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Table 4 Correlation analysis of mean right atrial (RA) and right ventricular (RV) strain parameters with invasively obtained hemodynamic parameters

From: Associations of 2D speckle tracking echocardiography-based right heart deformation parameters and invasively assessed hemodynamic measurements in patients with pulmonary hypertension

 PH (n = 45)Non-PH (n = 33)
ParametermPAPPCWPmPAPPCWP
correlation coefficientp valuecorrelation coefficientp valuecorrelation coefficientp valuecorrelation coefficientp value
RA area0.2970.0500.1890.2190.0430.8140.2810.126
RVED area0.3820.0120.3890.0100.1060.5980.1420.489
RVES area0.2710.0780.3380.027− 0.0260.8990.0260.900
FAC0.0890.5720.1300.4070.1570.4340.0310.882
RV base diameter0.3460.0230.3180.0380.0510.7920.2130.277
RV mid diameter0.2510.1040.1880.227−0.1820.3430.1820.355
RV apex-base diameter0.0770.6260.1040.507− 0.0730.705− 0.2580.184
TAPSE0.3780.0100.1810.2330.2450.1540.3100.085
RV-S′0.3230.0370.1660.2940.4530.10−0.0690.717
RVOT VTI−0.3640.019−0.2220.160.3770.0440.0590.77
RV-e‘0.2000.200.1320.400.4550.0090.2690.14
RV-a‘−0.4550.009−0,2750.13−0,1040.58−0.1110.56
RA strain parameters
 RAS−0.4700.001−0.2960.048−0.0170.923−0.1770.334
 Conduit function *−0.3420.065−0.1710.3660.2590.175−0.0190.924
Contractile function *−0.3350.071−0.2420.1980.0450.818−0.0180.927
RV strain parameters
 RVS0.4900.0010.3650.015−0.1300.520−0.0520.802
 Basal strain0.3950.0090.1310.4040.0620.763−0.3070.135
 mid strain0.4430.0030.2600.092−0.1800.378−0.0240.910
 Apical strain0.4610.0020.3480.220−0.2980.1390.2420.244
 Free Wall0.4660.0020.2580.094−0.2770.265−0.0610.773
  1. PH, pulmonary hypertension; mPAP, mean pulmonary artery pressure; PCWP, pulmonary capillary wedge pressure; RA, right atrial; RV, right ventricular; RVED and RVES, RV end diastolic and end systolic; FAC, fractional area change; TAPSE, tricuspid annular plane systolic excursion; RV-S′, RV peak systolic velocity; RAS, mean right atrial reservoir strain; * = atrial fibrillation, RA conduit and contraction function was only calculated for 59 patients (PH n = 30, non-PH n = 29); RVS = mean right ventricular strain