Table 2.
Preoperative annular measurements and calcium distribution obtained from computed tomography images
| Patient No. | MV maximum diameter (mm) | MV minimum diameter (mm) | Calcium thickness (mm) | Calcium distribution (°) | Anterolateral trigone calcification | Posteromedial trigone calcification | Anterior mitral leaflet calcification | Posterior mitral leaflet calcification |
|---|---|---|---|---|---|---|---|---|
| 1 | 37.4 | 18.7 | >5-<10 | >270 | Y | Y | Y | Y |
| 2 | 51.7 | 28.5 | >10 | >270 | Y | Y | N | N |
| 3 | 36 | 21 | >5-<10 | >270 | Y | Y | Y | N |
| 4 | 44.4 | 28.9 | >10 | >270 | N | Y | N | N |
| 5 | –∗ | |||||||
| 6 | –∗ | |||||||
| 7 | 35 | 20 | >5-<10 | >270 | Y | Y | Y | N |
| 8 | 42 | 23 | >10 | >270 | Y | Y | Y | Y |
MV, Mitral valve; Y, yes; N, no.
∗
Preoperative computed tomography not done.