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Hypertension is the most common predisposing factor for aortic dissection overall, whereas younger patients are more likely to have genetic or structural predispositions such as Marfan syndrome or bicuspid aortic valve.
ardiovascular disease is the leading cause of death in Western society and is on the rise in developing countries. Aortic diseases constitute an emerging share of the burden. ] Propagation of the dissection can proceed in anterograde or retrograde fashion from the initial tear involving side branches and causing complications such as malperfusion syndromes, tamponade, or aortic valve insufficiency. Common predisposing factors in the International Registry of Aortic Dissection (IRAD) were hypertension in 72% of cases, followed by atherosclerosis in 31% and previous cardiac surgery in 18% (table Analysis of the young patients with dissection (,40 years of age) revealed that younger patients were less likely to have a history of hypertension (34%) or atherosclerosis (1%), but were more likely to have Marfan syndrome, bicuspid aortic valve, and/or prior aortic surgery.
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Christoph Nienaber (2007) studied this question.
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