Table 1 MRI-derived MV plane measurements
|
Control (n = 51) | MR | ||
|---|---|---|---|
| Preoperative (n = 35) | Postoperative (n = 35) | ||
| MA Transverse Diameter at ED, mm | 33.07 ± 5.52 | 42.41 ± 7.33* | 31.61 ± 3.88† |
| MA Transverse Diameter at ES, mm | 35.95 ± 4.07 | 45.83 ± 6.68* | 32.26 ± 5.1*† |
| Septolateral Diameter at ED, mm | 35.07 ± 3.74 | 43.73 ± 6.66* | 34.51 ± 5.99† |
| Septolateral Diameter at ES, mm | 35.51 ± 3.38 | 43.58 ± 7.52* | 35.01 ± 5.27† |
| C. to A. distance at ED, mm | 95.40 ± 7.75 | 100.75 ± 8.95* | 96.65 ± 9.21 |
| C. to A. distance at ES, mm | 79.94 ± 7.49 | 85.27 ± 8.66* | 84.66 ± 8.02* |
| Left Ventricle Ejection Fraction,% | 64 ± 7 | 61 ± 7* | 54 ± 8*† |
| Peak MA Anterior Displacement, mm | 10.53 ± 3.09 | 11.71 ± 3.71 | 8.16 ± 2.8*† |
| Peak E. Dia MA Anterior velocity, % LA length/s | 64.02 ± 25.1 | 76.74 ± 23.63* | 55.19 ± 19.64† |
| Peak MA Inferior Displacement, mm | 12.73 ± 3.94 | 12.85 ± 3.52 | 8.6 ± 2.43*† |
| Peak E. Dia MA Inferior velocity, % LA length/s | 64.93 ± 35.6 | 58.82 ± 21.97 | 39.83 ± 18.47*† |
| Peak MA Lateral Displacement, mm | 13.38 ± 3.23 | 13.91 ± 3.09 | 10.39 ± 3.61*† |
| Peak E. Dia MA Lateral velocity, % LA length/s | 79.32 ± 34.3 | 78.45 ± 24.73 | 49.4 ± 16.36*† |
| Peak MA Septal Displacement, mm | 10.59 ± 3.55 | 12.04 ± 3.1 | 7.67 ± 2.44*† |
| Peak E. Dia MA Septal velocity, % LA length/s | 71.26 ± 27.44 | 77.18 ± 39.92 | 43.03 ± 16.9*† |
| Peak C. to A. dis. Displacement to pre., mm | 4.004 ± 1.46 | 3.759 ± 1.35 | 2.714 ± 0.85*† |
| Peak normal displacement to ED, degree | 14.65 ± 6.68 | 14.46 ± 5.53 | 13.59 ± 5.71 |