Normal anatomy

High bifurcations

RA loops

Tortuous RA

Other anomalies

Patients, (n)

1321

108

35

30

39

Women (%)

28

29Ɨ

49ǂ

50ǂ

33Ɨ

Age (years), mean (SD)

63.0(11.0)

65.5(10.8)Ɨ

69.8(10.4)§

72.2(7.7)§

65.1(11.8)Ɨ

Procedural duration (min), mean (SD)

41.3(21.5)

45.2(23.2)Ɨ

49.4(17.1)Ɨ

41.0(12.7)Ɨ

42.1(19.2)Ɨ

Fluoroscopy time (min), mean (SD)

9.7(8.0)

9.3(6.5)Ɨ

10.0(6.6)Ɨ

10.7(6.5)Ɨ

9.6(7.1)Ɨ

Failures (%)**

0.9

4.6Ɨ

37.1§

23.3¶

12.9%Ɨ