Table 2.
Right heart structural and functional parameters (standard echocardiography, mean ± SD).
| Parameter | PAH | Controls | P value |
|---|---|---|---|
| RV transversal diameter (mm) | 44.8 ± 7.3 | 30.9 ± 3.2 | 0.01 |
| RA transversal diameter (mm) | 42.8 ± 6.2 | 35.0 ± 4.1 | 0.01 |
| RV free wall (mm) | 6.4 ± 2.3 | 4.0 ± 1.3 | 0.05 |
| TAPSE (mm) | 16.2 ± 5.9 | 23.9 ± 2.3 | 0.01 |
| FAS (%) | 42.8 ± 5.6 | 31.7 ± 6.5 | 0.01 |
| PA (mm) | 71.8 ± 42.9 | 107.8 ± 17.5 | 0.01 |
| mPAP (mmHg) | 47.9 ± 8.4 | 16.8± 9.1 | 0.01 |
| sPAP (mm Hg) | 92.6 ± 28.1 | 22.7 ± 7.7 | 0.01 |
| Tricuspid E/A ratio | 1.2 ± 0.5 | 0.8 ± 0.2 | 0.05 |
| Cardiac index (ml/min/m2) | 2.3 ± 1.2 | 3.0 ± 0.9 | 0.05 |
* RV = right ventricle; RA = right atrium; TAPSE = tricuspid annular plane systolic excursion; sPAP = systolic pulmonary artery pressure; mPAP = mean pulmonary artery pressure.