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Table 3 Left Ventricle Strain Parameters Difference between Normal Individuals, ASD Patients, EA Patients without or with ASD

From: Effect of concomitant atrial septal defect on left ventricular function in adult patients with unrepaired Ebstein’s anomaly: a cardiovascular magnetic resonance imaging study

 

Normal n = 40

ASD n = 35

EA without ASD n = 76

EA with ASD n = 31

p value

PS (%)

 Radial

39 (36 to 48)

30 (19 to 37)*

34 (30 to 39)*†

30 (25 to 37)*

< 0.001

 Circumferential

− 20 (− 21 to − 18)

− 16 (− 18 to − 13)*

− 18 (− 20 to − 16)*

− 16 (− 18 to − 13)*

0.001

 Longitudinal

− 15 (− 18 to − 14)

− 12 (− 15 to − 7.8)*

− 12 (− 15 to − 10)*

− 9.3 (− 12 to − 6.3)*

< 0.001

PSSR (1/s)

 Radial

2.3 (2.1 to 2.7)

1.8 (1.2 to 2.3)

2.0 (1.6 to 2.4)

1.8 (1.6 to 2.1)

0.096

 Circumferential

− 1.0 (− 1.2 to − 0.9)

− 1.0 (− 1.1 to − 0.8)

− 1.0 (− 1.2 to − 0.9)

− 0.9 (− 1.0 to − 0.8)

0.169

 Longitudinal

− 0.8 (− 1.0 to − 0.7)

− 0.8 (− 0.9 to − 0.7)

− 0.7 (− 0.9 to − 0.6)

− 0.6 (− 0.7 to − 0.4)

0.159

PDSR (1/s)

 Radial

− 3.0 (− 3.6 to − 2.6)

− 1.8 (− 2.6 to − 1.4)*

− 2.6 (− 3.1 to − 1.7)*

− 1.9 (− 2.4 to − 1.6)*

 < 0.001

 Circumferential

1.3 (1.1 to 1.5)

1.1 (1.0 to 1.3)*

1.1 (0.9 to 1.4)*

1.1 (0.8 to 1.3)

0.004

 Longitudinal

1.0 (0.9 to 1.3)

0.8 (0.7 to 1.0)*

0.8 (0.6 to 1.0)*

0.6 (0.5 to 0.7)*†‡

 < 0.001

  1. Data given as the median (25th, 75th percentile), P value for trend between groups. Pairwise comparisons using Bonferroni correction: *p < 0.05 vs controls; p < 0.05 vs ASD; p < 0.05 vs EA without ASD. PS, peak strain; PSSR, peak systolic strain rate; PDSR, peak diastolic strain rate