Left hemibody myoclonus due to anomalous right vertebral artery
Identifieur interne : 004F55 ( Main/Merge ); précédent : 004F54; suivant : 004F56Left hemibody myoclonus due to anomalous right vertebral artery
Auteurs : Miguel Coelho [Espagne] ; Maria J. Marti [Espagne] ; Josep Valls-Solé [Espagne] ; Teresa Pujol [Espagne] ; Eduardo Tolosa [Espagne]Source :
- Movement Disorders [ 0885-3185 ] ; 2005-01.
English descriptors
- KwdEn :
- Adult, Electric Stimulation, Electroencephalography (methods), Electromyography (methods), Evoked Potentials, Somatosensory (physiology), Functional Laterality, Humans, Magnetic Resonance Spectroscopy (methods), Magnetics, Male, Medulla Oblongata (pathology), Muscle, Skeletal (physiopathology), Muscle, Skeletal (radiation effects), Myoclonus (pathology), Myoclonus (therapy), Vertebral Artery (abnormalities), Vertebral Artery (pathology), brainstem, myoclonus, vascular malformation, vertebral artery.
- MESH :
- abnormalities : Vertebral Artery.
- methods : Electroencephalography, Electromyography, Magnetic Resonance Spectroscopy.
- pathology : Medulla Oblongata, Myoclonus, Vertebral Artery.
- physiology : Evoked Potentials, Somatosensory.
- physiopathology : Muscle, Skeletal.
- radiation effects : Muscle, Skeletal.
- therapy : Myoclonus.
- Adult, Electric Stimulation, Functional Laterality, Humans, Magnetics, Male.
Abstract
A 43‐year‐old man presented with sporadic, sudden, brief, and involuntary jerks of his left limbs and trunk muscles. The electromyographic recordings showed short‐lasting highly synchronized bursts, compatible with myoclonus limited to the left hemibody. Blink reflex, masseter silent period, cortical and spinal magnetic stimulation, somatosensory cortical evoked potentials, and electroencephalogram (EEG) were normal; the EEG back‐averaging showed no spikes preceding the myoclonus. Magnetic resonance imaging and magnetic resonance angiography showed the presence of an anomalous nonectasic right vertebral artery compressing the right side of ventral medulla oblongata. We hypothesize that the aberrant right vertebral artery induced abnormal activation of descending motor tracts responsible for the myoclonus. © 2004 Movement Disorder Society
Url:
DOI: 10.1002/mds.20273
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<front><div type="abstract" xml:lang="en">A 43‐year‐old man presented with sporadic, sudden, brief, and involuntary jerks of his left limbs and trunk muscles. The electromyographic recordings showed short‐lasting highly synchronized bursts, compatible with myoclonus limited to the left hemibody. Blink reflex, masseter silent period, cortical and spinal magnetic stimulation, somatosensory cortical evoked potentials, and electroencephalogram (EEG) were normal; the EEG back‐averaging showed no spikes preceding the myoclonus. Magnetic resonance imaging and magnetic resonance angiography showed the presence of an anomalous nonectasic right vertebral artery compressing the right side of ventral medulla oblongata. We hypothesize that the aberrant right vertebral artery induced abnormal activation of descending motor tracts responsible for the myoclonus. © 2004 Movement Disorder Society</div>
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<front><div type="abstract" xml:lang="en">A 43-year-old man presented with sporadic, sudden, brief, and involuntary jerks of his left limbs and trunk muscles. The electromyographic recordings showed short-lasting highly synchronized bursts, compatible with myoclonus limited to the left hemibody. Blink reflex, masseter silent period, cortical and spinal magnetic stimulation, somatosensory cortical evoked potentials, and electroencephalogram (EEG) were normal; the EEG back-averaging showed no spikes preceding the myoclonus. Magnetic resonance imaging and magnetic resonance angiography showed the presence of an anomalous nonectasic right vertebral artery compressing the right side of ventral medulla oblongata. We hypothesize that the aberrant right vertebral artery induced abnormal activation of descending motor tracts responsible for the myoclonus.</div>
</front>
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