Table 1.
Characteristics and outcomes of ST-segment elevation myocardial infarction patients from 2019 to 2020
| Patient and angiographic characteristics | |||
|---|---|---|---|
| Demographic variables | 2019 cohort (n = 109) | 2020 cohort (n = 105) | P value |
| Mean age (SD) | 62.7 (13.8) | 63.7 (12.4) | 0.29 |
| Male, n (%) | 90 (82.6) | 87 (82.9) | 0.96 |
| CV risk factors | |||
| Hypertension, n (%) | 44 (40.4) | 62 (59.0) | 0.01 |
| Diabetes any type, n (%) | 24 (22.0) | 19 (18.1) | 0.48 |
| Smoking, n (%) | 45 (41.3) | 57 (54.3) | 0.06 |
| Presentation | |||
| Symptom to procedure time (min) | 189 | 232 | 0.08 |
| (117–360) | (118–729) | ||
| Late Presentation (>6 h) | 28 (26.2) | 39 (37.9) | 0.07 |
| Very Late Presentation (>12 h) | 11 (10.3) | 27 (26.2) | 0.003 |
| Cardiac arrest, n (%) | 22 (20.2) | 13 (12.4) | 0.12 |
| Intubated at time of procedure, n (%) | 16 (14.7) | 7 (6.7) | 0.06 |
| Cardiogenic shock, n (%) | 17 (15.6) | 8 (7.6) | 0.07 |
| Angiographic findings and adjunctive treatment | |||
| TIMI flow pre-PCI | |||
| 0 | 74 (76.0) | 73 (69.5) | 0.046 |
| 1 | 4 (3.8) | 8 (7.6) | |
| 2 | 12 (11.5) | 5 (4.8) | |
| 3 | 9 (8.7) | 19 (18.1) | |
| TIMI flow post-PCI | |||
| 0 | 4 (3.8) | 9 (8.6) | 0.45 |
| 1 | 3 (2.9) | 5 (4.8) | |
| 2 | 10 (9.6) | 10 (9.5) | |
| 3 | 87 (83.7) | 81 (77.1) | |
| TIMI thrombus burden score ≥4 | 45 (43.3) | 62 (59.0) | 0.02 |
| GP2B3A use, n (%) | 26 (23.9) | 34 (32.4) | 0.17 |
| Thrombectomy, n (%) | 21 (19.3) | 26 (24.8) | 0.33 |
| Outcome | |||
| Discharge LVEF (%) | 45.7 (11.1) | 46.1 (10.4) | 0.79 |
| Length of stay, median (IQR) | 6 (4–11) | 4 (2–6) | <0.0001 |
| In-hospital mortality, n (%) | 9 (8.3) | 7 (7.0) | 0.94 |
Bold indicates statistical significance of P values.
Demographic, angiographic and outcome difference between 2019 and 2020.
CV, cardiovascular; DM, diabetes mellitus; LVEF, left ventricular ejection fraction; PCI, percutaneous coronary intervention.