is no longer in the circulation.
So in summary, aneurysms commonly occur in
the abdominal aorta and they can be fatal
if they rupture. Thoracic aortic aneurysms
are less common but they also can rupture.
An aneurysm is characterized by an abnormal
dilation of a blood vessel to greater than
1.5 times its normal size and again in the
abdominal aorta which is the commonest site
for aneurysms generally anything above 2.5
cm in diameter is a start of an aneurysm.
And as we have talked about before when it
gets up to 4 cm there is a marked increased
risk of a rupture. 85% to 90% of abdominal
aortic aneurysms occur below the renal arteries
and aneurysms can be repaired surgically or
with angioplasty by using a stent placed by
a catheter. This is a very serious condition
and requires very careful monitoring.