Table 3 Relationship between exercise testing and RV and LV function/volume in TOF patients (n = 36)
CMR parameters | CPET parameters | |||||||
|---|---|---|---|---|---|---|---|---|
Max breathing reserve | Mets | % predicted mets | Peak oxygen consumption | % Predicted peak oxygen consumption | Anaerobic threshold | Oxygen pulse pressure | VE/VCO2slope | |
RVEDVi | 0.15 (-0.20, 0.46) | 0.36 (0.03, 0.62)* | 0.31 (-0.04, 0.59) | 0.35 (0.03, 0.61)* | 0.24 (-0.10, 0.52) | -0.03 (-0.36, 0.31) | -0.02 (-0.35, 0.31) | -0.15 (-0.46, 0.20) |
RVESVi | 0.25 (-0.10, 0.54) | 0.35 (0.01, 0.61)* | 0.28 (-0.07, 0.57) | 0.31 (-0.02, 0.58) | 0.18 (-0.16, 0.48) | 0.12 (-0.23, 0.44) | -0.08 (-0.40, 0.26) | -0.16 (-0.47, 0.19) |
RVEF | -0.31 (-0.59, 0.03) | -0.16 (-0.47, 0.18) | -0.10 (-0.43, 0.25) | -0.12 (-0.43, 0.22) | -0.01 (-0.34, 0.32) | -0.25 (-0.54, 0.10) | 0.15 (-0.19, 0.46) | 0.09 (-0.26, 0.42) |
RVSVi | -0.13 (-0.45, 0.22) | 0.16 (-0.18, 0.47) | 0.18 (-0.17, 0.50) | 0.18 (-0.15, 0.48) | 0.18 (-0.15, 0.48) | -0.26 (-0.55, 0.09) | 0.10 (-0.23, 0.42) | -0.05 (-0.38, 0.29) |
Effective RVSVi | -0.18 (-0.49, 0.16) | 0.53 (0.24, 0.73)** | 0.45 (0.13, 0.69)** | 0.53 (0.24, 0.73)** | 0.53 (0.24, 0.73)** | 0.20 (-0.15, 0.50) | 0.28 (-0.06, 0.55) | -0.12 (-0.44, 0.23) |
PR Fraction | 0.07 (-0.27, 0.40) | -0.33 (-0.60, 0.004) | -0.24 (-0.54, 0.12) | -0.30 (-0.57, 0.03) | -0.33 (-0.59, 0.002) | -0.40 (-0.65, -0.07)* | -0.18 (-0.48, 0.16) | 0.02 (-0.32, 0.36) |
LVEDVi | 0.19 (-0.16, 0.50) | 0.39 (0.06, 0.64)* | 0.05 (-0.30, 0.38) | 0.35 (0.03, 0.61)* | 0.11 (-0.23, 0.42) | 0.23 (-0.12, 0.53) | -0.02 (-0.35, 0.31) | -0.11 (-0.43, 0.24) |
LVESVi | 0.18 (-0.17, 0.49) | 0.27 (-0.07, 0.55) | -0.06 (-0.40, 0.29) | 0.23(-0.11, 0.52) | -0.05 (-0.37, 0.28) | 0.20 (-0.15, 0.50) | -0.03 (-0.36, 0.30) | -0.02 (-0.36, 0.32) |
LVEF | -0.07 (-0.40, 0.28) | -0.06 (-0.39, 0.28) | 0.13 (-0.22, 0.45) | -0.04 (-0.36, 0.29) | 0.19 (-0.15, 0.49) | -0.13 (-0.45, 0.22) | 0.04 (-0.29, 0.36) | -0.09 (-0.42, 0.26) |
LVSVi | 0.11(-0.23, 0.43) | 0.37 (0.04, 0.62)* | 0.18 (-0.17, 0.50) | 0.35 (0.02, 0.61)* | 0.28(-0.05, 0.56) | 0.15 (-0.20, 0.47) | 0.01 (-0.32, 0.34) | -0.20 (-0.50, 0.15) |