Table 1.
Demographic & procedural data of patients with acute myocardial infarction.
| Variables | Angiography alone | Intra-vascular imaging | P-value |
|---|---|---|---|
| N = 620 | N = 684 | ||
| Baseline characteristics | |||
| Male | 514 (82.9%) | 564 (82.5%) | 0.961 |
| Age | 62.3 ± 11.8 | 62.5 ± 10.8 | 0.971 |
| Hypertension | 316 (51.0%) | 338 (49.4%) | 0.810 |
| Diabetes | 143 (23.1%) | 156 (22.8%) | 0.890 |
| Hyperlipidemia | 248 (40.0%) | 207 (30.3%) | 0.531 |
| CKD/ESRD | 176 (28.4%) | 157 (23.0%) | 0.734 |
| Smoker | 221 (35.6%) | 241 (35.2%) | 0.946 |
| Clinical presentation | |||
| NSTEMI | 385 (62.1%) | 402 (58.8%) | 0.892 |
| STEMI | 235 (37.9%) | 282 (41.2%) | 0.811 |
| Cardiac history | |||
| History of MI (>3M) | 41 (6.6%) | 39 (5.7%) | 0.767 |
| History of CHF | 46 (7.4%) | 38 (5.6%) | 0.453 |
| Prior PCI | 40 (6.5%) | 38 (5.7%) | 0.763 |
| LVEF (%) | 56.3 ± 10.3 | 51.6 ± 11.3 | 0.246 |
| Number of vessel disease | 0.716 | ||
| Single | 310 (50.0%) | 327 (47.8%) | |
| Double | 217 (35.0%) | 250 (36.5%) | |
| Triple | 93 (15.0%) | 107 (15.6%) | |
| Targeted vessel | |||
| LM | 10 (1.6%) | 38 (5.6%) | 0.001 |
| LAD | 370 (59.7%) | 428 (62.6%) | 0.484 |
| LCX | 143 (23.1%) | 128 (18.7%) | 0.186 |
| RCA | 270 (43.5%) | 306 (44.7%) | 0.889 |
| Procedural characteristics | |||
| Number of stents | 1.6 ± 0.9 | 2.9 ± 1.4 | <0.001 |
| Stent length | 18.8 ± 7.2 | 23.2 ± 9.0 | <0.001 |
| DES | 467 (75.3%) | 536 (78.4%) | 0.832 |
| BMS | 153 (24.7%) | 148 (21.6%) | 0.732 |
| Laboratory data | |||
| T. Cholesterol (mg/dl) | 153.6 ± 37.5 | 158.3 ± 44.2 | 0.366 |
| LDL-C (mg/dl) | 90.4 ± 34.0 | 93.9 ± 35.7 | 0.437 |
| eGFR | 62.4 ± 24.3 | 58.4 ± 26.6 | 0.768 |
| HbA1c | 6.71 ± 1.58 | 6.87 ± 1.27 | 0.761 |
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.