Demography, aneurysms types, clinical outcome and complications
| Case No | Aneurysm location | Aneurysm type | No PEDs | mRS prior | mRS discharge | mRS 3 months | mRS 6 months | Intraprocedural complications (management/outcome) | Postprocedural events (asymptomatic/ symptomatic minor or major) | Intrastent stenosis at DSA follow-up |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | M1 R | Saccular | 1 | 0 | 0 | 0 | 0 | None | None | No |
| 2 | M1 R | Saccular | 1 | 0 | 0 | 0 | 0 | None | None | No |
| 3 | M1 R | Fusiform | 1 | 0 | 0 | 0 | 0 | None | None | 40% asymptomatic |
| 4 | MCA B L | Saccular | 2 | 0 | 0 | 0 | 0 | Acute branch occlusion related to hypotension, resolved (increasing arterial pressure) | None | 30% asymptomatic |
| 5 | A1–A2 R | Saccular | 2 | 0 | 0 | 0 | 0 | None | Right parenchymal hypodensity in Heubneŕs artery territory on 24 h CT/asymptomatic | 70% asymptomatic |
| 6 | M1 R | Dissecting | 1 | 0 | 0 | 0 | 0 | None | None | No |
| 7 | MCA B R | Dissecting | 1 | 0 | 0 | 0 | 0 | None | None | No |
| 8 | M1 R | Dissecting | 1 | 0 | 0 | 0 | 0 | None | No | 30% asymptomatic |
| 9 | M1 R | Dissecting | 2 | 0 | 0 | 0 | 0 | None | No | No |
| 10 | Carotid T R | Fusiform | 1 | 0 | 0 | 0 | 0 | None | Postop minor symptomatic embolic stroke/resolved spontaneously 1 day later | No |
| 11 | A1–A2 R | Saccular | 1 | 0 | 5 | 2 | 2 | None | Postop distal multiembolic stroke, ongoing (major clinical event) | No |
| 12 | P1–P2 fetal R | Saccular | 2 | 0 | 0 | 0 | 0 | None | None | No |
| 13 | MCA T L | Saccular | 1 | 0 | 0 | 0 | 0 | None | None | No |
| 14 | M1 R | Saccular | 2 | 0 | 0 | 0 | 0 | Distal perforation, resolved (PVO coil and glue) | Focal SAH on postop CT/asymptomatic | No |
| 15 | M1–M2 R | Fusiform-saccular | 4 | 0 | 0 | 0 | 0 | None | None | 60% symptomatic, resolved with angioplasty |
| 16 | MCA B R | Saccular | 1 | 0 | 0 | 0 | 0 | None | None | 20% asymptomatic |
| 17 | M1 R | Saccular | 1 | 0 | 0 | 0 | 0 | None | None | No |
| 18 | ACOM | Saccular | 1 | 0 | 0 | 0 | 0 | None | None | No |
| 19 | M1 L | Blister-like | 1 | 0 | 0 | 0 | 0 | None | None | No |
| 20 | A1–A2 R | Saccular | 1 | 0 | 0 | 0 | NA | None | Symptomatic occlusion of perforators 2 days after procedure/resolved spontaneously 1 day later | NA |
| 21 | M1 L | Saccular–bi-lobuled | 1 | 0 | 0 | 0 | NA | Slow opacification IT MCA resolved (IA Reopro 5 mg) | None | NA |
| 22 | Pericallosal L | Saccular | 1 | 3 | 3 | 3 | 3 | None | None | No |
| 23 | M1 L | Dissecting | 1 | 0 | 0 | 0 | 0 | None | None | NA |
| 24 | MCA B R | Saccular | 1 | 0 | 0 | 0 | 0 | None | None | NA |
| 25 | MCA B R | Saccular–bi-lobed | 2 | 0 | 0 | 0 | NA | None | None | NA |
ACOM, anterior communicating artery; IA, intra-arterial; L, left; MCA B, middle cerebral artery bifurcation; mRS, modified Rankin Scale; NA, not available; PED, pipeline embolization device; Pericall, pericallosal artery; PVO, parent vessel occlusion; R, right; SAH, subarachnoid hemorrhage.