Table 2.
Pre-operative checklist of 3D echocardiographic parameters for planning MVP surgery.
| Qualitative parameters | |
|---|---|
| Number of involved scallops | |
| Commissural or anterior leaflet involvement | |
| Leaflet abnormalities (clefts or calcification) | |
| Annular calcification | |
| Identification of multiple regurgitant jets | |
| Quantitative parameters | Normal values |
| 3D VCA (cm2) | ≤ 0.4 (cut-off for severe MR) |
| MA circumference (mm2) | 106 ± 10 |
| MA area (mm2) | 738 ± 125 |
| P2 height (mm) | ≤ 20 |
| A2 height (mm) | ≤ 26 |
| Intertrigonal distance (mm) | 30 ± 3 |
3D, three-dimensional; MA, mitral annulus; MR, mitral regurgitation; VCA, vena contracta area. Modified from Pastore et al. (75).