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Table 1 Comparison of volumetric and functional parameters of EA patients and healthy controls.

From: Atrio-ventricular mechanics and heart failure in Ebstein's anomaly - a cardiac magnetic resonance study

 

Patients

Controls

p-value

Patients

Controls

p-values

RIGHT ATRIUM

LEFT ATRIUM

Reservoir function

AEF total (%)

45.51 ± 11.66

55.91 ± 8.83

* 0.002

59.67 ± 10.03

66.23 ± 7.13

* 0.018

Ells (%)

19.73 ± 10.49

28.35 ± 11.31

* 0.009

17.08 ± 9.74

20.64 ± 5.77

* 0.017

SRs (/sec)

0.94 ± 0.37

1.19 ± 0.43

* 0.031

0.72 ± 0.32

0.89 ± 0.27

* 0.061

Conduit function

AEF passive (%)

30.62 ± 10.38

32,82 ± 12.12

0.505

47.77 ± 12.43

49.10 ± 12.21

0.053

Elle (%)

13,93 ± 8.21

18.29 ± 8.85

0.068

12.72 ± 8.09

15.28 ± 5.30

* 0.025

SRe (/sec)

-0.65 ± 0.29

-0.90 ± 0.42

* 0.021

-0.76 ± 0.38

-1.08 ± 0.44

* 0.0007

Booster pump function

AEF active (%)

14.89 ± 11.54

23.09 ± 11.66

* 0.020

11.89 ± 8.19

17.14 ± 8.95

0.143

Ella (%)

5.8 ± 4.89

10.06 ± 5.64

* 0.008

4.36 ± 3.33

5.36 ± 3.62

0.342

SRa (/sec)

-0.59 ± 0.40

-0.9 ± 0.48

* 0.020

-0.41 ± 0.32

-0.61 ± 0.35

* 0.047

RIGHT VENTRICLE

LEFT VENTRICLE

EF total (%)

44.77 ± 8.33

52.99 ± 5.23

* < 0.001

59.07 ± 7.50

62.75 ± 7.67

0.281

Ell (%)

-13.48 ± 6.26

-19.66 ± 3.60

* < 0.001

-15.67 ± 4.96

-18.37 ± 4.78

0.067

Ecc (%)

   

-17.61 ± 4,63

-17.81 ± 2.31

0.87

Err (%)

   

25.65 ± 9.83

28.22 ± 9.75

0.378

  1. P-value from t-test or Mann-Whitney-U-Test, *p = statistically significant = < 0.05. AEF: atrial ejection fraction; Ell: longitudinal strain; SR: strain rate; EF: ejection fraction; Ecc: circumferential strain; Err: radial strain