Main CPET and PFT results from tests performed
| Variables | Pre-heart failure treatment | Post-heart failure treatment |
| CPET | ||
| Peak V′O2 mL·Kg−1·min−1 | 11.4 | 19.4 |
| Peak V′O2 % predicted | 48 | 76 |
| ΔV′O2/ΔWork mL·min−1·W−1 | 10.3 | 10.4 |
| Peak O2 pulse mL·beats−1 | 9.4 | 13.4 |
| Max workload W | 54 | 121 |
| V′E/V′CO2 slope | 33 | 28 |
| V′E/V′CO2 at AT | 45 | 33 |
| V′E/V′CO2 nadir | 41 | 31 |
| Peak V′E L·min−1 | 50 | 78 |
| Peak respiratory rate breaths·min−1 | 54 | 42 |
| Breathing reserve % | 3 | 14 |
| Peak SpO2 % | 89 | 95 |
| Peak RER | 0.91 | 1.24 |
| PFT | ||
| FVC L | 1.72 | 3.23 |
| FVC % predicted | 42 | 77 |
| FEV1 L | 1.50 | 2.59 |
| FEV1 % predicted | 47 | 81 |
| FEV1/FVC | 0.87 | 0.80 |
| DLCO mL·mmHg−1·min−1 | 13.4 | 22.4 |
| DLCO % predicted | 49 | 82 |
| DLCOadj mL·mmHg−1·min−1 | 12.6 | 21.0 |
| DLCOadj % predicted | 46 | 77 |
| DLCOadj/VA mL·mmHg−1·min−1·L−1 | 5.22 | 5.04 |
| DLCOadj/VA % predicted | 119 | 117 |
| VA L | 2.56 | 4.44 |
| VA % predicted | 38 | 67 |
SpO2: arterial oxygen saturation measured by pulse oximetry; RER: respiratory exchange ratio; DLCOadj: DLCO adjusted after correction for haemoglobin level.