Table 1. Pre-procedural data (n=40).

Procedure route
TRA	28 (70%)
TRA + TFA	2 (5%)
TBA	8 (20%)
TBA + TFA	2 (5%)
Reason for non-TFA
Tortuous vascular system	23 (57.5%)
Tight stenosis close to aortic arch	4 (10%)
Need of rendezvous approach	4 (10%)
Aortic dissection	3 (7.5%)
Bilateral iliac occlusions	3 (7.5%)
Operator's preference	2 (5%)
Reversed ostial direction	1 (2.5%)
Category of Intervention
Stent placement	18 (45%)
Aneurysm embolization	16 (40%)
Preoperative tumor embolization	3 (7.5%)
Mechanical thrombectomy	2 (5%)
dAVF embolization	1 (2.5%)

TRA, transradial approach; TFA, transfemoral approach; TBA, transbrachial approach; dAVF, dural arteriovenous fistulae