Case Control Study
Copyright ©The Author(s) 2022.
World J Clin Pediatr. Jan 9, 2022; 11(1): 71-84
Published online Jan 9, 2022. doi: 10.5409/wjcp.v11.i1.71
Table 2 Echocardiographic data of children with dilated cardiomyopathies and control group
Variables (mean ± SD)
Children with DCM (n = 50)
Controls (n = 50)
t
P value
LV echocardiographic parameters
Auto LV EF (speckle tracking)43.4 ± 11.765.2 ± 7.6110.00011
Sphericity index1.2 ± 0.351.6 ± 0.36.20.00011
Presence of mitral regurgitation, n (%)43 (86)1 (2)ZS: 6.60.00011
Mitral annulus systolic velocity (cm/sec)3.7 ± 1.16.933 ± 0.78516.90.00011
Mitral annulus e´/a´ ratio1.15 ± 0.41.540 ± 0.2465.80.00011
LV IVRT 75.0 ± 18.3 64.0 ± 7.2 40.00011
LV MPI1.9± 0.30.4 ± 0.084230.00011
LV GLS-12.7 ± 4.9-24.4 ± 1.6160.00011
RV echocardiographic parameters
4D RV EF 32.2 ± 10.546.2 ± 10.78.70.00011
Tricuspid annulus S wave (cm/sec)4.42 ± 0.826.9 ± 0.8150.00011
Tricuspid annulus e´/a´ ratio1.17 ± 0.251.52 ± 0.36.340.00011
RV MPI0.86 ± 0.160.40 ± 0.0818.20.00011
Mean pulmonary pressure (mmHg)28.5 ± 621 ± 47.40.00011
TAPSE (mm)12.00 ± 3.5619.30 ± 2.512.50.00011
RV GLS-10.34 ± 4.6-24.30 ± 2.918.50.00011
RV apical strain -13.3 ± 4.3-26.70 ± 1.3210.00011
RV mid strain-12.4 ± 3.9-23.20 ± 1.717.90.00011
RV basal strain-13.7 ± 4.8-25.30 ± 1.516.30.00011