Table 2.
Functional outcome
| Parameter | Before | After | P value |
|---|---|---|---|
| Cardiac magnetic resonance imaging | |||
| Pulmonary regurgitant fraction (%) | 20 ± 6 | 2 ± 1 | <.05 |
| RV end-diastolic volume (mL · beat−1 · m−2) | 91 ± 13 | 78 ± 12 | <.01 |
| RV end-systolic volume (mL · beat−1 · m−2) | 41 ± 10 | 34 ± 11 | .06 |
| Effective RV stroke volume (mL · beat−1 · m−2) | 39 ± 3 | 43 ± 2 | .11 |
| RV ejection fraction (%) | 59 ± 4 | 62 ± 5 | .43 |
| Cardiopulmonary exercise testing | |||
| Peak oxygen consumption (mL · kg−1 · min−1) | 25.4 ± 2.3 | 30.8 ± 3.0 | <.01 |
| Maximum workload (W) | 128 ± 11 | 150 ± 13 | <.01 |
| Anaerobic threshold (mL · kg−1 · min−1) | 13.6 ± 1.3 | 15.0 ± 1.3 | <.05 |
| Respiratory exchange ratio | 1.10 ± 0.04 | 1.10 ± 0.02 | .95 |
All data are mean ± SEM. RV, Right ventricle.