Table 2.
CT measurements in patients with mitral annular disjunction (MAD).
| Median (IQR) | |
|---|---|
| MAD maximum distance (mm) | 3.5 (3.0–4.0) |
| MAD 2CH distance (mm) | 3.5 (3.0–4.0) |
| MAD 3CH distance (mm) | 2.5 (1.4–3.3) |
| MAD 4CH distance (mm) | 2.2 (1.3–3.0) |
| Mean (Standard Deviation) | |
|---|---|
| Mitral Annular Area (cm2) | 10.9 (± 3.2) |
| Mitral Annular Perimeter (mm) | 125.6 (± 16.9) |
| Anterior Annular Perimeter (mm) | 31.0 (± 4.3) |
| Posterior Annular Perimeter (mm) | 94.6 (± 14.7) |
| Mitral Annular Disjunction Perimeter (mm) | 32.9 (± 17.1) |
| Anteroposterior distance (mm) | 28.9 (± 5.4) |
| Trigone-to-trigone distance (mm) | 28.4 (± 4.1) |
Abbreviations: 2CH, left ventricular long-axis 2-chamber view; 3CH, left ventricular long-axis 3-chamber view; 4CH, left ventricular long-axis 4-chamber view; MAD, mitral annular disjunction.