Arterial Aneurysms
Definition of aneurysm What is an aneurysm?
Aneurysms, defined as an increase in size of more than 50% of the normal arterial diameter, may occur anywhere in the aorta, from the aortic root to the bifurcation
Classification True aneurysm False aneurysm Dissection aneurysm
Abdominal Aortic Aneurysm (AAA)
Abdominal aortic aneurysm is not scarce incidence is increasing: 2% of the elderly population!
Segment of the aneurysm is below the renal arteries - infrarenal AAA Segment of the aneurysm is above the renal arteries - TAAA (thoracoabdominal )
artherosclerosis defect of structure in AA vessel wall Infiltration of inflammatory cell Genetic factor above-mentioned factor result in the damage and degeneration of elastic and collagen fibers,induce the formation of AAA Etiology of AAA
