Biomedical Engineering Reference
In-Depth Information
Figure 5.1:
Three-dimensional model of the Circle of Willis. Image courtesy of
Dr. Juan R. Cebral, George Mason University. (Color Slide)
posterior communicating aneurysms are usually located at the ICA, near the
origin of the PCoA.
The prevalence of unruptured cerebral aneurysms is unknown, but it is esti-
mated to be as high as 5% of the population [1]. The most serious complication
of a brain aneurysm is its rupture and the consequent aneurysmal subarachnoid
hemorrhage (SAH) with an incidence of sudden death of the 12
.
4% and rates
(a)
(b)
Figure 5.2: Models of aneurysm. (a) Saccular aneurysm. (b) Non-saccular
(fusiform) aneurysm.
