Open AAA Flashcards
What is the mortality from open AAA repair?
3% (OVER)
What are anatomic indications for open AAA repair?
Neck - short, conical, angled, thrombus, ++ calcium Access - iliac occlusive disease CIA aneurysm + must maintain internal
What are indications for open AAA repair?
-Anatomic constraints not suitable for EVAR -EVAR conversion -Infection -Other: horseshoe kidney, bilateral internal iliac occlusion requiring patency of IMA
What interspace do you enter for retroperitoneal AAA repair?
10th
When would you use a retroperitoneal approach to AAA repair?
Superior exposure of SMA/celiac Redo laparotomy Obesity
When should you reimplant the IMA (4)?
SMA disease, bilateral internal iliac occlusion, large IMA, prior colectomy
What percentage of open AAA patients have periop complications?
10% MI 20% pneumonia 10 % renal dysfunction 5% colonic ischemia Limb ischemia <1% spinal cord ischemia DVT
How often should open AAA be followed post-op?
SVS guidelines states every 5 year surveillance imaging
What percentage of aortic aneurysms are inflammatory?
5%
What percentage of AAA are infected?
1%
What type of TAAA has the most risk of paralysis following repair?
Crawford type 2
What percentage of popliteal aneurysm patients have AAA? What about the other way around (AAA patients with pop aneurysms?)
60%, 15%
What is the 1 year risk of rupture of abdominal aortic aneurysms >7 cm?
>30%
What is the 1 year risk of rupture of abdominal aortic aneurysms 6-7 cm?
11-22%
What is the 1 year risk of rupture of abdominal aortic aneurysms 5-6 cm?
1-10%
What is the 1 year risk of rupture of abdominal aortic aneurysms 4-5 cm?
1%
What is the 1 year risk of rupture of abdominal aortic aneurysms 3-4 cm?
0.3%
