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Table 3 Data from 2 patients diagnosed with ANE and 1 patient with highly suspected ANE

From: Seizures in febrile children with SARS-CoV-2 infection: clinical features, short-term follow-up

Variable

Patient 3

Patient 4

Patient 5

Sex

Female

Male

Male

Age

2 years and 2 months

11 months

2 months

Main symptoms

Fever, seizures, impaired consciousness, double inspiration

Fever, seizures, impaired consciousness

Fever, seizures, impaired consciousness

Seizure forms

GTCS

GTCS

GTCS

Primary Diagnosis

ANE

ANE

Highly suspicious of ANE

Cerebrospinal fluid

    WBC(*106/L)

None

1

19

    GLU(mmol/L)

None

2.85

2.34

    PRO(g/L)

None

4.04

3.01

    EBV(PCR)

None

Negative

Negative

    HSV(PCR)

None

Negative

Negative

    CMV(PCR)

None

Negative

Negative

    Cultivation

None

Negative

Negative

    mNGS

None

Negative

None

Hematology tests

    WBC(*109/L)

9.72

9.06

5.94

    CRP(mg/L)

10.51

17.66

0.71

    PCT(ng/ml)

38.23

> 100

0.17

    ALT(U/L)

222

1307

32

    AST(U/L)

241

1970

48

    SF(ng/ml)

907.4

None

None

    IL-6(pg/ml)

None

109.1

None

CT or MRI of the head

The bilateral cerebellar hemispheres and thalamus exhibit symmetric patchy hypodense lesions. The density of the brainstem is reduced. In parts of the bilateral cerebral hemispheres, the grey-white matter differentiation is well-defined

Bilateral thalami, basal ganglia, brainstem, and cerebellum show symmetric large areas of hypodensity with partial swelling

The bilateral cerebral hemispheres demonstrate widespread hyperintense signals on both T1 and T2 weighted images. Similar signal abnormalities are observed in the bilateral thalamus, internal capsule, and brainstem

Main treatment ventilator

Drugs

Invasive ventilator

Invasive ventilator

None

 

Methylprednisolone

Methylprednisolone

Methylprednisolone

 

Gammaglobulin

Gammaglobulin

Gammaglobulin

  1. ANE:Acute necrotizing encephalopathies;WBC: White blood cell count;CRP: C-reactive protein;PCT:Procalcitonin;
  2. PRO:Protein;EBV:Epstein-Barr virus;HSV:Herpes simplex virus;CMV:Cytomegalovirus;mNGS:metagenomic next-generation sequencing;ALT:Alanine aminotransferase;AST:Aspartate aminotransferase;SF:Serum ferritin;IL-6:Interleukin-6