Table 3.
Exercise Hemodynamics
| Healthy Controls (n=20) | Fontan Patients (n=10) | P Value | |
|---|---|---|---|
| Heart rate, bpm | 155±13 | 144±15 | 0.047 |
| EDVi, mL/m2 | 104±18 | 96±16 | 0.237 |
| ESVi, mL/m2 | 32±9 | 44±17 | 0.013 |
| SVi, mL/m2 | 72±12 | 52±9 | <0.001 |
| Ejection fraction, % | 69.7±5.4 | 54.8±10.9 | 0.002 |
| CI, L/min per m2 | 11.0±2.0 | 7.4±1.7 | <0.001 |
| mPAP, mm Hg | 27±7 | 21±5 | 0.022 |
| mSAP, mm Hg | 121±13 | 106±5 | <0.001 |
| tPVR, dynes·s/cm5 | 104±43 | 137±45 | 0.068 |
| tSVR, dynes·s/cm5 | 467±126 | 710±164 | <0.001 |
| SatO2, % | 97.0±2.7 | 94.3±1.2 | 0.005 |
| SatcvO2, % | 41.0±10.7 | 49.1±8.7 | 0.056 |
CI indicates cardiac index; EDVi, end‐diastolic volume index; ESVi, end‐systolic volume index; mPAP, mean pulmonary artery pressure; mSAP, mean systemic arterial pressure; SatcvO2, central venous oxygen saturation; SatO2, arterial oxygen saturation; SVi, stroke volume index; tPVR, total pulmonary vascular resistance; tSVR, total systemic vascular resistance.