Table 2.
Coronary Angiographic and Procedural Characteristics
|
Culprit‐Only PCI (N=1294) |
One‐Stage MVR (N=1244) |
Multistage MVR (N=334) |
P Value | |
|---|---|---|---|---|
| Culprit lesion profiles | ||||
| Culprit vessel | <0.001 | |||
| Left main coronary artery | 62 (4.8%) | 83 (6.7%) | 7 (2.1%) | |
| Left anterior descending artery | 484 (37.4%) | 449 (36.1%) | 104 (31.1%) | |
| Left circumflex artery | 346 (26.7%) | 365 (29.3%) | 68 (20.4%) | |
| Right coronary artery | 402 (31.1%) | 347 (27.9%) | 155 (46.4%) | |
| ACC/AHA B2/C lesion | 1098 (84.9%) | 1054 (84.7%) | 306 (91.6%) | 0.004 |
| Small vessel* | 485 (37.5%) | 467 (37.5%) | 103 (30.8%) | 0.059 |
| Long lesion † | 577 (44.6%) | 559 (44.9%) | 177 (53.0%) | 0.017 |
| Overall‐lesion profiles | ||||
| Left main disease | 123 (9.5%) | 156 (12.5%) | 30 (9.0%) | 0.026 |
| Triple vessel disease | 428 (33.1%) | 456 (36.7%) | 185 (55.4%) | <0.001 |
| Procedural characteristics | ||||
| Transradial approach | 609 (47.1%) | 600 (48.2%) | 180 (53.9%) | 0.213 |
| Use of glycoprotein IIb/IIIa inhibitor | 88 (6.8%) | 84 (6.8%) | 46 (13.8%) | <0.001 |
| Thrombus aspiration | 154 (11.9%) | 80 (6.4%) | 65 (19.5%) | <0.001 |
| IRA treatment | 0.022 | |||
| Bare metal stent | 37 (2.9%) | 23 (1.8%) | 5 (1.5%) | |
| First‐generation DES | 15 (1.2%) | 8 (0.6%) | 4 (1.2%) | |
| Second‐generation DES | 1137 (87.9%) | 1140 (91.6%) | 310 (92.8%) | |
| Plain balloon angioplasty | 105 (8.1%) | 73 (5.9%) | 15 (4.5%) | |
| Total number of stents | 1.2±0.6 | 2.3±0.9 | 2.6±1.1 | <0.001 |
| Pre‐PCI TIMI flow 0–1 in culprit lesion | 525 (40.6%) | 441 (35.5%) | 174 (52.1%) | <0.001 |
| IVUS guided PCI | 337 (26.0%) | 326 (26.2%) | 59 (17.7%) | 0.004 |
| OCT guided PCI | 33 (2.6%) | 38 (3.1%) | 0 | 0.006 |
| Hemodynamic support device | ||||
| IABP | 5 (0.4%) | 10 (0.8%) | 0 | 0.128 |
| ECMO | 1 (0.1%) | 0 | 0 | 0.543 |
| Interval between index and second stage PCI, d | 5.0 (4.0–7.0) | |||
| Complete revascularization | 922 (74.1%) | 207 (62.0%) | ||
| Complications during hospitalization | ||||
| Heart failure | 51 (3.9%) | 48 (3.9%) | 21 (6.3%) | 0.122 |
| Atrioventricular block | 10 (0.8%) | 6 (0.5%) | 4 (1.2%) | 0.342 |
| Ventricular tachycardia | 14 (1.1%) | 6 (0.5%) | 6 (1.8%) | 0.053 |
| Ventricular fibrillation | 4 (0.3%) | 3 (0.2%) | 2 (0.6%) | 0.583 |
| Length of hospital stay, d | 4.0 (3.0–6.0) | 4.0 (3.0–6.0) | 7.0 (6.0–9.0) | <0.001 |
Values are mean±SD, median (interquartile range), or n (%). ACC/AHA indicates American College of Cardiology/American Heart Association; DES, drug‐eluting stent; ECMO, extracorporeal membrane oxygenation; IABP, intra‐aortic balloon pump; IRA, infarct‐related artery; IVUS, intravascular ultrasound; MVR, multivessel revascularization; OCT, optical coherence tomography; PCI, percutaneous coronary intervention; and TIMI, thrombolysis in myocardial infarction.
*
Small vessel: reference diameter ≤2.75 mm.
†
Long lesion: length ≥28 mm.