From: Assessment of energy loss in aortic stenosis using Bayesian multipoint phase-contrast MRI
Patient 1 | Patient 2 | |
---|---|---|
Bayesian multipoint PC-MRI | ||
Peak velocities | 3.9 m/s | 4.5 m/s |
Peak TKE | 1350 J/m3 | 1630 J/m3 |
Peak total TKE | 12.1 mJ | 15.3 mJ |
Energy loss index | 22.9% | 21.9% |
Stroke volume | 56 ml | 63 ml |
Mean pressure gradient | 45 mmHg | 41 mmHg |
Doppler echocardiography | ||
Aortic valve area | 0.8 cm2 | 0.8 cm2 |
Mean pressure gradient | 48 mmHg | 42 mmHg |