From: Mitral prosthetic size predictor in minimally invasive mitral valve replacement
Calculated mitral annulus diameters | All patients | Mechanical valve | Tissue valve |
---|---|---|---|
Mean TTE diameter (PLAX diameter and A4C diameter) | 0.702 | 0.683 | 0.744 |
Lowest plane on CT scan (passed through the trigones) | |||
Mean diameter | 0.679 | 0.629 | 0.756 |
Perimeter-derived diameter | 0.650 | 0.628 | 0.683 |
Area-derived diameter | 0.663 | 0.639 | 0.695 |
Highest plane on CT Scan (passed through midpoints of the anterior and posterior annuli) | |||
Mean diameter | 0.587 | 0.522 | 0.682 |
Perimeter-derived diameter | 0.622 | 0.575 | 0.704 |
Area-derived diameter | 0.665 | 0.622 | 0.730 |