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Open aortic surgery
Open aortic surgery
("OAS", also known as
Open aortic repair,
"OAR") describes a technique whereby an
abdominal
or
retroperitoneal
surgical incision is used to visualize and control the
aorta
for purposes of repair. OAS is used to treat
aneurysms
of the
abdominal
and
thoracic
aorta,
aortic dissection
,
acute aortic syndrome
, and
aortic ruptures
. In 2003, OAS was surpassed by
endovascular aneurysm repair
(EVAR) as the most common technique for repairing
abdominal aortic aneurysms
in the United States. In OAS for
abdominal aortic aneurysm
, the aneurysmal portion of the aorta is replaced with a
graft
, usually made of
dacron
or
PTFE
.
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