Variable | Patients (n) |
---|---|
Mitral regurgitation (colour flow imaging) | |
⩽ 1 | 442 |
> 1 | 90 |
Mitral valve area (planimetry) (cm2)† | |
⩽ 1.7 | 145 |
> 1.7 | 249 |
Mean transmitral gradient (Doppler) (mm Hg) | |
⩽ 6 | 437 |
> 6 | 95 |
Mitral regurgitation (angiography)2-150 | |
⩽ 1 | 396 |
> 1 | 68 |
Mitral valve area (haemodynamic) (cm2)2-150 | |
⩽ 1.7 | 146 |
> 1.7 | 318 |
Mean pulmonary artery pressure (mm Hg) | |
⩽ 20 | 317 |
> 20 | 215 |
Mean left atrial pressure (mm Hg) | |
⩽ 15 | 435 |
> 15 | 97 |
Mean transmitral gradient (haemodynamic) | |
⩽ 7 | 440 |
> 7 | 92 |
Absolute change in mitral area (haemodynamic) (cm2) | |
< 0.7 | 189 |
⩾ 0.7 | 343 |
↵2-150 Available in 464 patients postprocedure; †mitral valve area by planimetry available in 394 patients postprocedure.