Table 1 Comparison of hemodynamic parameters for normal and stenotic valves
Normal (n = 12) | Stenotic (n = 12) | |
|---|---|---|
FFV (mL/beat) | ||
Flow Transducer | 90 ± 16 | 91 ± 18 |
PC-CMR | 93 ± 16 | 88 ± 17 |
Peak Velocity (cm/s) | ||
Doppler | 148 ± 33 | 282 ± 77 |
PC-CMR | 133 ± 34 | 275 ± 76 |
AOA (cm2) | ||
CMR | 2.9 ± 0.5 | 1.2 ± 0.3 |
Mean gradient (mm Hg) | ||
Doppler | 4.0 ± 1.7 | 16.0 ± 8.9 |
Pressure Transducer | 4.7 ± 1.0 | 14.8 ± 7.8 |
EOA (cm2) | ||
Doppler | 1.8 ± 0.3 | 1.0 ± 0.2 |
PC-CMR | 2.1 ± 0.4 | 1.0 ± 0.2 |