Renovascular Disease

Question 0

What is the most common cause of renal artery stenosis?

Answer 0

Atherosclerosis.

Question 1

What is the prevalence of renovascular disease?

Answer 1

6.8 % of elderly Americans.
12% bilateral.
12% had complete occlusion.

Question 2

What is the primary trigger for screening and intervention in renovascular disease?

Answer 2

Hypertension.

Question 3

Risk factors for renal artery stenosis?

Answer 3

1- advanced age.
2- systolic hypertension.
3- low HDL.
4- CAD.
5- PVD.
6- dialysis.

Question 4

What is the most affected part of the renal artery?

Answer 4

The proximal part.

Question 5

What is the incidence of renal artery stenosis in patients with CAD?

Answer 5

15-20%.

Question 6

What are the hypertensive manifestations of renovascular disease?

Answer 6

1- chronic, severe hypertension refractory to medical management.
2- hypertensive emergencies with acute hypertension and target organ damage, including flash pulmonary edema, hypertensive encephalopathy, MI, and ARF.

Question 7

What are the risk factors for contrast induced nephropathy?

Answer 7

Patient factors:
1- DM.
2- CHF.
3- Anemia.
4- Shock.