Parameters of LV function recovery | Preserved CFR (N = 19) | Impaired CFR (N = 25) | p value |
---|---|---|---|
72 hours after reperfusion | Â | Â | Â |
TPD at stress (%) | 19.68 (12.77) | 37.76 (11.59) | < 0.001 |
TPD at rest (%) | 12.58 (1.22) | 30.16 (11.32) | < 0.001 |
LVEF (%) (3D) | 47.78 (8.99) | 40.79 (7.25) | 0.007 |
LV ESV (ml) (3D) | 64.32 (22.97) | 74.86 (16.11) | 0.084 |
LV EDV (ml) (3D) | 109.06 (21.90) | 128.10 (24.15) | 0.011 |
WMSI at rest | 1.74 (0.29) | 1.89 (0.17) | < 0.001 |
WMSI LDDE | 1.48 (0.27) | 1.80 (0.22) | < 0.001 |
At 5 months follow-up | Â | Â | Â |
CFR | 2.61 (0.40) | 2.06 (0.33) | < 0.001 |
TPD at stress (%) | 8.74 (9.44) | 28.12 (9.72) | < 0.001 |
TPD at rest (%) | 5.26 (6.14) | 23.28 (12.19) | < 0.001 |
LVEF (%) (3D) | 49.78 (8.70) | 40.36 (7.90) | 0.001 |
LV ESV (ml) (3D) | 59.28 (2.18) | 80.04 (25.10) | 0.006 |
LV EDV (ml) (3D) | 113.39 (25.28) | 133.72 (3.59) | 0.026 |
WMSI at rest | 1.47 (0.30) | 1.81 (0.20) | < 0.001 |
WMSI LDDE | 1.30 (0.28) | 1.76 (0.25) | < 0.001 |
Contractile reserve (difference ≥ 0.25 of WMSI) |  |  |  |
WMSI at rest (AMI) - WMSI at rest (at follow-up) | 0.27 (0.19) | 0.07 (0.10) | < 0.001 |
WMSI at rest (AMI) - WMSI LDDE (AMI) | 0.25 (0.13) | 0.08 (0.09) | < 0.001 |
WMSI at rest (AMI) - WMSI LDDE (at follow-up) | 0.43 (0.20) | 0.13 (0.16) | < 0.001 |