Table 1.

Clinical Profile of Reported Patients With Post-COVID-19 Miller Fisher Syndrome.

Author(s)	Age/sex	Neurological findings	Gap from the COVID-19 onset (in days)	EMG/Nerve conduction studies	Neuroimaging	SARS-CoV-2 in cerebrospinal fluid	Anti-ganglioside antibody testing	Specific therapy	Outcome
3	50/M	Anosmia, ageusia, internuclear ophthalmoparesis, right fascicular oculomotor palsy ataxia and areflexia	5	Not reported	Normal unenhanced CT scan of the brain	Negative	Positive (anti-GD1b–IgG)	Intravenous immunoglobulin	Resolution within two weeks
5	36/M	Left eye drooping, blurry vision, reduced sensation, paresthesia in both legs to all modalities below knee level, partial left third nerve, bilateral sixth nerve palsy and areflexia	4	Not reported	Enlargement and T2 hyperintensity, and enhancement of the affected third cranial nerve from the cavernous sinus through the orbit on MRI	Not reported	Positive	Intravenous immunoglobulin	Resolution after one week
6	51/F	Intense root-type pain in all four limbs, dorsal and lumbar back pain, weakness in her lower limbs, double binocular vision (left sixth cranial nerve palsy), bilateral facial paresis, symmetrical paraparesis, global areflexia and autonomic dysfunction	15	Guillain-Barre type demyelinating polyneuropathy	Normal	Not reported	Negative	Intravenous immunoglobulin	Progressive improvement
7	63/M	Perioral and fingertips paresthesias, diplopia, divergent squint, areflexia and ataxic gait	1	Not reported	Not reported	Not reported	Not reported	Intravenous immunoglobulin	Self-limiting illness
8	50/F	Ataxia, ophthalmoplegia, left upper arm cerebellar dysmetria, generalized areflexia, mild lower facial defects and mild hypoesthesia over face	16	Not reported	Normal	Not reported	Negative	Intravenous immunoglobulin	Complete resolution within 14 days
9	36/M	Partial left oculomotor palsy, bilateral abducens palsies, lower limbs hyporeflexia, hypoesthesia and gait ataxia	4	Not reported	Enhancement and T2-hyperintensity and enlargement of the left oculomotor nerve on MRI	Not reported	Negative	Intravenous immunoglobulin	Partially complete resolution
10	45/M	Ataxia, ophthalmoplegia, areflexia and tetraparesis	16	Not reported	Intrathecal cauda-equina enhancement on MRI	Not reported	Positive	Intravenous immunoglobulin	During report writing still needed respiratory support. Partially improvement of neurological picture
11	74/F	Lower limbs areflexia with patent gait ataxia	15	Slight F-wave delay in upper limbs	Normal MRI	Negative	Negative	Intravenous immunoglobulin	Improved
12	61/M	Ophthalmoplegia, generalized areflexia and sensory ataxia	20	F-wave was not detectable	Not reported	Negative	Negative	Intravenous immunoglobulin	Improved
13	31/F	Ophthalmoplegia, ataxia, areflexia and dysmetria	3	Not reported	Normal	Positive	Positive	Convalescent plasma, tocilizumab and intravenous immunoglobulin	Mild improvement
14	50/M	Dysmetria, dysdiadochokinesia and absent upper limbs reflexes	1	Not performed	Normal	Negative	Negative	Intravenous immunoglobulin	Some improvement, before developing ventricular arrhythmia and cardiac arrest unexpectedly.
Current case	55/F	Dysautonomia, ataxia, ophthalmoplegia, areflexia, and paresthesias involving perioral areas and fingers/toes	15	Normal	Normal MRI	Not reported	Positive	Intravenous immunoglobulin	Complete resolution, except generalized hyporeflexia