Table 2.
Percutaneous intervention findings of patients with insufficient reperfusion and sufficient reperfusion.
| Parameters | Group I (n = 31) | Group II (n = 171) | P value |
|---|---|---|---|
| Time from symptom to PCI (hour) | 6.2 ± 2.3 | 4.7 ± 2.3 | 0.000∗ |
| Time from symptom to PCI (≧4.8 hours) | 26 (83.9) | 70 (40.9) | 0.000∗ |
| Initial TIMI flow grade, n (%) | 0.107 | ||
| 0-1 | 28 (90.3) | 166 (97.1) | |
| ≥2 | 3 (9.7) | 5 (2.9) | |
| Multiple stents, n (%) | 0.746 | ||
| Yes | 8 (25.8) | 49 (28.7) | |
| No | 23 (74.2) | 122 (71.3) | |
| Multivessel disease, n (%) | 0.038† | ||
| Yes | 13 (41.9) | 41 (24.0) | |
| No | 18 (58.1) | 130 (76.0) | |
| IRA, n (%) | 0.183 | ||
| LAD | 10 (32.3) | 71 (41.5) | |
| LCX | 6 (19.4) | 15 (8.8) | |
| RCA | 15 (48.4) | 85 (49.7) | |
| Infarct location, n (%) | 0.363 | ||
| Anterior wall | 10 (32.3) | 70 (40.9) | |
| Nonanterior wall | 21 (67.7) | 101 (59.1) | |
| Initial degree of luminal stenosis (%) | 94.60 ± 17.63 | 98.10 ± 8.58 | 0.288 |
| Initial cTFC | 91.4 ± 22.8 | 94.3 ± 19.3 | 0.420 |
| Initial cTFC > 40, n (%) | 27 (87.1) | 160 (94.1) | 0.239 |
| Degree of postaspiration luminal stenosis (%) | 64.40 ± 22.94 | 67.66 ± 13.64 | 0.448 |
| Postaspiration TIMI 0, n (%) | 5 (16.1) | 5 (2.9) | 0.009∗ |
| Postaspiration cTFC | 55.5 ± 24.7 | 30.4 ± 17.0 | 0.000∗ |
| Postaspiration cTFC > 40, n (%) | 21 (67.7) | 29 (17.0) | 0.000∗ |
| GP IIb/IIIa inhibitor upfront used | |||
| Intracoronary GPII b/IIIa inhibitor, n (%) | 2 (6.5) | 15 (8.8) | 1.000 |
| Intravenous GP IIb/IIIa inhibitor, n (%) | 4 (12.9) | 25 (14.6) | 1.000 |
∗ P < 0.01, † P < 0.05; IRA, infarct-related artery; LAD, left anterior descending; LCX, left circumflex artery; RCA, right coronary artery.