term>Arousal (physiology)</term><term>Brain Mapping</term><term>Brain Stem (physiopathology)</term><term>Brain stem</term><term>Brainstem reticular reflex myoclonus</term><term>Case study</term><term>Cerebral Cortex (physiopathology)</term><term>Cerebral cortex</term><term>Complication</term><term>Cortical myoclonus</term><term>Diagnosis</term><term>Electrodiagnosis</term><term>Electroencephalography</term><term>Electromyography</term><term>Encephalopathy</term><term>Epilepsies, Myoclonic (physiopathology)</term><term>Exploration</term><term>Female</term><term>Human</term><term>Humans</term><term>Hypoxia, Brain (physiopathology)</term><term>Involuntary movement</term><term>Motor Neurons (physiology)</term><term>Myoclonus</term><term>Myoclonus (physiopathology)</term><term>Neck Muscles (innervation)</term><term>Nervous system diseases</term><term>Neural Pathways (physiopathology)</term><term>Pathophysiology</term><term>Reaction Time (physiology)</term><term>Reflex</term><term>Reflex, Startle (physiology)</term><term>Reticular Formation (physiopathology)</term><term>Spinal Cord (physiopathology)</term><term>Striated muscle</term></keywords><keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Neck Muscles</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Arousal</term><term>Motor Neurons</term><term>Reaction Time</term><term>Reflex, Startle</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Brain Stem</term><term>Cerebral Cortex</term><term>Epilepsies, Myoclonic</term><term>Hypoxia, Brain</term><term>Myoclonus</term><term>Neural Pathways</term><term>Reticular Formation</term><term>Spinal Cord</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Brain Mapping</term><term>Electroencephalography</term><term>Electromyography</term><term>Female</term><term>Humans</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Anoxie</term><term>Complication</term><term>Cortex cérébral</term><term>Diagnostic</term><term>Electrodiagnostic</term><term>Electroencéphalographie</term><term>Electromyographie</term><term>Encéphalopathie</term><term>Etude cas</term><term>Exploration</term><term>Homme</term><term>Mouvement involontaire</term><term>Muscle strié</term><term>Myoclonie</term><term>Physiopathologie</term><term>Réflexe</term><term>Système nerveux pathologie</term><term>Tronc cérébral</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">A patient with postanoxic encephalopathy, with both action‐ and stimulus‐sensitive reflex myoclonus, is described. The action myoclonus was multifocal and cortical in origin. In contrast, reflex myoclonus elicited by somaesthetic and auditory stimulation was generalised. The earliest reflex electromyograph activity was recorded in the sternocleidomastoid; myoclonic activity then spread up the brainstem and down the spinal cord, suggesting that this reflex myoclonus had its origin in the caudal brainstem. Stimulus sensitivity was greatest in the limbs. The bulbospinal motor pathways involved in the generalised reflex myoclonus were rapidly conducting, and this characteristic distinguishes this form of brainstem reflex myoclonus from that described in hyperekplexia.</div></front></TEI><affiliations><list><country><li>Royaume-Uni</li></country><region><li>Angleterre</li></region></list><tree><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Brown, P" sort="Brown, P" uniqKey="Brown P" first="P." last="Brown">P. Brown</name></region><name sortKey="Day, B L" sort="Day, B L" uniqKey="Day B" first="B. L." last="Day">B. L. Day</name><name sortKey="Marsden" sort="Marsden" uniqKey="Marsden" last="Marsden">Marsden</name><name sortKey="Rothwell, J C" sort="Rothwell, J C" uniqKey="Rothwell J" first="J. C." last="Rothwell">J. C. Rothwell</name><name sortKey="Thompson, P D" sort="Thompson, P D" uniqKey="Thompson P" first="P. D." last="Thompson">P. D. Thompson</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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