Table 1. Patient characteristics by initial access site for treatment.
| Characteristics | Radial access*(n = 222) | Femoral access*(n = 77) |
|---|---|---|
| Number of male patients (%) | 131 (59.0) | 36 (46.8) |
| Median Age in years (range) | 74 (62–81) | 75 (62–84) |
| Puncture site (%) | ||
| Conventional radial artery | 83 (37.4) | N/A |
| Snuff box | 139 (62.6) | N/A |
| Diseases and procedure (%) | ||
| Aneurysm | ||
| Coil embolization | 55 (25.2) | 21 (27.3) |
| Flow diverter stent | 0 | 1 (1.3) |
| Carotid artery stenting or angioplasty | 49 (22.1) | 11 (14.3) |
| Mechanical thrombectomy for AIS | 58 (26.1) | 26 (33.8) |
| Others | ||
| MMA embolization for CSDH | 33 (14.9) | 4 (5.2) |
| Embolization for tumor | 19 (8.6) | 1 (1.3) |
| AVM or dAVF embolization (TAE) | 5 (2.3) | 4 (5.2) |
| Symptomatic vasospasm after SAH | 3 (0.9) | 9 (11.7) |
| Target vessels (%) | ||
| Right anterior circulation | 92 (41.4) | 20 (26.0) |
| Left anterior circulation | 102 (45.9) | 52 (67.5) |
| Posterior circulation | 28 (12.6) | 5 (6.5) |
| Guide catheters (%) | ||
| 9F balloon GC | 0 | 14 (18.2) |
| 8F | 89 (40.0) | 37 (48.1) |
| Straight GC/ Ballon GC | 42 (18.9)/47 (21.2) | 27 (35.1)/10 (13.0) |
| 7F | 55 (24.8) | 7 (9.1) |
| 6F | 55 (24.8) | 12 (15.6) |
| 5F | 23 (10.4) | 4 (5.2) |
| 4F diagnostic catheter | 0 | 3 (3.9) |
*The first approach selected.
AIS: acute ischemic stroke; AVF: arteriovenous fistula; AVM: arteriovenous malformation; CSDH: chronic subdural hematoma; GC: guide catheter; MMA: middle meningeal artery; SAH: subarachnoid arachnoid hemorrhage; TAE: transarterial embolization