A transradial approach for cerebral angiography was less effective than the transfemoral route in achieving an accurate diagnostic success rate.

Overall complication rates were similar to those seen with transfemoral access, however, and patients liked it better.

Ultrasound 24 hours after angiography indicated an incidence of radial artery thrombosis of 1.1% in the control group and 4.3% in the protamine treatment group, with no statistically significant ...