Percurtaneous Interventions/Surgery

Question 1

This is the procedure when they insert the baloon into your artery and inflate it.

Answer 1

PTCA

Question 2

How soon do you see RE-stenosis after a PTCA?

Answer 2

6 months

Question 3

Which layer of the vessel undergoes hyperplasia to cause the restenosis at the site of the PTCA?

Answer 3

Neointima

Question 4

What is the % risk of an MI during the PTCA procedure?

Answer 4

<1.5%

Question 5

What is the % risk of mortality during the PTCA procedure?

Answer 5

<1%

Question 6

Under what condition should PCTA be used alone rather than with medical therapy?

Answer 6

If the Sx of angina are refractory to optimal medical therapy or if intolerable side effects develop

Question 7

What is the most commonly used vessel in a CABG?

Answer 7

Saphenous v.

Question 8

What if you wana use an artery? What is a common artery that’s used?

Answer 8

internal mammary artery from the subclavian

Question 9

What is the patency rate of the sapnehnous vein at 12 months and 10 years?

Answer 9

80% at 12, 50% at a year

Question 10

What is the patency rate of the internal mammary artery at 10 years?

Answer 10

90%

Question 11

Since the IMA has a better long-term patency when used as a graft, under which type of conditions is it a good reason to use it?

Answer 11

To perfuse sites of critical flow, such as the LAD

Question 12

True or False: PCI is better than CABG because it’s less invasive (shorter hospital stay) and is superior to pharmacological therapy for the relief of angina.

Answer 12

True

Question 13

Wait so when the hell do you use CABG? Which 2 types of patients require it?

Answer 13

Patients with >50% stenosis of the left main coronary artery and patients with multivessel diseases with REDUCED LV CONTRACTILE FXN