Abstract
A cerebral aneurysm is circumscribed dilation of an intracranial artery and can be a cause of subarachnoidal hemorrhage which is a fatal disease when the aneurysm is ruptured. Some clinical data have suggested that the shape of the aneurysm affects the rupture. However, the relationship between the shape and the rupture has not been revealed. In this study, the hemodynamics in the aneurysm was computed in order to evaluate clinical data. As a result, the difference of dynamic effect in aneurysm was caused by difference of the shape of the aneurysm. Therefore,There is a possibility that shape of aneurysm and the rapture are related. In addition, it is necessary to make sure these results of numerical analysis by conducting an experiment.
