Aortic Aneurysm Causes and Risk Factors: ageing, hypertension, aorta infection, aorta inflammation, atherosclersosis, marfan, bicuspid aortic valves, smoking | National Heart Centre Singapore
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Aortic Aneurysm
Aortic Aneurysm - Causes and Risk Factors
Causes of aortic aneurysms
While the exact cause of aortic aneurysms is unknown, ageing and chronic health conditions can lead to a weakening of the aortic wall, which can then bulge under the pressure of blood flowing through the aorta.
These chronic conditions include:
Hypertension or high blood pressure
Infection or inflammation in the aorta
Coronary atherosclerosis
(hardening of the arteries) due to diabetes, chronic smoking, high blood cholesterol or lipids
Genetic or
congenital
conditions, such as
Marfan’s
syndrome (a connective tissue disorder)
Risk factors of aortic aneurysm
An aortic aneurysm usually occurs in:
The middle-aged and elderly, of around aged 50 and above
Smokers bear a significantly higher risk
Screening for abdominal aortic aneurysms is recommended for current or past male smokers over the age of 65.
Congenital conditions, such as Marfan’s syndrome and
bicuspid aortic valves
, may also weaken aortic walls, diminishing their ability to withstand the sheer forces of blood flowing through them.
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Article contributed by
Department of Cardiothoracic Surgery
,
National Heart Centre Singapore
The information provided is not intended as medical advice.
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