Neuropathie axonale Flashcards

1
Q

Physiopathologie d’une neuropathie axonale :

A

. Destruction des axones eux-mêmes (fibres nerveuses)

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2
Q

Neuropathie axonale: début

A

. Lent

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3
Q

Neuropathie axonale: Topographie

A

. Distale

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4
Q

Neuropathie axonale: ROT

A

. Abolis tardivement

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5
Q

Neuropathie axonale: Déficit moteur

A

. Discret

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6
Q

Neuropathie axonale: Douleurs

A

. Fréquents

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7
Q

Neuropathie axonale: ENMG

A

. Amplitude diminuée (pertes d‘axones)
. Vitesse de conduction normale ou légèrement diminuée
. Latance distale normale
. Bloc de conduction : rare

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8
Q

Neuropathie axonale: Étiologies

A

. DIabète

. Alcool
-> carence B1/B12 associée

. Hypovitaminose B12
-> Biermer, dénutrition

. Médicaments
-> chimiothérapie, isoniazide

. Maladies systémiques
-> IRC, myélome, VIH, lupus

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