Propriospinal myoclonus: A motor phenomenon found in restless legs syndrome different from periodic limb movements during sleep
Identifieur interne : 003774 ( Main/Exploration ); précédent : 003773; suivant : 003775Propriospinal myoclonus: A motor phenomenon found in restless legs syndrome different from periodic limb movements during sleep
Auteurs : Roberto Vetrugno [Italie] ; Federica Provini [Italie] ; Giuseppe Plazzi [Italie] ; Pietro Cortelli [Italie] ; Pasquale Montagna [Italie]Source :
- Movement Disorders [ 0885-3185 ] ; 2005-10.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
- Adult, Aged, Aged, 80 and over, Diagnosis, Differential, Electroencephalography, Electromyography, Electronystagmography, Female, Humans, Male, Middle Aged, Muscle, Skeletal (physiopathology), Myoclonus, Myoclonus (diagnosis), Myoclonus (epidemiology), Myoclonus (physiopathology), Nervous system diseases, Nocturnal Myoclonus Syndrome (diagnosis), Nocturnal Myoclonus Syndrome (epidemiology), Nocturnal Myoclonus Syndrome (physiopathology), Polysomnography, Restless Legs Syndrome (diagnosis), Restless Legs Syndrome (epidemiology), Restless Legs Syndrome (physiopathology), Restless legs syndrome, Severity of Illness Index, Sleep, Sleep Stages (physiology), Spine, Videotape Recording, Wakefulness (physiology), periodic limb movements during sleep, polysomnography, propriospinal myoclonus, restless legs syndrome, sleep.
- MESH :
- diagnosis : Myoclonus, Nocturnal Myoclonus Syndrome, Restless Legs Syndrome.
- epidemiology : Myoclonus, Nocturnal Myoclonus Syndrome, Restless Legs Syndrome.
- physiology : Sleep Stages, Wakefulness.
- physiopathology : Muscle, Skeletal, Myoclonus, Nocturnal Myoclonus Syndrome, Restless Legs Syndrome.
- Adult, Aged, Aged, 80 and over, Diagnosis, Differential, Electroencephalography, Electromyography, Electronystagmography, Female, Humans, Male, Middle Aged, Polysomnography, Severity of Illness Index, Sleep, Spine, Videotape Recording.
Abstract
Three patients presented with a 25‐, 15‐, and 5‐year history of restless legs syndrome (RLS) and periodic limb movements during sleep (PLMS). For 1, 4, and 5 years, they reported additional involuntary trunk and limbs jerks preceding falling asleep and occasionally during intrasleep wakefulness. Videopolysomnography revealed jerks during relaxed wakefulness arising in axial muscles with a caudal and rostral propagation at a slow conduction velocity, characteristic of propriospinal myoclonus (PSM). Jerk‐related EEG–EMG back‐averaging did not disclose any preceding cortical potential. During relaxed wakefulness preceding falling asleep and during intrasleep wakefulness, PSM coexisted with motor restlessness and sensory discomfort in the limbs. PSM disappeared when spindles and K‐complexes appeared on the EEG. At this time, typical PLMS appeared every 20 to 40 seconds, especially during light sleep stages. PLMS EMG activity was limited to leg, especially tibialis anterior muscles, and did not show propriospinal propagation. In one patient, alternating leg muscle activation was also present. Jerks with a PSM pattern represent another motor phenomenon associated with RLS and different from the more usual PLMS. © 2005 Movement Disorder Society
Url:
DOI: 10.1002/mds.20599
Affiliations:
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Le document en format XML
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For 1, 4, and 5 years, they reported additional involuntary trunk and limbs jerks preceding falling asleep and occasionally during intrasleep wakefulness. Videopolysomnography revealed jerks during relaxed wakefulness arising in axial muscles with a caudal and rostral propagation at a slow conduction velocity, characteristic of propriospinal myoclonus (PSM). Jerk‐related EEG–EMG back‐averaging did not disclose any preceding cortical potential. During relaxed wakefulness preceding falling asleep and during intrasleep wakefulness, PSM coexisted with motor restlessness and sensory discomfort in the limbs. PSM disappeared when spindles and K‐complexes appeared on the EEG. At this time, typical PLMS appeared every 20 to 40 seconds, especially during light sleep stages. PLMS EMG activity was limited to leg, especially tibialis anterior muscles, and did not show propriospinal propagation. In one patient, alternating leg muscle activation was also present. Jerks with a PSM pattern represent another motor phenomenon associated with RLS and different from the more usual PLMS. © 2005 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Italie</li></country></list><tree><country name="Italie"><noRegion><name sortKey="Vetrugno, Roberto" sort="Vetrugno, Roberto" uniqKey="Vetrugno R" first="Roberto" last="Vetrugno">Roberto Vetrugno</name></noRegion><name sortKey="Cortelli, Pietro" sort="Cortelli, Pietro" uniqKey="Cortelli P" first="Pietro" last="Cortelli">Pietro Cortelli</name><name sortKey="Montagna, Pasquale" sort="Montagna, Pasquale" uniqKey="Montagna P" first="Pasquale" last="Montagna">Pasquale Montagna</name><name sortKey="Plazzi, Giuseppe" sort="Plazzi, Giuseppe" uniqKey="Plazzi G" first="Giuseppe" last="Plazzi">Giuseppe Plazzi</name><name sortKey="Provini, Federica" sort="Provini, Federica" uniqKey="Provini F" first="Federica" last="Provini">Federica Provini</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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