Thoracic Aortic Aneurysm
An aneurysm is an abnormal widening of a blood vessel. In this
case, the blood vessel is in the aorta. This is the main blood vessel that
supplies blood to the rest of the body. The thoracic aorta is the part of the
aorta that travels through the chest.
What is going on in the body?
A weakening of the wall of the aorta can cause it to widen or swell. The larger the aneurysm, the more pressure it puts on the nearby tissues and the greater the risk of rupture. An artery that ruptures or bursts open is an emergency that often causes death.
What are the causes and risks of the disease?
Causes of thoracic aortic aneurysm include:
hardening and narrowing of the arteries, known as atherosclerosis
genetic diseases that cause weakness of the tissues that make up the
aorta
late stage syphilis, a sexually
transmitted disease
other infections or inflammation of the aorta
chest trauma, such as a crush
injury
In many cases, the cause is not known.
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