Table 3.
Characteristics of enrolled acute myocardial infarction patients in IVUS guided and OCT guided group.
| Variables | IVUS N = 483 | OCT N = 201 | P-value |
|---|---|---|---|
| Baseline Characteristics | |||
| Male | 396 (82.0%) | 168 (83.5%) | 0.866 |
| Age | 60.5 ± 10.5 | 63.5 ± 11.3 | 0.001 |
| Hypertension | 245 (50.7%) | 93 (46.3%) | 0.782 |
| Diabetes | 103 (21.3%) | 53 (26.3%) | 0.573 |
| Hyperlipidemia | 135 (28.0%) | 72 (35.8%) | 0.239 |
| CKD/ESRD | 110 (22.7%) | 47 (23.4%) | 0.722 |
| Smoker | 177 (36.6%) | 64 (31.8%) | 0.261 |
| Clinical presentation | |||
| NSTEMI | 284 (58.8%) | 118 (58.7%) | 0.922 |
| STEMI | 200 (41.4%) | 82 (40.7%) | 0.902 |
| Cardiac History | |||
| History of MI (>3M) | 24 (5.0%) | 15 (7.5%) | 0.207 |
| History of CHF | 24 (5.0%) | 14 (7.0%) | 0.424 |
| Prior PCI | 25 (5.2%) | 13 (6.5%) | 0.653 |
| LVEF (%) | 52.5 ± 10.1 | 50.5 ± 9.3 | 0.592 |
| Number of Vessel disease | 0.001 | ||
| Single | 251 (52.0%) | 76 (37.8%) | |
| Double | 168 (34.8%) | 82 (40.8%) | |
| Triple | 64 (13.3%) | 43 (21.4%) | |
| Targeted Vessel | |||
| LM | 18 (3.7%) | 20 (10.0%) | 0.013 |
| LAD | 308 (63.8%) | 120 (59.7%) | 0.373 |
| LCX | 71 (14.7%) | 57 (28.4%) | <0.001 |
| RCA | 215 (44.5%) | 91 (45.3%) | 0.872 |
| Procedural characteristics | |||
| Number of stents | 2.7 ± 1.1 | 3.1 ± 1.2 | 0.382 |
| Stent length | 22.6 ± 6.2 | 24.2 ± 7.1 | 0.362 |
| DES | 385 (79.7%) | 151 (75.1%) | 0.862 |
| BMS | 98 (20.3%) | 50 (24.9%) | |
| Laboratory data | |||
| T. Cholesterol (mg/dl) | 157.1 ± 42.5 | 159.1 ± 41.2 | 0.322 |
| LDL-C (mg/dl) | 92.1 ± 32.1 | 95.2 ± 32.2 | 0.431 |
| eGFR | 59.1 ± 22.1 | 58.1 ± 23.3 | 0.760 |
| HbA1c | 6.80 ± 1.61 | 6.88 ± 1.28 | 0.769 |
BMS, bare metal stent; CHF, congestive heart failure; CKD/ESRD, chronic kidney disease/end stage renal disease; DES, drug eluting stent; eGFR, estimated glomerular filtration rate; HbA1c, hemoglobin A1C; LAD, left anterior descending coronary artery; LCX, left circumflex coronary artery; LDL-C, low density lipoprotein cholesterol; LM, left main coronary artery; LVEF, left ventricular ejection fraction; MI, myocardial infarction; NSTEMI, non ST segment elevation myocardial infarction; PCI, percutaneous coronary intervention; RCA, right coronary artery; STEMI, ST segment elevation myocardial infarction.