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Article Dans Une Revue Journal of Neurology, Neurosurgery and Psychiatry Année : 2021

Split-hand and split-limb phenomena in amyotrophic lateral sclerosis: pathophysiology, electrophysiology and clinical manifestations

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Résumé

Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder affecting the upper and lower motor neurons. A key clinical feature of ALS is the absence of accurate, early-stage diagnostic indicators. ‘Split-hand syndrome’ was first described in ALS at the end of the last century and a considerable body of literature suggests that the split-hand phenomenon may be an important clinical feature of ALS. Considering the published investigations, it is conceivable that the ‘split-hand syndrome’ results from the associated upper and lower motor neuron degeneration, whose interaction remains to be fully clarified. Additionally, other split syndromes have been described in ALS involving upper or lower limbs, with a nuanced description of clinical and neurophysiological manifestations that may further aid ALS diagnosis. In this review, we endeavour to systematically present the spectrum of the ‘split syndromes’ in ALS from a clinical and neurophysiology perspective and discuss their diagnostic and pathogenic utility.

Dates et versions

hal-03350850 , version 1 (21-09-2021)

Identifiants

Citer

Philippe Corcia, Peter Bede, Pierre-François Pradat, Philippe Couratier, Steve Vucic, et al.. Split-hand and split-limb phenomena in amyotrophic lateral sclerosis: pathophysiology, electrophysiology and clinical manifestations. Journal of Neurology, Neurosurgery and Psychiatry, In press, 92 (10), pp.1126-1130. ⟨10.1136/jnnp-2021-326266⟩. ⟨hal-03350850⟩
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