TABLE 3.
Echocardiographic Data
| Baseline (n = 4) | Post-Procedure (n = 4) | 1 Month (n = 4) | 3 Months (n = 3) | 6 Months (n = 3) | |
|---|---|---|---|---|---|
| Regurgitant volume (ml) | 54.8 ± 14.3 | 28.0± 12.4 | 28.2± 10.6 | 22.1± 6.8 | 18.5 ± 4.1 |
| EROA (cm2) | 0.41± 0.25 | 0.20± 0.10 | 0.18± 0.09 | 0.12± 0.04 | 0.10 ± 0.02 |
| MV septal lateral dimension (mm) | 41.5± 2.6 | 35.7± 3.4 | 35.3± 3.2 | 34.3± 3.2 | 34.2 ± 3.3 |
| Mitral orifice area (cm2) | 4.9± 0.5 | 4.8± 0.8 | 4.7± 0.9 | 3.9± 0.9 | 4.2 ± 0.7 |
| Trans-MV mean pressure gradients (mm Hg) | 1.0± 0.5 | 0.6± ± 0.1 | 0.9± 0.4 | 0.5± 0.1 | 0.9 ± 0.4 |
| SPAP (mm Hg) | 51.2± 8.9 | 42.1± 10.7 | 49.1± 21.0 | 31.3± 5.8 | 39.6 ± 0.6 |
| LVEDD (mm) | 66.4± 8.1 | 67.6± 7.8 | 64.5± 10.2 | 61.9± 8.0 | 58.4 ± 5.1 |
| LVESD (mm) | 55.7± 11.0 | 55.1± 13.6 | 52.3± 13.3 | 46.8± 9.8 | 41.4 ± 10.9 |
| Vena contracta (mm) | 6.4± 1.0 | 4.7± 1.0 | 4.6± 1.2 | 4.2± 1.6 | 4.1 ± 1.4 |
| LVEDV (ml) | 140.5± 62.5 | 146.7± 50.0 | 144.4± 52.1 | 115.4± 30.7 | 102.6 ± 35.7 |
| LVESV (ml) | 77.8± 46.7 | 82.4± 44.7 | 82± 48.9 | 62.7± 37.7 | 55.1 ± 32.1 |
| Ejection fraction (%) | 47.7± 12.5 | 46.8± 13.9 | 47.2± 17.5 | 48.4± 17.1 | 48.9 ± 11.4 |
| MR grade (0–4) | 3.8± 0.5 | 2.8± 0.5 | 2.5± 0.6 | 2.0± 1.0 | 1.7 ± 0.6 |
| MR Vmax (cm/s) | 526± 91 | 547± 57 | 520± 27 | 535± 37 | 554 ± 57 |
| MR VTI (cm) | 153± 48 | 151± 29 | 164± 18 | 180± 11 | 188 ± 48 |
| PISA radius (cm2) | 0.9± 0.2 | 0.6± 0.2 | 0.6± 0.1 | 0.5± 0.1 | 0.5 ± 0.0 |
| TR grade (0–4) | 1.8± 1.0 | 1.3± 0.5 | 1.7± 1.2 | 0.7± 0.6 | 0.7 ± 0.6 |
| TR Vmax (m/s) | 3.2± 0.3 | 2.8± 0.5 | 3.2± 0.9 | 2.3± 0.3 | 2.7 ± 0.0 |
Values are mean ± SD.
EROA = effective regurgitant orifice area; MR = Mitral regurgitant; MV = mitral valve; PISA = proximal isovelocity surface area; SPAP = systolic pulmonary artery pressure; TR = tricuspid regurgitation; VTI = velocity time integral; other abbreviations as in Table 1.