Page 35 - Virtual Vascular Vol 2 Sep 2020-f
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Type Ia endoleak between
graft and aorta
Type II endoleak from
patent lumbar arteries
AORTIC
STENT GRAFT
DELIVERY SYSTEMS
Modern aortic stent graft delivery systems comes
Endoleaks can occur after Endovascular repair of an AAA (EVAR) if anatomical in a long hyrophilic sheath which is introduced ei-
criteria was compromised. A Type I leak is an attachment leak between the ther percutaneously via the common femoral artery,
endograft and the aortic wall, generally considered risky and not acceptable. This or through a small groin incision. Modern delivery
patient has a large type Ia (Ia = proximal) endoleak at the aortic neck due to a short sheaths comes in sizes of 18-20Fr diameter.
landing zone. A Type II endoleak is a retrograde leak from the sidebranches into the
sac and usually considered less critical. This patient also has retrograde type II leaks
from the IMA and patent lumbar arteries.
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