Baseline patient and aneurysm characteristics
| Characteristic | Frequency |
| Demographics, n=101 | |
| Age, median (IQR) | 59 (52–69) |
| Female, n (%) | 81 (80.1) |
| Baseline mRS (median, IQR) | 0 (0–0) |
| Medical history, n (%), | |
| Hypertension | 44 (43.5) |
| Hyperlipidemia | 21 (20.8) |
| Diabetes mellitus | 6 (6.0) |
| Smoking history | 43 (43.5) |
| Aneurysms treated | 115 |
| Previously coiled | 18 (15.6) |
| Aneurysm characteristics, median (range) | |
| Aneurysm size (mm) | 5.0 (2–30) |
| Neck width (mm) | 3.0 (1.7–8) |
| Aneurysm size (n, %) | |
| Small (<10 mm) | 96 (83.4%) |
| Large (10–25 mm) | 18 (15.6%) |
| Giant (>25 mm) | 1 (0.8%) |
| Aneurysm location, n (%) | |
| Anterior circulation | 104 (90.4) |
| Posterior circulation | 11 (9.6) |
| Aneurysm specific location, n (%) | |
| ICA – cervical segment | 4 (3.5) |
| ICA – cavernous segment | 7 (6.1) |
| ICA – paraophthalmic | 26 (22.6) |
| ICA – posterior communicating | 10 (8.7) |
| ICA – anterior choroidal | 2 (1.7) |
| ICA – supraclinoid | 9 (7.8) |
| ICA – terminus | 1 (1.0) |
| Middle cerebral artery – M1 | 6 (5.2) |
| Middle cerebral artery – bifurcation | 19 (16.5) |
| Anterior cerebral artery – A2/A3 segment | 4 (3.4) |
| Anterior communicating artery (A1 and A2) | 16 (14.0) |
| BA and P1 PCA segment | 9 (7.8) |
| Vertebral artery at PICA origin | 2 (1.7) |
| Vascular access, n (%) | |
| Right transfemoral* | 52 (51.4) |
| Right distal radial | 30 (29.7) |
| Right transradial | 14 (13.8) |
| Right transulnar | 4 (4.0) |
| Left transradial | 1 (1.0) |
| Conversion radial to femoral | 6 (6.0) |
| Access system, n (%) | |
| Biaxial access system | 90 (89.1) |
| Triaxial access system | 11 (10.9) |
| Pipeline Vantage Flow Diverter used, n | 124 |
| Successful device deployment (without angioplasty), n (%) | 97 (96) |
| Successful device deployment (with angioplasty), n (%) | 4 (4) |
| Median procedure time, range (min) | 102 (27–216) |
| Number of Pipeline devices per patient | 1.2 |
| Adjunctive devices used, n (%) | |
| Coil embolization | 22 (19.1) |
| Robotic assisted coiling | 15 (13.0) |
| In-stent balloon angioplasty | 4 (4.0) |
*Inclusive of 6 transradial approach conversion to transfemoral approach.
BA, basilar artery; ICA, internal carotid artery; mRS, modified Rankin Scale; PCA, posterior cerebral artery; PICA, posterior inferior cerebellar artery.