RT Journal Article
SR Electronic
T1 Analysis of Slipstream Flow in Two Ruptured Intracranial Cerebral Aneurysms
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 1703
OP 1705
VO 20
IS 9
A1 Imbesi, Steven G.
A1 Kerber, Charles W.
YR 1999
UL http://www.ajnr.org/content/20/9/1703.abstract
AB Summary: Replicas of ruptured posterior communicating and basilar artery aneurysms were created from cadaveric specimens and then were placed in a circuit of pulsating non-Newtonian fluid. Individual fluid slipstreams were opacified with isobaric dyes, and images were recorded on film. The slipstreams entered the distal aneurysm neck with impact against the distal lateral wall of the aneurysm. They then swirled slowly in a reverse vortical pattern within the aneurysm sac. Fluid exited the aneurysm at the proximal neck. The flow pattern clearly shows the impact zone of entering slipstreams (the point of aneurysm rupture) and provides information pertaining to aneurysm growth and formation.