Table 2.
Parameters of right heart function
| Parameter | Abnormality threshold5,10,12,16–25 | Mean ± SD | Feasibility (%) n = 1077 |
|---|---|---|---|
| TAPSE (cm) | <1.7 | 1.9 ± 0.49 | 82.7 |
| PW Doppler s’ (cm/s) | <9.5 | 11.7 ± 3.0 | 87.2 |
| RV FAC (%) | <35 | 34.9 ± 10.4 | 84.3 |
| PW Doppler MPI | >0.40 | 0.43 ± 0.22 | 56.7 |
| Tissue Doppler MPI | >0.55 | 0.57 ± 0.29 | 73.8 |
| 2D RV free wall strain (three-segment) (%) | >–21 | –20.7 ± 6.5 | 69.3 |
| 2D RV strain (six-segment) (%) | >–20 | –19.1 ± 5.5 | 67.7 |
| 3D RVEF (%) | <45 | 43.6 ± 11.6 | 18.5a |
a
3D EF performed in 46% (n = 485; 199 adequate for RV volumes and RVEF).