Table 2.
Background: Acute Electroencephalogram (EEG) + Follow-up EEG.
| Patient | Symmetry | Posterior dominant rhythm | Background EEG frequency | Antero-posterior gradient | Variability | Reactivity | Longitudinal bipolar voltage (µV). Referential voltage (µV) | Stage II sleep transients (min sleep/min recording) | Continuity | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1a | 1st EEG Day 0 | Symmetric | Absent | Theta–Delta | Absent | Absent | Absent | Bipolar: low (15 µV) Referential: low (16 µV) | / | Continuous |
| 2nd EEG. + 51 d | Symmetric | Present | Alpha | Present | Present | Present | Bipolar: normal (24 µV) Referential: normal (26 µV) | / | Continuous | |
| 2 | 1st EEG Day 0 | Symmetric | Absent | Theta–Delta | Absent | Present | Unclear | Bipolar: suppressed (7 µV) Referential: suppressed (7 µV) | Present but abnormal (15/23) | Continuous |
| 2nd EEG. + 46 d | Symmetric | Present | Alpha (10 Hz) | Present | Present | Present | Bipolar: normal (90 µV) Referential: normal (117 µV) | / | Continuous | |
| 3 | 1st EEG | Symmetric | Absent | Isoelectric | Absent | Absent | Absent | Bipolar: suppressed (3 µV) Referential: suppressed (4 µV) | / | Continuous |
| 4 | 1st EEG Day 0 | Symmetric | Absent | Theta–Delta | Absent | Present | Absent | Bipolar: low (12 µV) Referential: low (16 µV) | Absent (10/30) | Continuous |
| 2nd EEG + 12 | Symmetric | Absent | Theta (7 Hz) | Present | Present | Unclear | Bipolar: normal (34 µV) Referential: normal (41 µV) | / | Continuous | |
| 3rd EEG + 14 | Symmetric | Absent | Theta (7-8 Hz) | Present | Present | Unclear | Bipolar: normal (35 µV) Referential: normal (31 µV) | / | Continuous | |
| 5 | 1st EEG Day 0 | Symmetric | Absent | Theta–Delta | Absent | Present | Absent | Bipolar: low (14 µV) Referential: low (16 µV) | / | Continuous |
| 2nd EEG + 18 | Symmetric | Present | Theta (7 Hz) | Present | Present | Present | Bipolar: normal (25 µV) Referential: normal (26 µV) | Present but abnormal (5/23) | Continuous | |
| 6 | 1st EEG Day 0 | Symmetric | Absent | Theta | Absent | Present | Absent | Bipolar: low (18 µV) Referential: low (19 µV) | Absent (5/20) | Continuous |
| 2nd EEG + 10 | Symmetric | Present | Theta (6-7 Hz) | Present | Present | Present | Bipolar: normal (30 µV) Referential: normal (27 µV) | Absent (6/20) | Continuous | |
| 3rd EEG + 17 | Symmetric | Present | Theta (6-7 Hz) | Present | Present | Present | Bipolar: normal (30 µV) Referential: normal (27 µV) | / | Continuous | |
| 7 | 1st EEG Day 0 | Symmetric | Absent | ≥Alpha | Absent | Absent | Absent | Bipolar: low (14 µV) Referential: low (17 µV) | / | Continuous |
| 2nd EEG + 8 | Symmetric | Present | Alpha (8-9 Hz) | Present | Present | Present | Bipolar: normal (27 µV) Referential: normal (28 µV) | / | Continuous | |
| 8 | 1st EEG Day 0 | Symmetric | Absent | Theta–Delta | Absent | Present | Absent | Bipolar: low (11 µV) Referential: low (14 µV) | / | Continuous |
| 2nd EEG + 19 | Symmetric | Absent | Theta (7 Hz) | Absent | Present | Absent | Bipolar: normal (20 µV) Referential: normal (23 µV) | / | Continuous | |
| 9 | 1st EEG Day 0 | Symmetric | Absent | Theta (7 Hz) | Present | Present | Unclear | Bipolar: low (13 µV) Referential: low (17 µV) | Absent (7/24) | Continuous |
| 2nd EEG + 25 | Symmetric | Present | Alpha (9-10 Hz) | Present | Present | Present | Bipolar: normal (29 µV) Referential: normal (33 µV) | / | Continuous | |
| 10 | 1st EEG Day 0 | Symmetric | Absent | Theta–Delta | Absent | Present | Absent | Bipolar: suppressed (7 µV) Referential: suppressed (8 µV) | / | Continuous |
| 2nd EEG + 16 | Symmetric | Present | Alpha (8 Hz) | Present | Present | Present | Bipolar: normal (27 µV) Referential: normal (26 µV) | Absent (10/27) | Continuous | |
| 11 | 1st EEG | Symmetric | Absent | Theta–Delta | Absent | Present | Absent | Bipolar: suppressed (5 µV) Referential: suppressed (7 µV) | / | Burst-suppression |
| 12 | 1st EEG | Symmetric | Absent | Theta–Delta | Absent | Absent | Absent | Bipolar: low (13 µV) Referential: low (18 µV) | / | Continuous |
| 13 | 1st EEG Day 0 | Symmetric | Absent | Theta (7 Hz) | Present | Present | Absent | Bipolar: normal (20 µV) Referential: normal (22 µV) | Absent (9/23) | Continuous |
| 2nd EEG + 14 | Symmetric | Present | Alpha (9 Hz) | Present | Present | Present | Bipolar: normal (40 µV) Referential: normal (32 µV) | / | Continuous | |
| 14 | 1st EEG | Symmetric | Absent | Theta–Delta | Absent | Absent | Absent | Bipolar: low (13 µV) Referential: low (18 µV) | / | Continuous |
| 2nd EEG + 11 | Symmetric | Absent | Theta-Delta | Absent | Absent | Absent | Bipolar: low (15 µV) Referential: low (19 µV) | / | Continuous | |
| 3rd EEG + 17 | Symmetric | Absent | Theta–Delta | Absent | Absent | Unclear | Bipolar: low (15 µV) Referential: low (19 µV) | Absent (17/21) | Continuous | |
| 15a | 1st EEG | Symmetric | Absent | Theta–Delta | Absent | Present | Absent | Bipolar: low (19 µV) Referential: low (19 µV) | / | Continuous |
Breach effect absent in all of them.
a
After antiepileptic: no changes.