Ophthalmic
transorbit 40-60 mm antegrade 21 +/- 5 cm/s medial
PCA
transtemp 60-70mm antegrade 39 +/- 10 cm/s posterior
BA
transforam 80-120mm retrograde 41 +/- 10 cm/s midline
MCA
transtemp 30-60mm antegrade 55+/- 12 cm/s anterior and superior
ICA at siphon
transorbit 60-80mm parasellar: antegrade supraclinoid: retrograde genu: bi-directional 47 +/- 14 cm/s varies
ACA
transtemp 60-80mm retrograde 50 +/- 11 cm/s anterior and superior
VA
transforam 60-90mm retrograde 38 +/- 10 cm/s rt and lt of midline
terminal ICA
transtemp 55-65mm bi-directional 55 +/- 12 cm/s anterior and superior