Using CT angiography to establish incidence of aortic arch variations and its contribution to cerebral vascular disease

In this study we review CT scans of patients at University hospital Galway. We look at patient images to review different anatomy of the main artery in the chest (aorta). The aorta branches into smaller arteries which supply the brain with blood.
The aim of the study is to establish the incidence of aorta variations in the chest and to discover whether these variations lead to increased risk of brain bleeds.