Table 3. COVID-19 cases-associated AMSAN variant of Guillain-Barre syndrome.

EMG, electromyography; CSF, cerebrospinal fluid; MRI, magnetic resonance imaging; AMSAN, acute motor and sensory axonal neuropathy; ACD, albumin-cytologic disassociation; IVIG, intravenous immunoglobulin; M, male; F, female; MRI, magnetic resonance imaging; COVID-19, coronavirus disease 19

Author	Age (yrs)	Sex	Time between events (days)	Clinical features	EMG	CSF analysis	MRI	Treatment
Toscano et al. [7]	77	F	07	Tetraplegia, areflexia, paranesthesia in upper limbs, facial diplopia, dysphagia, tongue weakness, respiratory failure	AMSAN	ACD	spine: enhancement of caudal never roots	Two cycles of IVIG,s poor outcomes
Toscano et al. [7]	23	M	Zero	Facial paresis, areflexia, lower limbs paranesthesia, ataxia	AMSAN	ACD	Brain: enhancement of facial never bilaterally	IVIG, slow improvement
Assini et al. [8]	60	M	20	Tetraplegia, areflexia, massive, dysautonomia (gastralgia, paralytic ileus, hypotension)	AMSAN	Normal	Not available	IVIGs rapid improvement.
Sedaghat et al. [9]	65	M	14	Tetra paresis, facial paresis, areflexia, hypoaesthesia, sensory deficit in lower limbs	AMSAN	Not available	Brain and cervical spine normal	IVIG, not available
El Otmani et al. [10]	70	F	03	Tetraplegia, areflexia, paranesthesia in all limbs, bilateral positive Lasegue sign	AMSAN	ACD	Not available	IVIG, not available