Table 1.
Clinical and angiographic characteristics of obstructive-AMI and MINOCA patients
| Obstructive AMI N = 2450 | MINOCA N = 239 | ||||
|---|---|---|---|---|---|
| STEMI N = 1116 | NSTEMI N = 1334 | STEMI N = 28 | NSTEMI N = 211 | ||
| Lesion Location | Causes | ||||
| LM lesion, n (%) | 47 (4.2) | 195 (14.6) | Epicardial coronary spasm | 1 (3.6) | 13 (6.2) |
| LAD lesion, n (%) | 954 (85.4) | 988 (74) | SCAD | 9 (32.1) | 26 (12.3) |
| LCx lesion, n (%) | 412 (36.9) | 520 (38.9) | Coronary embolism | 4 (14.3) | 0 (0) |
| RC lesion, n (%) | 744 (66.7) | 759 (56.9) | Atherosclerotic plaque disruption (type I) | 5 (17.9) | 31 (14.7) |
| Supply–demand mismatch (type II) | 9 (32.1) | 141 (66.8) | |||
| Number of Vessels | Number of vessels with stenosis | ||||
| LM, n (%) | 37 (3.3) | 148 (11.1) | LM (1–20%), n (%) | 4 (14.3) | 1 (0.5) |
| 1 Vessel, n (%) | 667 (59.8) | 459 (34.4) | 1 Vessel (20–49%), n (%) | 3 (10.7) | 31 (14.6) |
| 2 Vessels, n (%) | 303 (27.2) | 383 (28.7) | 2 Vessels (20–49%), n (%) | 3 (10.7) | 13 (6.2) |
| 3 Vessels, n (%) | 109 (9.7) | 344 (25.8) | 3 Vessels (20–49%), n (%) | 0 (0) | 3 (1.4) |
AMI Acute Myocardial Infarction, LAD Left Anterior Descending artery, LCx Left Circumflex, LM Left Main, MINOCA myocardial Infarction with Non-Obstructive Coronary Arteries, NSTEMI Non-ST-segment elevation myocardial infarction, RC Right Coronary artery, STEMI ST-segment elevation myocardial infarction, SCAD Spontaneous coronary artery dissection