4D flow CMR | n | KEnorm_flow | ELnorm_flow |
---|
Total TCPC | 28 | 0.260 (0.068) | 0.075 (0.022) |
Segmental analysis | Â | KEnorm_flow+length | ELnorm_flow+length |
---|
Fontan tunnel | 35 | 0.034 (0.011) | 0.0087 (0.0029) |
SVC | 31 | 0.023 (0.007) | 0.0065 (0.0024) |
LPA | 46 | 0.040 (0.018) | 0.012 (0.005) |
RPA | 49 | 0.031 (0.01) | 0.0081 (0.0032) |
Fontan confluence | 56 | 0.094* (0.041) | 0.031* (0.013) |
- Values are reported as mean (standard deviation). KEnorm_flow and ELnorm_flow. KEnorm_flow in mJ per L/min and ELnorm_flow in mW per L/min. KEnorm_flow+length in mJ per L/min per cm segment, ELnorm_flow+length in mW per L/min per cm segment. LPA/RPA; left/right pulmonary artery, SVC, superior vena cava; TCPC, total cavopulmonary connection; KE, kinetic energy; EL, viscous energy loss rate. * Energetic values for the Fontan confluence are normalized for flow only and thereby not directly comparable with energetics in the other four segments