Table 3.
Baseline hemodynamics.
| Control (n = 25) | SSc (n = 25) | P value | |
|---|---|---|---|
| RAP (mmHg) | 4 ± 1 | 4 ± 2 | 0.49 |
| RV systolic pressure (mmHg) | 28 ± 6 | 30 ± 6 | 0.27 |
| Systolic PAP (mmHg) | 27 ± 6 | 29 ± 6 | 0.15 |
| Mean PAP (mmHg) | 18 ± 3 | 19 ± 3 | 0.10 |
| Diastolic PAP (mmHg) | 11 ± 2 | 12 ± 3 | 0.6 |
| PAWP (mmHg) | 8 ± 2 | 9 ± 3 | 0.58 |
| PAWP–RAP (mmHg) | 4 ± 2 | 4 ± 2 | 0.90 |
| Cardiac index (L/min·m2) | 3.3 ± 0.5 | 3.3 ± 0.5 | 0.83 |
| PVR (Wood Units) | 1.8 ± 0.7 | 2.0 ± 0.9 | 0.23 |
| TPG (mmHg) | 9 ± 3 | 11 ± 3 | 0.21 |
| DPG (mmHg) | 3 ± 2 | 3 ± 3 | 0.21 |
Continuous variables are expressed as mean ± standard deviation.
P < 0.05 vs. Control.
DPG, diastolic pressure gradient; PAP, pulmonary artery pressure; PAWP, pulmonary artery wedge pressure; PVR, pulmonary vascular resistance; RAP, right atrial pressure; RV, right ventricular; SSc, systemic sclerosis; TPG, transpulmonary pressure gradient.