Table 3.
Comparison of RV echocardiographic structural and functional parameters between the CTEPH patient and control groups
| Parameters | CTEPH group (n = 8) | Control group (n = 8) | P |
|---|---|---|---|
| RV structural parameters | |||
| RVD (mm) | 44.25 ± 7.25 | 32.04 ± 2.26 | 0.002 |
| LVD (mm) | 33.88 ± 2.90 | 35.25 ± 2.38 | 0.317 |
| RVD/LVD | 1.31 ± 0.26 | 0.91 ± 0.04 | 0.001 |
| EI | 1.36 ± 0.12 | 1.06 ± 0.29 | < 0.001 |
| Dmpap (mm) | 30.68 ± 5.49 | 25.37 ± 1.50 | 0.020 |
| RV function parameters | |||
| RVLS (%) | −17.13 ± 3.01 | −23.80 ± 3.06 | 0.001 |
| TAPSE (mm) | 16.50 ± 2.76 | 19.91 ± 1.48 | 0.008 |
| RV FAC (%) | 28.28 ± 8.66 | 41.62 ± 2.44 | 0.003 |
| RIMP | 0.72 ± 0.21 | 0.47 ± 0.04 | 0.005 |
| S’ (cm/s) | 8.95 ± 1.15 | 13.02 ± 2.33 | 0.001 |
Data are expressed as mean ± SD. P values < 0.05 indicate statistically significant difference between patients and control groups and are emphasized in bold
RVD right ventricular diameter, LVD left ventricular diameter, EI eccentricity index, Dmpap main pulmonary artery diameter, RVLS RV longitude strain, TAPSE tricuspid annular plane systolic excursion, RVFAC RV fractional area change, RIMP RV index of myocardial performance