| Measure | pre OP | post OP | p value |
|---|
| Forward flow (ml) | 120 ± 44 | 80 ± 24 | < 0.001 |
| Backward flow (ml) | 21 ± 17 | 5 ± 3 | < 0.001 |
| Net flow (ml) | 99 ± 36 | 75 ± 23 | < 0.001 |
| Peak systolic velocity (cm/s) | 225 ± 85 | 192 ± 40 | 0.014 |
| Regurgitant fraction (%) | 17 ± 10 | 6 ± 4 | < 0.001 |
| Helix grade |
| Ascending aorta | 1.6 ± 0.6 | 0.9 ± 0.5 | < 0.001 |
| Aortic arch | 0.5 ± 0.7 | 0.3 ± 0.5 | ns |
| Descending aorta | 0.3 ± 0.6 | 0.1 ± 0.4 | ns |
| Vortex grade |
| Ascending aorta | 1.2 ± 0.8 | 0.5 ± 0.6 | 0.002 |
| Aortic arch | 0.2 ± 0.4 | 0.0 ± 0.0 | ns |
| Descending aorta | 0.3 ± 0.6 | 0.2 ± 0.4 | ns |
- Values represent mean ± SD. p < 0.05 indicates a statistically significant difference. Significant values are in bold
