Table 4 Results of the PC-MRI and FIESTA measurements in the CA

SV (μL)

80 ± 51

Evan’s index

0.37 ± 0.04

Cross-sectional area (mm²)

5.6 ± 3.2

Net flow (mL/min)

0.74 ± 0.71^a

Max flow (caudal) (mL/min)

21.6 ± 11.8^a

Min flow (cranial) (mL/min)

− 15.9 ± 9.8^a

Max flow-min flow (mL/min)

37.5 ± 21.3

Maximum flow ratio (Q_O/I)

1.32 ± 0.28

Time ratio r_O/I

0.85 ± 0.15

Net flow direction (+/−)^a

26/4