Variable | Immediate CR (n = 63) | Staged CR (n = 30) | p |
Peak CK (IU/L) | 939 (627–1567) | 1508 (938–2280) | 0.05 |
Pre-discharge CMR | |||
Total Infarct Size (% LVM) | 11.6 (6.8–18.2) 13.5 ± 11.4 | 19.7 (11.7–37.6) 22.6 ± 14.5 | 0.016 (0.012)* |
Time from PPCI (days) | 2.3 (1.7–3.2) | 4.1 (2.7–5.4) | <0.001 |
Infarct on LGE (%) | 60 (95.2) | 30 (100) | 0.22 |
Patients with >1 acute infarct | 7 (11.1) | 9 (30.0) | 0.024 |
IRA Infarct size (% LVM) | 11.1 (5.4–17.4) 12.5 ± 10.0 | 19.1 (8.8–35.2) 20.9 ± 14.6 | 0.039 (0.05)* |
Non-IRA Infarct size (% LVM) | 0.9 ± 3.2 | 1.7 ± 3.6 | 0.11 (0.65)* |
Total acute infarcts (% LVM) | 11.6 (6.8–17.6) 13.0 ± 10.3 | 19.1 (10.2–37.1) 21.7 ± 14.8 | 0.006 (0.025)* |
Area at risk (% LVM) | 31.4 ± 12.5 | 33.1 ± 10.8 | 0.57 |
MSI§ (%) | 61.7 (37.4–75.5) | 35.1 (5.9–66.4) | 0.008 (0.034)* |
MVO present (n %) | 34/63 (54.0) | 21/30 (70.0) | 0.14 |
MVO (% LVM) | 0.07 (0.00–0.93) | 0.44 (0.00–6.1) | 0.032 (0.024)* |
LVMI (g/m2) | 52.5 (47.7–61.0) | 51.5 (45.6–63.0) | 0.55 |
LVEDVI (ml/m2) | 89.9 (78.4–110.0) | 89.7 (82.8–102.9) | 0.43 |
LVEF (%) | 47.4 ± 9.4 | 42.2 ± 10.2 | 0.019 |
Follow-up CMR | n = 53 | n = 26 | |
LVMI (g/m2) | 45.2 (38.8–52.3) | 47.4 (40.9–51.6) | 0.71 |
LVEDVI (ml/m2) | 92.5 (80.5–105.5) | 93.9 (83.3–113.6) | 0.28 |
LVEF (%) | 50.9 ± 9.4 | 46.7 ± 8.9 | 0.06 |
Infarct on LGE (n,%) | 51 (96.2) | 26 (100) | 0.32 |
Patients with >1 infarct (%) | 9 (17.0) | 9 (34.6) | 0.08 |
IS (% LVM) | 5.7 (2.4–10.4) | 13.5 (4.6–23.3) | 0.004 (0.044)* |