Table 2.
Comparison of ST-elevation myocardial infarction patients who did or did not undergo computed tomography (CT) of the head prior to angiography. Continuous variables are presented as median with interquartile range except for age, which is presented as mean ± SD. The group variables are presented as total number (percentage)
| CT (n = 11) | No CT (n = 39) | p | |
|---|---|---|---|
| Age | 68 ± 12 | 59 ± 15 | 0.40 |
| Initial rhythm | 0.34 | ||
| Shockable | 11 (100%) | 36 (92%) | |
| PEA/asystole | 0 (0%) | 3 (8%) | |
| DAPT timing | 0.89 | ||
| Ambulance | 1 (9%) | 14 (36%) | |
| Catheterisation laboratory | 8 (73%) | 25 (64%) | |
| No DAPT | 2 (18%) | 0 | |
| Culprit vessel | 0.31 | ||
| LAD | 3 (27%) | 14 (36%) | |
| LCx | 1 (9%) | 8 (21%) | |
| RCA | 3 (27%) | 3 (8%) | |
| No culprit vessel | 4 (36%) | 14 (36%) | |
| pH (ED) | 7.26 (7.20–7.33) (n = 10) | 7.22 (7.09–7.27) (n = 34) | 0.14 |
| First troponin I (ED) (ng/l) | 403 (169–769) (n = 9) | 457 (129–1198) (n = 37) | 0.96 |
| First CK-MB (ED) (µg/l) | 6.6 (4.6–14.7) (n = 9) | 6.5 (4.6–13.0) (n = 37) | 0.89 |
| CK-MB max (µg/l) | 146 (68–288) (n = 10) | 177 (59–379) (n = 29) | 0.09 |
| CK max (U/l) | 1424 (1087–1815) (n = 9) | 2422 (942–5037) (n = 28) | 0.97 |
| LV function (2 ± 1 days after OHCA) | n =8 | n = 22 | 0.05 |
| Normal | 0 (0%) | 3 (14%) | |
| Reasonable | 7 (88%) | 7 (32%) | |
| Moderate | 0 (0%) | 7 (32%) | |
| Poor | 2 (23%) | 5 (23%) | |
| LV function (4 ± 3 months after OHCA) | n =6 | n = 11 | 0.08 |
| Normal | 1 (17%) | 7 (64%) | |
| Reasonable | 4 (67%) | 1 (9%) | |
| Moderate | 1 (17%) | 2 (18%) | |
| Poor | 0 (0%) | 1 (9%) | |
| Mortality | 4 (36%) | 16 (41%) | 0.78 |
PEA pulseless electrical activity, DAPT dual antiplatelet therapy, LAD left anterior descending coronary artery, LCx left circumflex artery, RCA right coronary artery, ED emergency department, CK-MB creatine kinase-myocardial band, CK creatine kinase, LV left ventricular, OHCA out-of-hospital cardiac arrest