Table 4.
Lesion and procedural characteristics in STEMI and NSTEMI from J-PCI registry
| Overall MI | STEMI | NSTEMI | p value | |
|---|---|---|---|---|
| (N = 59,020) | (n = 44,329) | (n = 14,691) | ||
| Lesion characteristics | ||||
| Lesion location: | ||||
| LAD/left main | 31,371 (53.2) | 23,961 (54.1) | 7410 (50.4) | < 0.001 |
| LCX | 11,704 (19.8) | 6625 (14.9) | 5079 (34.6) | < 0.001 |
| RCA | 22,586 (38.3) | 18,194 (41.0) | 4392 (29.9) | < 0.001 |
| Bypass graft | 159 (0.3) | 74 (0.2) | 85 (0.6) | < 0.001 |
| Restenotic lesion | 2824 (4.8) | 1830 (4.1) | 994 (6.8) | < 0.001 |
| Procedure details | ||||
| Approach | < 0.001 | |||
| Transfemoral | 15,425 (26.1) | 12,305 (27.8) | 3120 (21.2) | |
| Transradial | 41,859 (70.9) | 30,831 (69.6) | 11,028 (75.1) | |
| Others (e.g., brachial) | 1736 (2.9) | 1193 (2.7) | 543 (3.7) | |
| Thrombus aspiration | 24,915 (42.2) | 22,042 (49.7) | 2873 (19.6) | < 0.001 |
| Distal protection | 3114 (5.3) | 2638 (6.0) | 476 (3.2) | < 0.001 |
| Stent characteristics | ||||
| DES | 50,572 (85.7) | 38,435 (86.7) | 12,137 (82.6) | < 0.001 |
| Mechanical assist device | ||||
| IABP | 6367 (10.8) | 5128 (11.6) | 1239 (8.4) | < 0.001 |
| PCPS | 1589 (2.7) | 1285 (2.9) | 304 (2.1) | < 0.001 |
| Impella | 263 (0.4) | 222 (0.5) | 41 (0.3) | 0.001 |
| TIMI flow post-procedure | ||||
| Flow 3 | 57,964 (98.2) | 43,596 (98.3) | 14,368 (97.8) | < 0.001 |
Data are counts (percentage)
BMS bare-metal stent, DES drug-eluting stent, LAD left anterior descending artery, LCx left circumflex artery, MI = myocardial infarction, NSTEMI non ST-elevation myocardial infarction, RCA right coronary artery, STEMI ST-elevation myocardial infarction, TIMI thrombolysis in Myocardial Infarction