Table 1. Complications of transradial access and their incidence.

Intra-procedural	Incidence
Radial artery spasm (RAS) and equipment entrapment	~5% (severe 2.7%, entrapment <1%)
Radial artery perforation/dissection	<1%
Catheter kinks	<1%
Vasovagal events	6%
Post-procedural
Access-site haematoma	2.6%
Compartment syndrome	0.004%
Radial artery occlusion without adverse sequelae	1–33%
Pseudoaneurysm	0.06%
Arteriovenous fistulae	<0.01%