Table 2 Angiographic data and primary PCI procedure of the overall population
Variables | Suboptimal flow (n = 245) | Optimal flow (n = 859) | P value |
|---|---|---|---|
Left main involvement, n (%) | 29 (11.8) | 72 (8.4) | 0.098 |
Number of diseased vessels, n (%) | |||
One | 73 (29.8) | 263 (30.6) | |
Two | 97 (39.6) | 309 (36.0) | 0.555 |
Three | 75 (30.6) | 287 (33.4) | |
LAD lesion location, n (%) | |||
Proximal | 194 (79.2) | 624 (72.6) | |
Mid | 47 (19.2) | 226 (26.3) | 0.062 |
Distal | 4 (1.6) | 9 (1.0) | |
Thrombus burden grade 4, n (%) | 79 (32.2) | 123 (14.3) | < 0.001 |
Moderate/severe calcification, n (%) | 28 (11.4) | 85 (9.9) | 0.485 |
Initial TIMI ≤1, n (%) | 208 (84.9) | 572 (66.6) | < 0.001 |
Approach, n (%) | |||
Radial | 232 (94.7) | 825 (96.0) | 0.357 |
Femoral | 13 (5.3) | 34 (4.0) | |
Stents, n (%) | |||
PTCA | 3 (1.2) | 23 (2.7) | |
One | 135 (55.1) | 555 (64.6) | 0.006 |
Two | 98 (40.0) | 266 (31.0) | |
Three | 9 (3.7) | 15 (1.7) | |
Total Stent length, mm | 40.7 ± 17.2 | 35.7 ± 14.2 | < 0.001 |
Mean stent diameter, mm | 3.02 ± 0.5 | 2.94 ± 0.6 | 0.067 |
Bifurcation stenting, n (%) | 2 (0.8) | 3 (0.3) | 0.337 |
P2Y12 inhibitor, n (%) | |||
Clopidogrel | 180 (73.5) | 607 (70.7) | 0.392 |
Ticagrelor | 65 (26.5) | 252 (29.3) | |
Thrombus Aspiration, n (%) | 78 (31.8) | 193 (22.5) | 0.003 |
IABP, n (%) | 37 (15.1) | 63 (7.3) | < 0.001 |