Table 2.
Comparison of the angiographic data of all the cases according to thrombus burden
| High Thrombus Burden (n=154) |
Low Thrombus Burden (n=103) |
P | |
|---|---|---|---|
| Infarct-Related Artery | 0.824 | ||
| LAD | 70 (45.4) | 49 (47.6) | |
| Cx | 32 (20.8) | 23 (22.3) | |
| RCA | 52 (33.8) | 31 (30.1) | |
| Number of Diseased Vessels | 0.418 | ||
| Single-vessel | 98 (68.0) | 78 (75.0) | |
| Double-vessel | 25 (17.4) | 16 (15.4) | |
| Triple-vessel | 21 (14.6) | 10 (9.6) | |
| IRA vessel diameter (4 mm) | 13 (8.4) | 7 (6.8) | 0.813 |
| IRA lesion length, (mm) | 26 (20-36) | 24 (20-30) | 0.236 |
| Pain-to-balloon time, (min) | 300 (180-480) | 185 (130-360) | 0.014 |
| Door-to-balloon time, (min) | 45 (40-60) | 40 (30-60) | 0.032 |
| Killip class II-IV | 49 (31.8) | 20 (19.4) | 0.027 |
| Postprocedural TIMI flow III | 134 (87.0) | 99 (96.1) | 0.014 |
| TMPG II | 72 (46.8) | 72 (69.9) | <0.001 |
| Procedure | <0.001 | ||
| Direct stenting | 12 (7.8) | 41 (39.8) | |
| PTCA+stenting | 137 (88.9) | 60 (58.3) | |
| Only PTCA | 5 (3.3) | 2 (1.9) | |
| IRA cTFC, (frames/second) | 18 (14-30) | 12 (11-13) | <0.001 |
| 70% ST resolution in ECG | 79 (51.3) | 95 (92.2) | <0.001 |
| Distal embolization | 7 (4.6) | 0 (0.0) | 0.044 |
| No-reflow | 20 (13.0) | 4 (3.9) | 0.014 |
Data are presented as median (IQ25% –75% ), or n (%)
LAD, Left anterior descending; Cx, Circumflex artery; RCA, Right coronary artery; IRA, Infarct-related artery; TIMI, Thrombolysis in myocardial infarction; TMPG, TIMI myocardial perfusion grade; PTCA, Percutaneous transluminal coronary angioplasty; cTFC, Corrected TIMI frame count; ECG, Electrocardiography