Author Patient population Radial artery loop Tortusous radial artery n (%) High radial take-off Radial or ulnar stenosis
Toshiharu Fujii8 163 2 (1.2) 25 (15.3) 8 (4.9) 4 (2.5)
Lo TS9 1540 35 (2.3) 30 (2) 35 (2.3) 39 (2.5)
Nie Bin10 3000 33 (1.1) 150 (5) 231 (7.7) 43 (1.4)
Yoo BS11 1191 16 (1.3) 67 (4.2) 38 (3.2) no data
N. Yokoyama12 115 1 (0.9) 6 (5.2) 0 2 (1.7)
Table 1: Anatomic variations of the radial artery.