Type 1endoleak is a manifestation of a sealing failure
and is defined as a persistent blood flow within the aneurysm sac at the
attachment site. It is associated with a significant pressure increase in the
aneurysm sac and an increased risk of aneurysm rupture.
Treatment always should
be considered. Standard endovascular treatment includes the insertion of an
aortic cuff, which gives additional coverage more proximally, or placement of a
balloon-expandable stent inside the endograft to improve sealing. If it doesn’t
exist any additional landing zone, chimney or periscope grafts or visceral
artery bypass can be useful to extend landing zones. Transcatheter embolisation
with coils, glue and thrombin, N-butyl cyanoacrylate (BCA) or Onyx is rarely
performed to solve type I endoleaks. We describe a case of a patient who
underwent Onyx embolisation of a type 1 endoleak after failure of a chimney
graft. Read more>>>>>>>>>>>>>
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