Table 3.
Haemodynamic characteristics on right heart catheterization
| All patients (n = 63) |
PAH patients (n = 35) |
No PH patients (n = 28) |
P value | |
|---|---|---|---|---|
| Mean PAP, mmHgb | 31.0 (21.0 to 44.0) | 42.0 (33.0 to 50.0) | 20.5 (17.0 to 23.0) | <0.001 |
| PAWP, mmHga | 9.6 (± 4.0) | 9.7 (± 4.8) | 9.5 (± 3.4) | 0.90 |
| RAP, mmHgb | 5.0 (2.5 to 8.5) | 5.0 (3.0 to 10.0) | 4.5 (2.0 to 7.0) | 0.14 |
| TPG, mmHga | 20.0 (± 13.4) | 31.4 (± 11.8) | 10.6 (± 3.9) | <0.001 |
| Cardiac output, L/minb | 3.5 (2.9 to 4.5) | 3.4 (2.8 to 4.0) | 3.9 (2.9 to 5.1) | 0.05 |
| PVR, WUa | 6.6 (± 4.8) | 9.9 (± 4.6) | 3.2 (± 1.6) | <0.001 |
| SVR, WUa | 26.9 (± 10.3) | 28.6 (± 9.7) | 25.2 (± 11.0) | 0.42 |
| SvO2, %a | 66.3 (± 8.1) | 61.8 (± 8.3) | 71.0 (± 4,7) | <0.001 |
| SaO2, %a | 93.5 (± 4.0) | 91.2 (± 3.7) | 96.1 (± 2.5) | <0.001 |
PAH pulmonary arterial hypertension, PH pulmonary hypertension, PAP pulmonary artery pressure, PAWP pulmonary artery wedge pressure, RAP right atrial pressure, TPG transpulmonary pressure gradient, PVR pulmonary vascular resistance, WU Wood units, SVR systemic vascular resistance, SvO2 mixed venous oxygen saturation, SaO2 arterial oxygen saturation. aData are shown as mean (± SD). bData are shown as median (IQR)