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Table 3 Diagnostics and imaging

From: Long-term outcome in new onset refractory status epilepticus: a retrospective study

Patient

NORSE Etiology

WCC (pro µL)

Albumin quotient in CSF

Abnormalities at first MRI

Brain FDG-PET abnormalities

First EEG

Origin or maximum of ED/SE

EEG at ICU-discharge or last EEG before death

Origin or maximum of epileptic discharges

Semiology of seizures

cEEG

Duration of continuous EEG (days)

In-hospital death

Timing of death (days after hospital admission)

1

Crypto

8

N

No

Heterogeneous cortical hyper- and hypometabolism

DB

NA

DB

NA

Repetitive GTCS

Yes

45

Yes

52

2

CASPR-2 AI encephalitis

2

N

DWI restriction: left parahippocampal gyrus

NA

MFS/SE

O

MFS/SE

O

One GTCS, then NC

Yes

19

Yes

34

3

CAS with recurrent perfusion deficit

29

N

DWI restriction: cortical, bilateral, parietal

NA

FS/SE

TP

No ED, no SE

NA

One GTCS, then focal or NC

No

NA

No

4

Crypto

276

No

No

FS/SE

F

Repetitive, focal ED

F

NC

Yes

3

No

5

Crypto

4

T2-/FLAIR-

Hyperintensities, white substance mainly left occipitotemporal

NA

MFS/SE

FC

No ED, no SE

NA

NC

No

NA

No

6

Crypto

0

NA

LE

NA

FS/SE

F

FSE

F

NC

Yes

8

Yes

41

7

Crypto

0

N

T2-/FLAIR-

Hyperintensities right insula, cingulate gyrus, hippocampus

No

MFS/SE

F

No ED, no SE

NA

Repetitive GTCS

No

NA

No

8

Crypto

32

NA

LE

NA

FS/SE

F

Repetitive, focal ED

T

One GTCS,

then NC

No

NA

No

743

9

Crypto

5

N

DWI restriction, right thalamus

No

FS/SE

F

Few, focal ED

TP

Repetitive GTCS

Yes

15

No

10

Crypto

6

T2-/FLAIR

Hyperintensities cortical frontal, cingulate gyrus, thalamus, cerebellar bilateral

No

FS/SE

F

NA

NA

Repetitive GTCS

Yes

16

No

995

11

CJD

1

NA

No

No

FS/SE

C

FS or SE

O

Focal

Yes

5

Yes

32

12

HSV-1

23

CE right temporal

NA

FS/SE

T

Repetitive, generalized ED

F

NC

No

NA

Yes

8

13

Tick-borne encephalitis

130

T2-/FLAIR-hyperintensities right parietooccipital

NA

MFS/SE

F

No ED, no SE

NA

Repetitive GTCS

No

NA

No

14

HSV type 1

53

N

T2-/FLAIR-

Hyperintensities right temporal and insular

NA

FS/SE

T

No ED, no SE

NA

NC

Yes

10

No

676

15

Crypto

20

NA

T2-/FLAIR-

Hyperintensities in the basal ganglia

NA

FS/SE

C

NA

NA

Repetitive GTCS

Yes

2

Yes

9

16

Crypto

19

N

LE

NA

FS/SE

F

No ED, no SE

NA

Two GTCS, then NC

Yes

2

Yes

70

17

HSV-1

626

T2-/FLAIR-

Hyperintensities left temporal, amygdala and hippocampus

NA

FS/SE

T

No ED, no SE

NA

One GTCS, then NC

Yes

4

No

18

Crypto

34

N

T2-/FLAIR-

Hyperintensities putamen and nucleus caudatus bilateral

Generalized hypometabolism

MFS/SE

TF

FS

TP

Focal

Yes

80

No

19

Crypto

1

N

DWI restriction, global

NA

FS/SE

PO

Repetitive, focal ED

P

NC

Yes

21

Yes

59

20

Crypto

1

No

No

MFS/SE

F

No ED, no SE

NA

NC

No

NA

No

82

21

Crypto

7

DWI restriction. FLAIR-hyperintensities left hippocampus

No

MFS/SE

F

Few, multifocal ED

F

Repetitive GTCS

Yes

17

No

22

Anti-GABAA receptor encephalitis

0

N

FLAIR-

Hyperintensities temporal, amygdala, hippocampus, gyrus cinguli

Metabolically active amygdala and hippocampus on the left, most likely inflammatory

MFS/SE

T

FS

C

Focal

Yes

19

No

23

Crypto

27

N

No

No

MFS/SE

F

Multifocal periodic ED, no SE

F

Focal

Yes

79

No

531

24

Crypto

28

FLAIR-

hyperintensity, punctiform precentral right

No

MFS/SE

C

No ED, no SE

NA

Repetitive GTCS

Yes

34

Yes

192

25

Crypto

12

No

No

FS/SE

T

Multifocal periodic ED, no SE

TP

Repetitive GTCS

Yes

22

No

  1. AI Autoimmune, C Central; CAS Carotid artery stenosis; CE Contrast enhancement; CJD Creutzfeldt-Jakob disease, CJD Crypto, cryptogenic; DB Delta brushes; ED Epileptic discharges; F Frontal; FC Frontocentral; FS Focal seizures; GTCS Generalized tonico-clonic seizures; LE Leucoencephalopathy; MFS Multifocal seizures; N Normal; NA Not available; NC Nonconvulsive; PO Parietooccipital; O occipital; SE Status epilepticus; T Temporal; TF Temporofrontal; TP Temporoparietal; ↑, Elevated