Table 3.
Two-dimensional/Doppler echocardiography and TDI RV analysis parameters
| eHT group (n = 45) | Control group (n = 45) | p value | Reference range | |
|---|---|---|---|---|
| RVEF, % | 68.8 ± 5.9 | 69.1 ± 6.8 | 0.42 | 43 – 65 |
| Fractional shortening, % | 37.4 ± 4.7 | 37.2 ± 4.3 | 0.82 | 32 – 60 |
| RVEDD, mm | 26.0 ± 3.4 | 27.1 ± 2.2 | 0.08 | 2.7 – 3.3 |
| RVESD, mm | 16.8 ± 3.1 | 17.6 ± 2.4 | 0.19 | – |
| E, m/s | 0.7 (0.6, 0.7) | 0.7 (0.6, 0.7) | 0.18 | 0.6 – 1.2 |
| A, m/s | 0.5 ± 0.1 | 0.4 ± 0.1 | 0.03 | 0.4 – 0.8 |
| E/A ratio | 1.4 (1.2, 1.5) | 1.5 (1.3, 1.7) | 0.01 | 1 – 2 |
| TAPSE, cm | 2.0 ± 0.3 | 2.2 ± 0.2 | <0.001 | 1.5 – 2.0 |
| PAcT, ms | 124.3 ± 22.6 | 149.4 ± 18.3 | <0.001 | >130 |
| ET, ms | 275.3 ± 26.0 | 284.8 ± 36.0 | 0.14 | – |
| IVRT, ms | 42.9 ± 18.7 | 36.2 ± 18.4 | 0.11 | 60 – 100 |
| IVCT, ms | 66.8 ± 26.1 | 44.7 ± 21.5 | 0.001 | – |
| RV-Tei index | 0.40 ± 0.11 | 0.28 ± 0.07 | <0.001 | 0.26 ± 0.08 |
| E’, cm/s | 15.5 ± 3.9 | 17.2 ± 4.2 | 0.03 | 10.1 – 20.9 |
| A’, cm/s | 12.9 ± 3.8 | 11.1 ± 3.3 | 0.007 | – |
| S’, cm/s | 15.3 ± 3.3 | 15.9 ± 2.7 | 0.32 | 6.7 – 14.6 |
| E’/A’ ratio | 1.3 ± 0.6 | 1.6 ± 0.5 | 0.001 | 1 – 2 |
| Right atrial dimension, mm | 30.1 ± 9.2 | 28.1 ± 9.1 | 0.79 | 28 – 46 |
| Right atrial maximal volume, ml/m2 | 31.69 ± 11.5 | 23.7 ± 5.4 | 0.002 | 12 – 35 |
Values are presented as median ± SD or median (IQR). RVEF = RV ejection fraction; RVEDD = RV end-diastolic diameter; RVESD = RV end-systolic diameter.