Renal Artery Stenosis Flashcards
1
Q
What is renal artery stenosis?
A
Narrowing of the renal arteries resulting in reduced renal perfusion
2
Q
What causes renal artery stenosis?
A
Elderly - Atherosclerosis
Young - Fibromuscular dysplasia
3
Q
How does RAS present?
A
- Worsening renal function usually after starting an ACE inhibitor
- Refractory HTN
- Pulmonary oedema with no cardiac dysfunction
4
Q
How is RAS investigated?
A
- U+Es
- Renal US
- Renal angio - gold standard
5
Q
A
6
Q
How is RAS managed?
A
- Control risk factors e.g. diabetes, HTN, cholesterol
- Transluminal angioplasty is definitive
