Aneurysms

Question 1

How are popliteal and abdominal aneurysms linked?

Answer 1

10% of AAA will have a PA
50% of PA will have AAA
50% of PA are bilateral

Question 2

How can aneurysms cause pain?

Answer 2

Compress nearby structures

Question 3

What is arterial dissection?

Answer 3

Damage to intima of artery

media and adventitia contain bleed like a sponge

Question 4

What are causes and RFs of arterial dissection?

Answer 4

Iatrogenic
Traumatic
Spontaneous

Hypertension
Genetic
Connective tissue disorders
Eg Marfans, bicuspid aortic valve

Question 5

What are the different types of arterial dissection?

Answer 5

A = prior to brachiocephalic artery —> emergency surgery required - 95% mortality w/o surgery

B = post arch if aorta—> immediate BP control and preventative surgery - may lead to renal and gut ischaemia

Question 6

What are the S&S of arterial dissection?

Answer 6

Severe tearing chest pain
Radiates to the back
Similar to MI

Question 7

How is arterial dissection examined and managed?

Answer 7

Hx
Pulses + BP
Labs

Diagnostic = CTA