Bilateral painful hand–moving fingers: Electrophysiological assessment of the central nervous system oscillator
Identifieur interne : 007425 ( Main/Merge ); précédent : 007424; suivant : 007426Bilateral painful hand–moving fingers: Electrophysiological assessment of the central nervous system oscillator
Auteurs : Bahman Jabbari [États-Unis] ; Fiona M. Molloy [États-Unis] ; Marleigh Erickson [États-Unis] ; Mary K. Floeter [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 2000-11.
English descriptors
Abstract
We describe a 35‐year‐old woman who presented with the syndrome of painful hand–moving fingers on the right side. Eight months later, she developed similar finger movements and hand discomfort on the left side. She had a history of hand trauma and recurrent shoulder dislocation on the right side. Kinesiologic electromyography suggested a common central oscillator for finger movements in both hands. Electrophysiological assessment of spinal alpha motor neuron excitability, reciprocal inhibition, and Renshaw cell inhibition failed to show any abnormalities. Somatosensory evoked potential test showed marked attenuation of N20 potential recorded from the left somatosensory cortex; paired transcortical magnetic stimulation of the left motor cortex suggested failure of cortical facilitation. The data suggest that the central oscillator responsible for finger movements is located above the spinal cord level in this patient.
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DOI: 10.1002/1531-8257(200011)15:6<1259::AID-MDS1032>3.0.CO;2-5
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Eight months later, she developed similar finger movements and hand discomfort on the left side. She had a history of hand trauma and recurrent shoulder dislocation on the right side. Kinesiologic electromyography suggested a common central oscillator for finger movements in both hands. Electrophysiological assessment of spinal alpha motor neuron excitability, reciprocal inhibition, and Renshaw cell inhibition failed to show any abnormalities. Somatosensory evoked potential test showed marked attenuation of N20 potential recorded from the left somatosensory cortex; paired transcortical magnetic stimulation of the left motor cortex suggested failure of cortical facilitation. The data suggest that the central oscillator responsible for finger movements is located above the spinal cord level in this patient.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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