Week 4: Cardiovascular surgery

Question 1

How big is dilation to be considered an aneurysm?

Answer 1

2x normal

ectasia=1.5x normal growth

Question 2

What aortic dissections require surgery?

Answer 2

Type A ascending

Type B descending: only 3 reasons to operate–malperfusion, aortic rupture, persistent pain

Question 3

What is the latency period in aortic stenosis? What is mortality rate after being symptomatic?

Answer 3

Latency period in aortic stenosis

>10 years. Once symptomatic, 50% die within 2 years