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Table 1 MRI-derived MV plane measurements

From: Mitral annular kinetics in mitral regurgitation

  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
  1. Values are mean ± SE. MR, mitral regurgitation patients; ED: end diastole; ES: end systole; E Dia., early diastole; MA, mitral annulus; C., centroid; A., apex; dis., distance; pre., previous; LA, long axis; *, P < 0.05 vs. Control; †, P < 0.05 vs.Preoperative.