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Table 2 Comparison of CMR data between Group I and Group II

From: Delayed onset of tricuspid valve flow in repaired tetralogy of Fallot: an additional mechanism of diastolic dysfunction and interventricular dyssynchrony

Parameters Overall
(n = 31)
Group I
(n = 15)
Group II
(n = 16)
Pvalue
Delay of onset of tricuspid valve flow (ms) - - 64.81 ± 27.07 -
Tricuspid Valve E-wave peak velocity (cm/s) 29.47 ± 8.68 32.15 ± 7.02 26.95 ± 9.52 0.10
  A-wave peak velocity (cm/s) 31.01 ± 12.76 29.58 ± 8.07 32.26 ± 15.97 0.56
  E/A ratio 1.02 ± 0.34 1.12 ± 0.32 0.93 ± 0.34 0.12
Mitral valve E-wave peak velocity (cm/s) 53.14 ± 8.17 54.02 ± 9.69 52.31 ± 6.67 0.58
  A-wave peak velocity (cm/s) 20.00 ± 10.98 17.65 ± 7.12 21.91 ± 13.24 0.31
  E/A ratio 3.50 ± 2.00 3.44 ± 1.51 3.54 ± 2.37 0.89
Right ventricle EDVi (ml/m2) 171.66 ± 49.60 174.29 ± 43.82 169.02 ± 56.22 0.77
  EF (%) 42.28 ± 8.20 46.06 ± 8.95 38.49 ± 5.35 0.01
Left ventricle EDVi (ml/m2) 83.41 ± 15.32 85.12 ± 16.87 81.69 ± 14.01 0.56
  EF (%) 59.72 ± 6.91 58.95 ± 7.25 60.55 ± 6.71 0.54
Pulmonary regurgitant fraction (%) 38.28 ± 10.14 42.23 ± 6.81 35.96 ± 11.41 0.06
Heart rate (beats per minute) 76.80 ± 19.44 77.07 ± 22.40 76.53 ± 16.78 0.94
PR interval (ms) 148.97 ± 32.10 147.21 ± 40.48 150.60 ± 23.11 0.78
QRS duration (ms) 142.33 ± 29.54 136.27 ± 33.17 148.40 ± 25.06 0.27
  1. EDVi, end-diastolic volume index; EF, ejection fraction; MV, mitral valve; TV, tricuspid valve.
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