Hemodynamic modifications within visible side branches covered by the PED and consequences
| Side Branches | No. of PEDs Implanted | No. of Side Branches | Slow Flow within Side Branches | Transient or Permanent Neurologic Deficitsa | Territorial Ischemic Lesions on MRI | Stenosis at 12-Mo Follow-Up | Occlusion at 12-Mo Follow-Up |
|---|---|---|---|---|---|---|---|
| Ophthalmic artery | 1 | 25 | 3 | 0 | NA | 2 | 1 |
| 2 | 5 | 1 | 0 | NA | 1 | 0 | |
| 3 | 1 | 0 | 0 | NA | 0 | 1 | |
| 4 | 3 | 1 | 0 | NA | 0 | 0 | |
| Anterior choroidal artery | 1 | 11 | 0 | 3 | 0 | 0 | 0 |
| 2 | 1 | 0 | 0 | 0 | 0 | 0 | |
| ACA | 1 | 5 | 5 | 3 | 0 | 5 | 0 |
| Callosomarginal artery | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| MCA | 1 | 5 | 3 | 2 | 1 | 1 | 0 |
| PcomA | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
| PICA | 1 | 5 | 0 | 0 | 0 | 2 | 0 |
| 2 | 1 | 0 | 0 | 0 | 0 | 0 | |
| SCA | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
| PCA | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
| Anterior spinal artery | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Total | 68 | 13 (19.1%) | 8 | 1 | 11 | 2 | |
| Perforators | |||||||
| Sylvian perforators | 1 | 4 | NA | 3 | 1 | NA | NA |
| 2 | 1 | NA | 0 | 0 | NA | NA | |
| BA perforators | 3 | 1 | NA | 0 | 0 | NA | NA |
| 5 | 1 | NA | 0 | 0 | NA | NA | |
| Total | 7 | NA | 3 | 1 | NA | NA |
Note:—SCA indicates superior cerebellar artery; NA, not available; BA, basilar artery; PcomA, posterior communicating artery; PCA, posterior cerebral artery; PICA, posterior inferior cerebellar artery.
↵a Related to the side branch covered.