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Table 2 Comparison of conventional echocardiographic parameters between normal controls and PAH patients

From: Deformation pattern and predictive value of right ventricular longitudinal strain in children with pulmonary arterial hypertension

Variable Control (n = 21) PAH (n = 25) P
PAPm (mmHg) NA 62.83 ± 17.42 NA
TR (mmHg) NA 93.76 ± 24.52 NA
sRV pressure (mmHg) NA 104.80 ± 30.82 NA
Pericardial effusion NA 7/25 (28 %) NA
RV-FAC (%) 45.36 ± 5.60 37.24 ± 13.12 0.008
Indexed RV end-diastolic area (cm2) 9.82 (9.23,12.05) 15.88 ± 5.07 0.0001
Indexed RV end-systolic area (cm2) 5.79 ± 1.18 10.22 ± 4.69 0.0001
RV MPI 0.12 ± 0.07 0.32 (0.24,0.51) 0.0001
TAPSE (cm) 2.19 ± 0.47 1.79 ± 0.60 0.019
RV S/D ratio 0.82 (0.81,1.03) 1.30 ± 0.33 0.0001
Indexed RA area (cm2) 8.41 ± 1.32 11.87 (9.53,14,57) 0.0001
Tej (ms) 319.01 ± 33.45 273.05 ± 31.04 0.0001
LV-EI 1.02 (0.97,1.04) 1.33 (1.21,1.56) 0.0001
S’ (cm/s) 13.62 ± 1.78 11.75 ± 3.53 0.026
LV-EF 69.00 ± 4.71 71.20 ± 9.88 0.330
  1. Data are presented as means ± SD or median (25th, 75th percentiles)
  2. FAC fractional area change, LV-EF left ventricular ejection fraction, LV-EI left ventricular eccentricity index, MPI myocardial performance index, PAH pulmonary arterial hypertension, PAPm mean pulmonary arterial pressure, RA right atrium, RV right ventricle, S’ tricuspid annular systolic velocity, S/D ratio systolic/diastolic ratio, sRV pressure systolic right ventricular pressure, TAPSE tricuspid annular plane systolic excursion, Tej pulmonary ejection time, TR tricuspid regurgitation