Moving beyond size: vorticity and energy loss are correlated with right ventricular dysfunction and exercise intolerance in repaired Tetralogy of Fallot

Table 4 Subgroup correlation analysis of repaired retralogy of Fallot (rTOF) patients with exercise stress test results (n = 19)

	VO_2-max	p	% Predicted VO_2-max	p
Conventional
RVEF (%)	− 0.291	ns	0.259	ns
PR%	− 0.192	ns	− 0.267	ns
RVEDVI (mL/m²)	0.252	ns	− 0.046	ns
RVESVI (mL/m²)	0.313	ns	− 0.166	ns
QRS (ms)	− 0.235	ns	− 0.069	ns
Vorticity
ω_{RVOT-Diastole}	− 0.434	ns	− 0.5497	0.016
RVOT-VQ (ω_{RVOT-Diastole}/ω_RVOT-Systole)	− 0.587	0.008	− 0.678	0.001
RV-DVQ (ω_{RVOT-Diastole}/ω_{RV Inflow-Diastole})	− 0.266	Ns	− 0.641	0.003
Energy Loss
VEL_{RVOT-Diastole}	− 0.497	0.03	− 0.375	ns
RVOT-EQ (VEL_{RVOT-Diastole}/VEL_RVOT-Systole)	− 0.617	0.005	− 0.6902	0.001

ISSN: 1532-429X