Angiographic characteristics |
Target lesion location |
Left anterior descending |
56.8% (21/37) |
51.4% (19/37) |
0.66 |
Left circumflex |
13.5% (5/37) |
21.6% (8/37) |
Right coronary artery |
29.7% (11/37) |
27.0% (10/37) |
Bifurcation |
40.5% (15/37) |
37.8% (14/37) |
>0.99 |
Moderate/severe tortuosity |
13.5% (5/37) |
21.6% (8/37) |
0.74 |
Chronic total occlusion |
2.7% (1/37) |
5.4% (2/37) |
>0.99 |
B2/C lesion |
100% (37/37) |
100% (37/37) |
>0.99 |
Severe calcification |
100% (37/37) |
97.3% (36/37) |
>0.99 |
Vessel diameter, mm |
3.1±0.5 |
2.9±0.4 |
0.11 |
Lesion length, mm |
23.3±11.5 |
24.8±12.1 |
0.58 |
Diameter stenosis, pre, % |
69.1±10.2 |
70.6±10.7 |
0.53 |
Minimal lumen diameter, pre, mm |
0.85±0.36 |
0.82±0.33 |
0.12 |
Procedural characteristics |
Guiding catheter |
6 Fr |
43.2% (16/37) |
41.7% (15/37) |
>0.99 |
7 Fr |
51.4% (19/37) |
55.6% (20/37) |
Predilation¶
|
Maximal predilation balloon diameter, mm |
3.1±0.4 |
3.0±0.4 |
0.18 |
Maximal predilation balloon pressure, bar |
33.8±6.5 |
17.0±4.0 |
<0.001 |
Large residual dissection (>5 mm) |
8.1% (3/37) |
13.5% (5/37) |
0.71 |
Stent/lesion |
1.5±0.8 |
1.6±0.7 |
0.88 |
Total stent length, mm |
39.6±18.0 |
41.0±21.5 |
0.75 |
Minimal stent diameter, mm |
3.2±0.5 |
3.1±0.5 |
0.38 |
Maximal stent diameter, mm |
3.4±0.5 |
3.2±0.4 |
0.24 |
Maximal stent implantation pressure, bar |
16.5±3.5 |
16.1±2.9 |
0.62 |
Post-dilation |
78.4% (29/37) |
83.8% (31/37) |
0.77 |
Maximal post-dilation balloon diameter, mm |
3.7±0.5 |
3.4±0.6 |
0.11 |
Maximal post-dilation balloon pressure, bar |
21.3±7.9 |
19.9±3.8 |
0.38 |
Diameter stenosis, post, % |
11.6±4.8 |
14.4±5.6 |
0.02 |
Minimal lumen diameter, post, mm |
2.83±0.34 |
2.65±0.36 |
0.03 |
Acute lumen gain, mm |
1.89±0.42 |
1.83±0.45 |
0.60 |
Compromised side branch |
13.5% (5/37) |
13.5% (5/37) |
>0.99 |
Values are n (%) or mean±standard deviation. *As adjudicated by the angiographic core laboratory. ¶ Study device. |