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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