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Table 3 Relationship between exercise testing and RV and LV function/volume in TOF patients (n = 36)

From: Assessment of left ventricular preload by cardiac magnetic resonance imaging predicts exercise capacity in adult operated tetralogy of Fallot: a retrospective study

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)
  1. Pearson correlation coefficient, r, with 95% CI shown.
  2. *p < 0.05.
  3. **p < 0.01.