"Pseudospasticity" in Guillain-Barré syndrome.
We report a woman with Guillain-Barré syndrome who developed a flexion posture of the right arm and hand resembling upper motor neuron dysfunction. EMG demonstrated that involuntary peripherally generated continuous motor unit discharges caused the posture.
Preston
D C
DC
Department of Neurology, Tufts-New England Medical Center, Boston, MA 02111.
Kelly
J J
JJ
D000368:Aged; D005121:Extremities; D005260:Female; D006801:Humans; D009046:Motor Neurons / Q000502:physiology; D009127:Muscle Rigidity; D009128:Muscle Spasticity / Q000209:etiology*; D009132:Muscles / Q000294:innervation; D009431:Neural Conduction; D011129:Polyradiculoneuropathy / Q000150:complications* / Q000503:physiopathology; D011187:Posture; D011999:Recruitment, Neurophysiological; D012677:Sensation; D013997:Time Factors