Pulmonary artery pressure at rest and after exercise in systemic sclerosis patients with (ILD+) and without (ILD−) mild to moderate interstitial lung disease
| ILD+ | ILD− | p Value | |
| Rest | |||
| PASP (mm Hg) | 27.0±5.0 | 25.9±5.4 | 0.25 |
| Exercise | |||
| HR max (bpm) | 128±15 | 131±16 | 0.83 |
| Workload (Watts) | 78±24 | 84±26 | 0.27 |
| PASP (mm Hg) | 39.7±9.3 | 36.0±8.4 | 0.016 |
| ΔPASP (mm Hg) | 12.7±6.6 | 10.1±5.5 | 0.012 |
| ΔPASP/ΔCI (mm Hg/l/min/m2) | 5.4±3.6 | 4.2±3.3 | 0.041 |
CI, cardiac index; ΔCI, difference between CI immediately after exercise and baseline CI; HR max, maximum heart rate; PASP, pulmonary artery systolic pressure; ΔPASP, difference between PASP immediately after exercise and baseline PASP.