Table 5 Acute 4D flow CMR characteristics of patients with adverse remodeling at 12 months
Acute 4D Flow Parameters | No Remodelling at 12 months (n = 38) | Adverse Remodelling at 12 months (n = 12) | P-value |
|---|---|---|---|
KE parameters (normalised for LVEDV) | |||
LV R-R (μJ/ml) | 9.8 ± 2.7 | 8.1 ± 2.2 | 0.06 |
Minimal (μJ/ml) | 1.3 ± 1.1 | 1.2 ± 0.7 | 0.56 |
Average Systolic (μJ/ml) | 11.6 ± 3.7 | 8.5 ± 3.1 | 0.01 |
Systolic In-plane KE (%) | 42.5 ± 10.0 | 54.0 ± 12.2 | 0.02 |
Average Diastolic (μJ/ml) | 8.7 ± .2.7 | 8.7 ± 3.4 | 0.99 |
Components of intra-cavity flow (% of blood volume across 2 cardiac cycles) | |||
Direct flow | 27 ± 9 | 11 ± 4 | < 0.01 |
Retained volume | 16 ± 6 | 14 ± 9 | 0.40 |
Delayed ejection flow | 22 ± 9 | 12 ± 2 | < 0.01 |
Residual volume | 34 ± 12 | 64 ± 14 | < 0.01 |