Table 1.
Clinical and electrocardiographic features in the study population. Values are expressed as number of patients (%) or median [25 and 75% percentiles].
| Study Population (n = 407) | |
|---|---|
| Male sex | 307 (75) |
| Age, years | 66 (56–75) |
| FMC to PCI, min | 101 (55–120) |
| Primary PCI | 346 (85) |
| Medical history | |
| Arterial hypertension | 261 (64) |
| Dyslipidemia | 176 (43) |
| Diabetes mellitus | 75 (18) |
| Familiar CAD | 153 (38) |
| Smoke | 139 (34) |
| Previous AMI | 35 (9) |
| CKD | 36 (9) |
| Severe COPD | 13 (3) |
| ECG at first medical contact | |
| Anterior STEMI (V1–V4) | 189 (46) |
| Anterior (V1–V4) and lateral (V5- V5–V6, I, aVL V6, I, aVL) | 23 (6) |
| Lateral (V5–V6, I, aVL) | 14 (3) |
| Inferior (II/aVF/III) | 117 (29) |
| Inferior (II/aVF/III) and lateral (V5–V6, I, aVL) | 59 (14) |
| Posterior | 5 (1) |
| Tombstone pattern | 45 (11) |
| Triangular-Lambda pattern | 14 (3) |
| R-wave ≥ 1.0 mV | 125 (31) |
| Culprit coronary vessel | |
| Left main | 21 (5) |
| LAD | 197 (48) |
| Left circumflex | 52 (13) |
| Ramus intermedius | 3 (1) |
| Right coronary | 134 (33) |
| Clinical variables | |
| LVEF, % | 47 (40–55) |
| GFR, mL/min/1.73 m2 | 75 (61–90) |
| Killip class ≥ III | 24 (6) |
| Peak Troponin I, ug/L | 70 (26–150) |
| Events | |
| PVF | 39 (10) |
| 30-day mortality | 28 (7) |
AMI = acute myocardial infarction; CAD = coronary artery disease; CKD = chronic kidney disease; COPD = chronic obstructive pulmonary disease; FMC = first medical contact; GFR = glomerular filtration rate; LAD = left anterior descending; LVEF = left ventricular ejection fraction; PCI = percutaneous coronary intervention; PVF = primary ventricular fibrillation.