Early diagnosis of Guillain-Barré syndrome by electric stimulations of the nerve roots
Boulesteix, J.M.; Tabaraud, F.; Salle, J.Y.; Vallat, J.M.; Dumas, M.; Hugon, J.
Revue Neurologique (Paris) 151(10): 569-575
1995
ISSN/ISBN: 0035-3787 PMID: 8594650 Document Number: 924
Ulnar nerve electrical stimulations from motor roots to wrist were used in the early Guillain-Barre syndrome (GBS), to improve the electrophysiological diagnosis yield. 22 patients with a GBS were investigated with this technique between 3 to 17 days after the onset. Conventionnal electrophysiological examination was sufficient to diagnose an Acute Inflammatory Demyelinating Polyneuropathy in 12 cases. In 10 other patients, standard examination remained negative or not conclusive, and vertebral electrical stimulations were decisive for the diagnosis, showing conduction bloks. This method could be routinely performed for an early diagnosis, in association with conventionnal motor conduction measurements. This study confirms the possibility of a pure proximal demyelinating impairment of the peripheral nervous system in the early GBS.
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