Table 1.
Clinical and echocardiographic findings in patients with myxomatous mitral valve prolase (MMVP) and fibroelastic deficiency (FED).
| Clinical Information | MMVP (n = 10) | FED (n = 10) | p Value |
|---|---|---|---|
| Age, years | 57.50 ± 3.76 | 59.10 ± 3.05 | 0.758 |
| Female gender | 3/10 (30%) | 1/10 (10%) | - |
| NYHA class | 2.40 ± 0.38 | 2.00 ± 0.32 | 0.453 |
| Atrial fibrillation rhythm | 3 (30%) | 2 (20%) | - |
| LV diastolic dimension, mm | 57.60 ± 2.22 | 59.80 ± 2.29 | 0.521 |
| LV systolic dimension, mm | 35.90 ± 2.05 | 36.20 ± 1.69 | 0.916 |
| LV ejection fraction, % | 61.80 ± 2.70 | 66.50 ± 2.10 | 0.210 |
| Left atrial volume index, mL/m2 | 93.78 ± 9.15 | 90.60 ± 7.28 | 0.807 |
| MA dimension, mm | 39.90 ± 0.87 | 34.20 ± 1.77 * | 0.016 |
| MA dimension/BSA, mm/m2 | 24.04 ± 1.36 | 19.81 ± 0.55 * | 0.019 |
| Severe mitral regurgitation | 9 (90%) | 10 (100%) | - |
| Mitral regurgitant volume, mL | 92.00 ± 12.36 | 100.44 ± 11.38 | 0.649 |
| Effective regurgitant orifice, cm2 | 0.67 ± 0.11 | 0.71 ± 0.09 | 0.825 |
| AML length, mm | 31.90 ± 1.65 | 23.44 ± 0.87 * | 0.0008 |
| AML thickness, mm | 4.68 ± 0.38 | 2.86 ± 0.11 * | 0.0013 |
| PML length, mm | 21.10 ± 1.67 | 18.22 ± 1.40 | 0.238 |
| PML thickness, mm | 4.49 ± 0.38 | 3.56 ± 0.39 | 0.133 |
BSA: Body surface area; LV: left ventricular; MA: mitral annular; AML: anterior mitral leaflet; PML: posterior mitral leaflet. Values presented are mean ± SEM or numbers (percentages), Student’s t-test (type 3); *: p < 0.05.