Total time taken, min | – | 18.1/6.9 | Analysis (Looi et al)5 | Not significant |
Total fluoroscopy time, min | – | 04.0/2.7 | Analysis (Looi et al)5 | Not significant |
Total time stratified on experience, in | – | | | |
1st quintile | | 29.3/1.1 | 6th quintile | p<0.001 |
2nd quintile | | 24.6/1.6 | 6th quintile | p<0.001 |
3rd quintile | | 15.8/1.9 | 6th quintile | |
4th quintile | | 12.8/0.5 | 6th quintile | |
5th quintile | | 11.4/0.5 | 6th quintile | |
6th quintile | | 10.2/0.5 | | |
Fluoro time stratified on experience, in | – | | | |
1st quintile | | 9.3/0.5 | 6th quintile | p<0.001 |
2nd quintile | | 7.4/0.5 | 6th quintile | p<0.001 |
3rd quintile | | 5.2/0.8 | 6th quintile | |
4th quintile | | 2.5/0.5 | 6th quintile | |
5th quintile | | 2.2/0.4 | 6th quintile | |
6th quintile | | | | |
Number of coronary angiogram catheters needed, mode | – | | – | – |
1st quintile | | 4 | | |
2nd quintile | | 2 | | |
3rd quintile | | 2 | | |
4th quintile | | 1 | | |
5th quintile | | 1 | | |
6th quintile | | 1 | | |
Angle of aberrant artery with aorta, degrees | – | 45/5.0 | Total time and fluoro time | p>0.05 |
Associated sites of tortuosity | | – | – | |
Forearm (n=9), % | 14.8 | | | p>0.05 |
Unwinding of aorta (n=6), % | 09.8 | | | p>0.05 |
Procedural complications (%) | | – | – | – |
Vasospasm (n=12) | 38.7 | | | OR was significant for minor bleeds and vasospasm (p<0.05) |
Major bleeds (n=0) | – | | |
Minor bleeds (n=7) | 22.5 | | |
Volkmann's ischaemia (n=3) | 9.6 | | |