Characteristic | Distal (snuffbox) (n=89) | Proximal (wrist) (n=117) | P value |
Sex | |||
Female | 58 (65) | 69 (59) | 0.39 |
Age, years | 55±16 | 57±18 | 0.10 |
Procedure | 0.23 | ||
Diagnostic/vasospasm | 70 (78) | 78 (67) | |
Primary coil embolization of aneurysm | 7 (8) | 12 (10) | |
Flow-diverter device, stent for aneurysm | 4 (5) | 12 (10) | |
Thrombectomy, thrombolysis, carotid artery stent, stent for atherosclerosis/stroke | 2 (2) | 7 (6) | |
Embolization other than aneurysm | 6 (7) | 6 (5) | |
Other treatment | 0 (0) | 2 (2) | |
Pathology | 0.29 | ||
Normal | 17 (19) | 24 (21) | |
Arteriovenous malformation/dural arteriovenous fistula | 19 (21) | 17 (15) | |
Aneurysm | 40 (45) | 46 (39) | |
Acute stroke | 0 (0) | 2 (2) | |
Athesclerosis/chronic occlusion | 6 (7) | 14 (12) | |
Tumor | 2 (2) | 1 (1) | |
Vasospasm | 1 (1) | 7 (6) | |
Other | 4 (5) | 6 (5) | |
Sheath size, F | 0.04 | ||
5 | 70 (79) | 69 (59) | |
6 | 18 (20) | 44 (38) | |
7 | 1 (1) | 3 (3) | |
8 | 0 (0) | 1 (1) | |
Catheter size, F | 0.02 | ||
5 | 72 (81) | 73 (62) | |
6 | 16 (18) | 43 (37) | |
7 | 1 (1) | 0 (0) | |
8 | 0 (0) | 1 (1) | |
Total complications | 1 (1) | 3 (3) | 0.64 |
Total minor complications | 1 (1) | 2 (2) | >0.99 |
Total major complications | 0 (0) | 1 (1) | >0.99 |
Total contrast (mL) | 113±58 | 124±60 | 0.23 |
Fluoroscopy time (min) | 19±13 | 24±21 | 0.045 |
Diagnostic/vasospasm fluoroscopy time (min) | 14±7 | 16±9 | 0.10 |
Diagnostic/vasospasm total contrast (mL) | 103±55 | 108±56 | 0.61 |
Access site crossover* | 1 (1) (n=90) | 3 (3) (n=120) | 0.48 |
Data are presented as mean±SD or number (%).
*Crossover from distal to proximal TRA or from proximal to distal TRA.