The Impact of Intracoronary Imaging on PCI Outcomes in Cases Utilising Rotational Atherectomy: An Analysis of 8,417 Rotational Atherectomy Cases from the British Cardiovascular Intervention Society Database
Table 2
Procedural variables by intracoronary imaging use in patients undergoing RA-PCI in England and Wales, 2007−2014.
Variable
All (n = 8417)
No imaging (n = 7138)
Imaging (n = 1279)
value
No. of vessels attempted, ±SD
1.4 ± 0.6
1.3 ± 0.6
1.6 ± 0.8
<0.01
No. of lesions attempted, ±SD
1.6 ± 0.8
1.6 ± 0.8
1.8 ± 0.9
<0.01
No. of chronic total occlusions attempted, ±SD
0.1 ± 0.4
0.1 ± 0.4
0.1 ± 0.4
0.78
CTO, no. (%)
751 (9.3)
643 (9.4)
108 (9)
0.70
No. of restenosis attempted, no. (%)
0 ± 0.2
0 ± 0.2
0 ± 0.2
<0.01
LMS disease pre-PCI, no. (%)
925 (11)
590 (8.3)
335 (26.2)
<0.01
Proximal LAD disease pre-PCI, no. (%)
3533 (42.1)
2836 (39.8)
697 (54.6)
<0.01
Glycoprotein inhibitor, no. (%)
865 (10.8)
682 (10)
183 (15.4)
<0.01
Pressure wire use, no. (%)
311 (3.7)
242 (3.4)
69 (5.4)
<0.01
Laser, no. (%)
199 (2.4)
156 (2.2)
43 (3.4)
0.01
Cutting balloon use, no. (%)
638 (7.6)
512 (7.2)
126 (9.9)
<0.01
Aspiration catheter, no. (%)
63 (0.8)
51 (0.7)
12 (1)
0.35
Emboli protection device, no. (%)
11 (0.1)
10 (0.1)
1 (0.1)
1.00
Intra-aortic balloon pump use, no. (%)
183 (2.2)
139 (2)
44 (3.6)
<0.01
Femoral access, no. (%)
5178 (62.1)
4451 (63)
727 (57.3)
<0.01
No. of stents used, ±SD
2 ± 1.2
2 ± 1.2
2.3 ± 1.3
<0.01
SD: standard deviation; CTO: chronic total occlusion.
