Table 3.
Descriptive data of brain abnormalities divided by surgical stage
| Brain Abnormality, N (%) | Pre-BDG | BDG | Fontan | Total |
|---|---|---|---|---|
| Nonacute Ischemic T2 Changes | ||||
| No | 57 (93) | 70 (62) | 37 (70) | 164 (72) |
| Yes | 4 (7) | 43 (38) | 16 (30) | 63 (29) |
|
Acute Ischemic Changes DWI/ADC |
||||
| No | 60 (99) | 112 (99) | 53 (100) | 225 (99) |
| Yes | 2 (3) | 1 (1) | 0 (0) | 3 (1) |
| PVL | ||||
| No | 52 (84) | 65 (59) | 39 (72) | 156 (69) |
| Yes | 10 (16) | 46 (41) | 15 (28) | 71 (31) |
| Generalized Atrophy | ||||
| No | 61 (98) | 102 (90) | 49 (91) | 212 (92) |
| Borderline | 1 (2) | 6 (5) | 3 (6) | 10 (4) |
| Yes | 0 (0) | 6 (5) | 2 (4) | 8 (4) |
| Focal Tissue Loss & Atrophy | ||||
| No | 58 (94) | 87 (78) | 44 (82) | 189 (83) |
| Yes | 4 (7) | 24 (22) | 10 (19) | 38 (17) |
| Ventriculomegaly | ||||
| No | 47 (76) | 73 (64) | 33 (62) | 153 (67) |
| Borderline | 12 (19) | 22 (19) | 13 (25) | 47 (21) |
| Yes | 3 (5) | 19 (17) | 7 (13) | 29 (13) |
| SWI veins | ||||
| Normal | 1 (2) | 25 (22) | 29 (54) | 55 (24) |
| Borderline | 5 (8) | 58 (51) | 17 (32) | 80 (35) |
| Prominent | 55 (90) | 30 (27) | 8 (15) | 93 (41) |
| Choroid Plexus Susceptibility | ||||
| No | 5 (8) | 43 (38) | 44 (81) | 92 (40) |
| Yes | 56 (92) | 70 (62) | 10 (19) | 136 (60) |
| Delayed Myelination | ||||
| No | 60 (97) | 110 (99) | 53 (98) | 223 (98) |
| Yes | 2 (3) | 1 (1) | 1 (2) | 4 (2) |
|
Intracranial Hemorrhage – Gross (Acute or Chronic) |
||||
| No | 54 (87) | 107 (95) | 49 (93) | 210 (92) |
| Yes | 8 (13) | 6 (5) | 4 (8) | 18 (8) |
|
Developmental Defect (Malformation) |
||||
| No | 59 (95) | 107 (95) | 51 (94) | 217 (95) |
| Yes | 3 (5) | 6 (5) | 3 (6) | 12 (5) |
| Intraventricular Hemorrhage | ||||
| No | 58 (97) | 112 (98) | 53 (98) | 223 (98) |
| Yes | 2 (3) | 2 (2) | 1 (2) | 5 (2) |
| Operculum | ||||
| Closed | 30 (49) | 107 (95) | 51 (94) | 188 (83) |
| Open | 31 (51) | 6 (5) | 3 (6) | 40 (18) |