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Table 2 Pre- and postoperative CMR parameters (N = 20)

From: Impact of the cone operation on left ventricular size, function, and dyssynchrony in Ebstein anomaly: a cardiovascular magnetic resonance study

 

Preoperative

Postoperative

P-value

TR fraction (%)

56 ± 19

5 ± 4

< 0.001

Right ventricle

 End-diastolic volume (ml/m2)

242 ± 110

137 ± 82

< 0.001

 End-systolic volume (ml/m2)

141 ± 80

86 ± 65

0.001

 Stroke volume (ml/m2)

101 ± 35

51 ± 7

< 0.001

 Mass (g/m2)

36 ± 15

29 ± 12

0.002

 Ejection fraction (%)

43 ± 9

41 ± 9

0.13

Left ventricle

 End-diastolic volume (ml/m2)

68 ± 13

85 ± 13

< 0.001

 End-systolic volume (ml/m2)

31 ± 8

37 ± 10

0.001

 Stroke volume (ml/m2)

37 ± 8

48 ± 6

< 0.001

 Mass (g/m2)

45 ± 10

52 ± 8

< 0.001

 Ejection fraction (%)

55 ± 7

57 ± 6

0.35

  1. Values are mean ± standard deviation. TR = tricuspid regurgitation