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Table 3 Correlations between 2D echocardiography derived right ventricular function parameters and right ventricular global and regional mechanics assessed using 3D echocardiography in rToF patients

From: Global and regional right ventricular mechanics in repaired tetralogy of Fallot with chronic severe pulmonary regurgitation: a three-dimensional echocardiography study

RV function parameters RV longitudinal EF RV
radial EF
RV antero-posterior EF 3D RV global LS (%) 3D RV septal LS (%) 3D RV FW LS (%) 3D RV global CS (%) 3D RV septal CS (%) 3D RV FW CS (%)
TAPSE (mm) r = 0.433* r = 0.046 r = 0.085 r = 0.705* r = 0.450* r = 0.633* r = 0.036 r = 0.173 r = 0.097
RV FW S′ (cm/s) r = 0.415* r = 0.416* r = 0.050 r = 0.544* r = 0.275 r = 0.484* r = 0.104 r = 0.001 r = 0.001
RV FAC (%) r = -0.173 r = 0.726* r = 0.390* r = 0.161 r = 0.374* r = 0.158 r = 0.558* r = 0.142 r = 0.531*
2D RV global LS (%) r = 0.360 r = 0.109 r = 0.225 r = 0.448* r = 0.305 r = 0.518* r = 0.489* r = 0.378* r = 0.506*
2D RV FW LS (%) r = 0.480* r = 0.003 r = 0.015 r = 0.513* r = 0.135 r = 0.483* r = 0.262 r = 0.241 r = 0.267
2D RV septal LS (%) r = 0.182 r = 0.269 r = 0.253 r = 0.192 r = 0.498* r = 0.379* r = 0.414* r = 0.440* r = 0.398*
3D RV EF (%) r = 0.388* r = 0.694* r = 0.606* r = 0.629* r = 0.625* r = 0.531* r = 0.555* r = 0.361* r = 0.498*
  1. 2D two-dimensional, 3D three-dimensional, CS circumferential strain, EF ejection fraction, FAC fractional area change, FW free wall, LS longitudinal strain, rToF repaired tetralogy of Fallot, RV right ventricular, TAPSE tricuspid annular plane systolic excursion. *p < 0.05