Pre- and postoperative radiologic characteristics
| Pediatric Hemispheres (n = 41) | Adult Hemispheres (n = 34) | |
|---|---|---|
| Preoperative Suzuki stage (No.) (%) | ||
| I | 1 (2) | 0 (0) |
| II | 7 (17) | 5 (15) |
| III | 18 (44) | 11 (32) |
| IV | 12 (29) | 10 (29) |
| V | 3 (7) | 3 (9) |
| VI | 0 (0) | 5 (15) |
| Preoperative TTP score (points) (mean) | 7.34 ± 3.90 | 4.88 ± 3.24 |
| Additional EPS (No.) (%) | 15 (36) | 30 (88) |
| Periprocedural infarction (No.) (%) | 0 (0) | 3 (9) |
| Duration of follow-up (mean) (mo) | 38.00 ± 16.57 | 29.85 ± 5.11 |
| Progressive PCA disease (No.) (%) | 3 (7) | 0 (0) |
| Recurrent stroke during follow-up (No.) (%)a | 3 (7) | 0 (0) |
Note:—PCA indicates posterior cerebral artery.
↵a Between 2 operations: 2 on the nonoperated side, 1 in the PCA territory on the operated side.