Thoracic Endovascular Aneurysm Repair Flashcards Preview

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Flashcards in Thoracic Endovascular Aneurysm Repair Deck (15)
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1


What is TEVAR


Thoracic EndoVascular Aneurysm Repair

2


Indication for TEVAR on the descending aorta


width > 6 cm rapid enlargment > 0.5 cm in 6 mths

3


TEVAR is done under MAC or General?


GENERAL

4


Thoracic aorta is larger in diameter then the abdominal aorta so


larger stent grafts are used in the thoracic area the abdominal area

5


READ the section CONDUCT OF THE OPERATION at the bottom of page 1 in this article. too much info

6


What artery supplies T8-L1


Adamkiewicz artery

7


Stent seal zone is how long proximally and distally


20 mm

8


Endoleak what is it


The persistant flow in the aneurysmal sac following endovascular repair

9


Type I Endoleak


Involves the proxinal or idstal seal zone

10


Type II Endoleak

Due to retrograde flow form intercostal arteries  into the sac

11


Type III Endoleak

inadequate overlap and seal between modular components

12


Type IV Endoleak

Occurs due to porosity of the graft which is rare with current devices

13

Type V Endoleak

AKA Endotension is th continued expansion of the sac despite an identifiable leak

14


Device migration can occur  ____ mm caudally

>10mm

15


TEVAR is prefered to open surgical repair because of a decrease in ____?


morbitity compared to Open