Cardiac MRI parameters following primary coronary intervention
| Variable | Haemorrhagic STEMI (n= 29) | Non-haemorrhagic STEMI (n= 21) | p Value |
| LV end diastolic volume index (ml/m2) | 81.0±21.4 | 67.1±11.4 | <0.001 |
| LV end systolic volume index (ml/m2) | 41.1±17.1 | 28.3±7.9 | <0.001 |
| LV ejection fraction (%) | 51±11 | 59±7 | <0.01 |
| LV mass index (g/m2) | 84±16 | 73±11 | <0.01 |
| Infarct fractional wall thickening (%) | 4.5±13.5 | 23.2±19.2 | <0.0001 |
| Infarct absolute wall thickening (mm) | 0.4±1.1 | 1.6±1.0 | <0.0001 |
| Infarct end diastolic wall thickness (mm) | 8.5±2.3 | 7.8±1.7 | NS |
| Infarct (% LV) | 23.8±8.2 | 12.0±5.9 | <0.0001 |
| T2 oedema (% LV) | 37.3±12.5 | 30.2±12.5 | <0.05 |
| Early MVO (% LV) | 19.0±11.0 | 0.1±0.7 | <0.0001 |
| Late MVO (% LV) | 6.6±4.8 | Not detected | <0.0001 |
Values given as mean±SD.
LV, left ventricular; MVO, microvascular obstruction; STEMI, ST elevation myocardial infarction.