Cardiopulmonary exercise testing at diagnosis and 3 months after the last BPA
| Diagnosis (N=18) | After last BPA (N=18) | p Value | |
|---|---|---|---|
| Peak VO2, mL/kg/min | 13.6±5.6 | 17.0±6.5 | <0.001 |
| % Of predicted | 53±17 | 67±22 | 0.002 |
| Peak Watts | 86±54 | 111±66 | 0.001 |
| % Of predicted | 53±25 | 76±31 | <0.001 |
| Exercise duration, min | 6.5±3.2 | 9.2±3.3 | 0.017 |
| Peak HR, beats/min | 133±20 | 148±28 | 0.043 |
| % Of predicted | 83±14 | 91±13 | 0.033 |
| Peak O2 pulse, mL/beat | 8.8±4.6 | 11.2±4.8 | 0.004 |
| % Of predicted | 64±17 | 81±20 | 0.008 |
| Peak SBP, mm Hg | 158±31 | 166±40 | 0.324 |
| Peak DBP, mm Hg | 92±14 | 89±13 | 0.571 |
| VE/VCO2 slope | 41±9 | 34±8 | 0.002 |
| RER | 1.10±0.07 | 1.17±0.11 | 0.021 |
BPA, balloon pulmonary angioplasty; DBP, diastolic blood pressure; RER, respiratory exchange ratio; SBP, systolic blood pressure; VE, ventilatory efficiency; VO2, oxygen consumption; VCO2, carbon dioxide production.