| Referral: July 2007 | Sildenafil + bosentan for 3 months: Sept 2008 | Sildenafil + bosentan for 2 yrs: Sept 2010 | |
| Pra mmHg | 7 | 5 | 8 |
| P̄pa mmHg | 62 | 55 | 60 |
| Ppcw mmHg | 5 | 6 | 4 |
| Cardiac output L·min−1 | 2.9 | 4.2 | 3.4 |
| Cardiac index L·min−1·m−2 | 1.6 | 2.3 | 1.9 |
| PVR dyn·s·cm−5 | 1572 | 933 | 1318 |
| Sv,O2 % | 56 | 66 | 61 |
Pra: right artery pressure; P̄pa: mean pulmonary artery pressure; Ppcw: pulmonary capillary wedge pressure; PVR: pulmonary vascular resistance; Sv,O2: mixed venous oxygen saturation.