EES (N = 500) | R-ZES (N = 366) | P value | |
---|---|---|---|
Before index procedure | |||
Target vessel location | 0.509 | ||
Left main | 32 (6.4%) | 11 (3.0%) | |
LAD | 252 (50.4%) | 168 (45.9%) | |
LCX | 109 (21.8%) | 95 (26.0%) | |
RCA | 135 (27.0%) | 100 (27.3%) | |
Type B2 or C lesions† | 315 (63.0%) | 227 (62.0%) | 0.769 |
In-stent restenosis | 39 (7.8%) | 15 (4.1%) | 0.032 |
Chronic total occlusion | 14 (2.8%) | 20 (5.5%) | 0.052 |
Bifurcation‡ | 31 (6.2%) | 31 (8.5%) | 0.201 |
Small vessel§ | 169 (33.8%) | 167 (45.6%) | 0.001 |
Long lesion¶ | 102 (20.4%) | 69 (18.9%) | 0.572 |
Lesion length, mm | 20.63 ± 9.89 | 21.10 ± 10.32 | 0.530 |
Reference diameter, mm | 2.90 ± 0.59 | 2.79 ± 0.58 | 0.012 |
Minimum lumen diameter, mm | 0.75 ± 0.49 | 0.72 ± 0.51 | 0.352 |
Percent stenosis, % | 79.60 ± 15.35 | 78.03 ± 17.05 | 0.162 |
After index procedure | |||
Number of stents/lesion | 1.23 ± 0.47 | 1.20 ± 0.43 | 0.226 |
Total stent length/lesion, mm | 27.83 ± 13.33 | 28.16 ± 12.55 | 0.717 |
Pressure deployment, atm | 15.02 ± 5.94 | 15.12 ± 4.74 | 0.783 |
Mean stent diameter/lesion, mm | 3.11 ± 0.45 | 2.91 ± 0.40 | < 0.001 |
Minimum lumen diameter, mm | |||
In-stent | 2.61 ± 0.47 | 2.51 ± 0.43 | 0.001 |
In-segment | 2.60 ± 0.48 | 2.49 ± 0.45 | 0.001 |
Percent stenosis, % | |||
In-stent | 12.85 ± 7.00 | 11.71 ± 7.11 | 0.019 |
In-segment | 12.35 ± 7.32 | 11.38 ± 7.58 | 0.063 |
Acute gain, mm | |||
In-stent | 1.88 ± 0.61 | 1.80 ± 0.55 | 0.094 |
In-segment | 1.86 ± 0.63 | 1.79 ± 0.57 | 0.128 |