Table 2.
Baseline angiographic and procedural characteristics according to thrombus burden
| Variable | Low thrombus burden (n = 178) | High thrombus burden (n = 95) | p value |
|---|---|---|---|
| Time from symptom onset to PPCI | 0.773† | ||
| < 3 h (%) | 48 (26.9) | 27 (28.4) | |
| 3-6 h (%) | 66 (37.1) | 38 (40.0) | |
| 6-12 h (%) | 64 (36.0) | 30 (31.6) | |
| Anterior infarct location, n (%) | 95 (53.4) | 48 (50.5) | 0.918† |
| Infarct-related coronary artery, n (%) | 0.788† | ||
| Left main | 0 (0.0) | 0 (0.0) | |
| Left anterior descending | 95 (53.4) | 49 (51.6) | |
| Left circumflex | 22 (12.4) | 12 (12.6) | |
| Right coronary artery | 61 (34.2) | 34 (35.8) | |
| Number of used stent, n | 1.6 ± 0.7 | 1.4 ± 0.7 | 0.106* |
| Total stent length, (mm) | 36.7 ± 19.1 | 36.6 ± 17.6 | 0.164* |
| Stent diameter, (mm) | 3.1 ± 0.4 | 3.2 ± 0.5 | 0.164* |
| Use of thrombus aspiration, n (%) | 18(10.1) | 59 (62.1) | 0.000† |
| Tirofiban use, n (%) | 93 (52.2) | 79 (83.2) | 0.000† |
*
Independent samples t-test;
†
Chi-square test.