Table 4.
Comparison of the results of primary percutaneous intervention among three groups of patients with different coronary artery dominancy
| Variable | Category | Right dominant | Left dominant | Co-dominant | P |
|---|---|---|---|---|---|
| Culprit vessel | Left main | 1 | 0 | 0 | 0.594* |
| Left anterior descending | 21 | 17 | 8 | ||
| Left circumflex artery | 5 | 4 | 4 | ||
| Right coronary artery | 17 | 4 | 5 | ||
| Ramus intermedius | 1 | 0 | 0 | ||
| Diagonal | 0 | 0 | 1 | ||
| Obtuse marginal | 4 | 7 | 3 | ||
| Left anterior descending + right coronary artery | 1 | 0 | 0 | ||
| Left anterior descending + ramus intermedius | 0 | 1 | 0 | ||
| Saphenous vein graft | 4 | 1 | 1 | ||
| PCI results | Successful | 54 | 33 | 21 | 0.341* |
| Failed | 0 | 1 | 1 | ||
| TIMI after PCI | 0 | 0 | 0 | 1 | 0.006* |
| 1 | 0 | 1 | 0 | ||
| 2 | 0 | 4 | 5 | ||
| 3 | 54 | 29 | 16 | ||
| PCI complications | No reflow | 0 | 0 | 1 | 0.110* |
| Rupture | 0 | 1 | 0 | ||
| Dissection | 0 | 0 | 1 | ||
| Need to urgent surgery | 0 | 0 | 1 | 0.133* | |
| Stent size (mm), median | 22.83 | 24.36 | 23.95 | 0.674† | |
| Stent type | Drug-eluting stent | 52 | 30 | 21 | 0.810* |
| Bare metal stent | 2 | 0 | 1 | ||
| Double stent | 13 | 6 | 4 | 0.066* | |
| Triple stent | 5 | 2 | 0 | 0.054* | |
| Door to balloon (min) | 63.05 | 169.05 | 51.71 | 0.099† |
*The results of Chi-square test; †The results of One way ANOVA. PCI=Percutaneous intervention; TIMI=Thrombolysis in myocardial infarction